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SPORTS MEDICINE (78 journals)

Showing 1 - 79 of 79 Journals sorted alphabetically
American Journal of Sports Medicine     Hybrid Journal   (Followers: 200)
American Journal of Sports Science and Medicine     Open Access   (Followers: 37)
Apunts. Medicina de l'Esport     Full-text available via subscription   (Followers: 1)
Asia-Pacific Journal of Sports Medicine, Arthroscopy, Rehabilitation and Technology     Open Access   (Followers: 8)
Asian Journal of Sports Medicine     Open Access   (Followers: 11)
B&G Bewegungstherapie und Gesundheitssport     Hybrid Journal   (Followers: 2)
Biomedical Human Kinetics     Open Access   (Followers: 10)
BMJ Open Sport & Exercise Medicine     Open Access   (Followers: 16)
British Journal of Sports Medicine     Hybrid Journal   (Followers: 72)
Case Studies in Sport and Exercise Psychology     Hybrid Journal   (Followers: 5)
Case Studies in Sport Management     Full-text available via subscription   (Followers: 7)
Ciencia y Deporte     Open Access   (Followers: 1)
Clinical Journal of Sport Medicine     Hybrid Journal   (Followers: 35)
Clinics in Sports Medicine     Full-text available via subscription   (Followers: 31)
Current Sports Medicine Reports     Full-text available via subscription   (Followers: 21)
European Journal of Sport Science     Hybrid Journal   (Followers: 59)
Exercise and Sport Sciences Reviews     Hybrid Journal   (Followers: 53)
German Journal of Exercise and Sport Research : Sportwissenschaft     Hybrid Journal   (Followers: 4)
International Journal of Athletic Therapy & Training     Hybrid Journal   (Followers: 15)
International Journal of Kinesiology and Sports Science     Open Access   (Followers: 17)
International Journal of Sport Nutrition & Exercise Metabolism     Hybrid Journal   (Followers: 81)
International Journal of Sports Medicine     Hybrid Journal   (Followers: 36)
International Journal of Sports Physiology and Performance     Hybrid Journal   (Followers: 20)
Journal of Aging and Physical Activity     Hybrid Journal   (Followers: 11)
Journal of Athletic Enhancement     Hybrid Journal   (Followers: 7)
Journal of Clinical Sport Psychology     Hybrid Journal   (Followers: 10)
Journal of Education, Health and Sport     Open Access   (Followers: 4)
Journal of Functional Morphology and Kinesiology     Open Access  
Journal of Human Kinetics     Open Access   (Followers: 16)
Journal of Imagery Research in Sport and Physical Activity     Hybrid Journal   (Followers: 8)
Journal of ISAKOS     Hybrid Journal  
Journal of Physical Education Health and Sport     Open Access   (Followers: 1)
Journal of Reconstructive Microsurgery Open     Open Access  
Journal of Science and Medicine in Sport     Full-text available via subscription   (Followers: 31)
Journal of Sport & Social Issues     Hybrid Journal   (Followers: 12)
Journal of Sport and Exercise Psychology     Hybrid Journal   (Followers: 22)
Journal of Sport Rehabilitation     Hybrid Journal   (Followers: 16)
Journal of Sports Medicine     Open Access   (Followers: 19)
Journal of Sports Science and Medicine     Open Access   (Followers: 23)
Journal of Sports Sciences     Hybrid Journal   (Followers: 37)
Journal of the International Society of Sports Nutrition     Open Access   (Followers: 58)
Medicine & Science in Sports & Exercise     Hybrid Journal   (Followers: 61)
Motor Control     Hybrid Journal   (Followers: 7)
OA Sports Medicine     Open Access   (Followers: 6)
Open Access Journal of Sports Medicine     Open Access   (Followers: 16)
Operative Techniques in Sports Medicine     Full-text available via subscription   (Followers: 1)
Physical Therapy in Sport     Hybrid Journal   (Followers: 42)
Physician and Sportsmedicine     Open Access   (Followers: 6)
Research in Sports Medicine: An International Journal     Hybrid Journal   (Followers: 11)
Revista Andaluza de Medicina del Deporte     Open Access   (Followers: 2)
Revista Brasileira de Cineantropometria & Desempenho Humano     Open Access   (Followers: 1)
Revista Brasileira de Medicina do Esporte     Open Access  
Revista del Pie y Tobillo     Open Access  
Saudi Journal of Sports Medicine     Open Access   (Followers: 2)
Scandinavian Journal of Medicine & Science In Sports     Hybrid Journal   (Followers: 27)
Science & Motricité     Full-text available via subscription   (Followers: 1)
Science & Sports     Full-text available via subscription   (Followers: 11)
Science and Medicine in Football     Hybrid Journal  
South African Journal of Sports Medicine     Open Access   (Followers: 8)
Spor Bilimleri Dergisi / Hacettepe Journal of Sport Sciences     Open Access  
Spor Hekimliği Dergisi / Turkish Journal of Sports Medicine     Open Access  
Spor ve Performans Araştırmaları Dergisi / Ondokuz Mayıs University Journal of Sports and Performance Researches     Open Access  
Sport Sciences for Health     Hybrid Journal   (Followers: 5)
Sport, Education and Society     Hybrid Journal   (Followers: 13)
Sport, Ethics and Philosophy     Hybrid Journal   (Followers: 3)
Sport, Exercise, and Performance Psychology     Full-text available via subscription   (Followers: 13)
Sport- und Präventivmedizin     Hybrid Journal   (Followers: 3)
Sportphysio     Hybrid Journal  
Sports Health: A Multidisciplinary Approach     Hybrid Journal   (Followers: 4)
Sports Medicine     Full-text available via subscription   (Followers: 34)
Sports Medicine - Open     Open Access   (Followers: 13)
Sports Medicine and Arthroscopy Review     Full-text available via subscription   (Followers: 9)
Sports Medicine and Health Science     Open Access  
Sports Medicine International Open     Open Access   (Followers: 2)
Sports Medicine, Arthroscopy, Rehabilitation, Therapy & Technology     Open Access   (Followers: 17)
Sportverletzung · Sportschaden     Hybrid Journal   (Followers: 2)
Sri Lankan Journal of Sports and Exercise Medicine     Open Access  
Translational Sports Medicine     Hybrid Journal  
Zeitschrift für Sportpsychologie     Hybrid Journal   (Followers: 2)
Similar Journals
Journal Cover
Clinical Journal of Sport Medicine
Journal Prestige (SJR): 0.999
Citation Impact (citeScore): 2
Number of Followers: 35  
  Hybrid Journal Hybrid journal (It can contain Open Access articles)
ISSN (Print) 1050-642X - ISSN (Online) 1536-3724
Published by LWW Wolters Kluwer Homepage  [299 journals]
  • Efficacy of Intra-Articular Polynucleotides Associated With Hyaluronic
           Acid Versus Hyaluronic Acid Alone in the Treatment of Knee Osteoarthritis:
           A Randomized, Double-Blind, Controlled Clinical Trial
    • Authors: Dallari; Dante; Sabbioni, Giacomo; Del Piccolo, Nicolandrea; Carubbi, Chiara; Veronesi, Francesca; Torricelli, Paola; Fini, Milena
      Abstract: imageObjective: Pain and range of motion loss are the main clinical features of osteoarthritis (OA). Hyaluronic acid (HA) is one of the infiltrative therapies for OA treatment; however, its effectiveness is a matter of an ongoing debate in clinical practice. Polynucleotides (PNs), a DNA-derived macromolecule with natural origin and trophic activity, were found to favor cell growth and collagen production, in preclinical and clinical studies regarding cartilage regeneration. This study aimed at evaluating whether injection of PNs, in combination with HA [PNs associated with HA (PNHA)], can ameliorate pain and function of knees affected by OA, more than HA alone.Design: A randomized, double-blind, controlled clinical trial.Patients: The study enrolled 100 patients, then randomized to receive PNHA or HA alone (3 weekly knee I.A. injections).Interventions and Main Outcome Measures: Pain reduction, decrease of proinflammatory synovial fluid (SF) factors, and improvement in knee function were evaluated by Knee Society Score and WOMAC scores, after 2, 6, and 12 months and by biochemical and immunoenzymatic analyses of SF at the end of the treatment.Results: Knee Society Score total score and pain item significantly ameliorated in both groups, showing better results in PNHA- than in the HA-treated group. A significant reduction in the WOMAC score was observed over time for both groups. No significant adverse events were reported in either group.Conclusions: These findings suggest that I.A. injection of PNs, in combination with HA, is more effective in improving knee function and pain, in a joint affected by OA, compared with HA alone.
      PubDate: Wed, 01 Jan 2020 00:00:00 GMT-
  • Oral Hypertonic Saline Is Effective in Reversing Acute Mild-to-Moderate
           Symptomatic Exercise-Associated Hyponatremia
    • Authors: Bridges; Eileen; Altherwi, Tawfeeq; Correa, José A.; Hew-Butler, Tamara
      Abstract: imageObjectives: To determine whether oral administration of 3% hypertonic saline (HTS) is as efficacious as intravenous (IV) 3% saline in reversing symptoms of mild-to-moderate symptomatic exercise-associated hyponatremia (EAH) in athletes during and after a long-distance triathlon.Design: Noninferiority, open-label, parallel-group, randomized control trial to IV or oral HTS. We used permuted block randomization with sealed envelopes, containing the word either “oral” or “IV.”Setting: Annual long-distance triathlon (3.8-km swim, 180-km bike, and 42-km run) at Mont-Tremblant, Quebec, Canada.Participants: Twenty race finishers with mild to moderately symptomatic EAH.Independent Variables: Age, sex, race finish time, and 9 clinical symptoms.Main Outcome Measures: Time from treatment to discharge.Methods: We successfully randomized 20 participants to receive either an oral (n = 11) or IV (n = 9) bolus of HTS. We performed venipuncture to measure serum sodium (Na) at presentation to the medical clinic and at time of symptom resolution after the intervention.Results: The average time from treatment to discharge was 75.8 minutes (SD 29.7) for the IV treatment group and 50.3 minutes (SD 26.8) for the oral treatment group (t test, P = 0.02). Serum Na before and after treatment was not significantly different in both groups. There was no difference on presentation between groups in age, sex, or race finish time, both groups presented with an average of 6 symptoms.Conclusions: Oral HTS is effective in reversing symptoms of mild-to-moderate hyponatremia in EAH.
      PubDate: Wed, 01 Jan 2020 00:00:00 GMT-
  • Novel Interventions for Recalcitrant Achilles Tendinopathy: Benefits Seen
           Following High-Volume Image-Guided Injection or Extracorporeal Shockwave
           Therapy—A Prospective Cohort Study
    • Authors: Wheeler; Patrick C.; Tattersall, Chloe
      Abstract: imageObjective: To compare the outcomes for patients with chronic noninsertional Achilles tendinopathy following extracorporeal shockwave therapy (ESWT) and high-volume image-guided injection (HVIGI).Design: Prospective cohort study.Setting: Hospital-based Sports Medicine Outpatient Clinic.Patients: Sixty-three consecutive patients with chronic noninsertional Achilles tendinopathy, treated with ESWT (n = 22) or HVIGI (n = 41), with minimum 3-month follow-up. Mean age was 51.2 years, and mean duration of symptoms was 27.8 months.Interventions: Patients received either 3 sessions of ESWT (1 session per week) or a single ultrasound-guided HVIGI (10 mL of 1% lidocaine and 40 mLs of sterile saline). All patients received standardized aftercare, including continuation of a structured home exercise program of flexibility and eccentric strengthening exercises.Main Outcome Measures: Zero to 10 visual analog scale (VAS) for self-reported “average pain” and “average stiffness” values. In addition, Victoria Institute of Sport—Achilles questionnaire, (VISA-A), and Manchester-Oxford Foot Questionnaire (MOXFQ).Results: This study demonstrated statistically significant improvements in self-reported measures of pain and stiffness following either procedure. At 3 months, VAS (pain) was improved from 6.74 ± 1.31 to 3.57 ± 2.37 (P < 0.001) following HVIGI and from 6.57 ± 1.61 to 4.35 ± 2.55 (P = 0.002) following ESWT. At 3 months, VISA-A improved from 35% ± 17% to 51% ± 22% (P < 0.001) following HVIGI and from 34% ± 15% to 49% ± 15% (P < 0.001) following ESWT. Statistically significant improvements were only recorded at 6 weeks for ESWT and at 3 months for HVIGI using MOXFQ. No statistically significant differences were seen between the groups at any period studied.Conclusions: Patients improved to statistically significant extent following either a HVIGI or ESWT procedure, with no significant differences seen between the groups. The small sample sizes in this pragmatic study are noted, which limit interpretation, and larger more robust studies are required to investigate this further.Clinical Relevance: This pragmatic prospective cohort study demonstrates improvements following either ESWT or HVIGI procedures, with no significant differences seen between the groups.
      PubDate: Wed, 01 Jan 2020 00:00:00 GMT-
  • Use of Pocket-Sized Ultrasound Device in the Diagnosis of Shoulder
    • Authors: Lau; Brian C.; Motamedi, Daria; Luke, Anthony
      Abstract: imageObjective: Musculoskeletal ultrasound imaging is increasingly being used for static and dynamic imaging of tendons, muscles, ligaments, and bones. New, hand-held, pocket-sized ultrasounds are more portable and affordable. The purpose of this study was to evaluate the feasibility of pocket-sized ultrasound to diagnose shoulder pathology.Design: Prospective cohort study.Setting: Tertiary Care Hospital.Methods: Ten consecutive patients (mean age 54; range 42-68 years) referred for a shoulder ultrasound for evaluation of shoulder pain were recruited. A diagnostic ultrasound was performed first with a pocket-sized ultrasound machine (VScan; General Electric, Northville, MI) and cine images saved for later review. Next, standard diagnostic ultrasound by a radiology technician specialized in musculoskeletal ultrasound was performed using (LOGIQ; General Electric, Northville, MI) ultrasound. The radiology report from the standard diagnostic ultrasound was used as the gold standard for diagnoses. Two independent evaluators, a musculoskeletal-trained radiologist and a sports-medicine–trained physician with over 8 years of experience with musculoskeletal ultrasound, reviewed the images from the pocket-sized ultrasound.Results: Nine of the studies were diagnosed with a pathologic entity during the standard diagnostic ultrasound and 1 was found to be normal. Diagnoses ranged from biceps tendinopathy, calcific tendonitis, and partial-articular–sided rotator cuff tear. Evaluator 1 correctly identified 7/10 diagnoses and evaluator 2 correctly identified 8/10 diagnoses. The evaluators also rated their confidence in diagnosis as 4.2/5 and the image quality as 3.7/4 from the pocket-sized ultrasound.Discussion: The findings from this study demonstrate that pocket-sized, hand-held ultrasound machines may be used to identify shoulder pathology.
      PubDate: Wed, 01 Jan 2020 00:00:00 GMT-
  • Changes on Tendon Stiffness and Clinical Outcomes in Athletes Are
           Associated With Patellar Tendinopathy After Eccentric Exercise
    • Authors: Lee; Wai-Chun; Ng, Gabriel Yin-Fat; Zhang, Zhi-Jie; Malliaras, Peter; Masci, Lorenzo; Fu, Siu-Ngor
      Abstract: imageObjective: Eccentric exercise is commonly used as a form of loading exercise for individuals with patellar tendinopathy. This study investigated the change of mechanical properties and clinical outcomes and their interrelationships after a 12-week single-legged decline-board exercise with and without extracorporeal shockwave therapy (ESWT).Design: Randomized controlled trial.Setting: Outpatient clinic of a university.Participants: Thirty-four male in-season athletes with patellar tendinopathy for more than 3 months were randomized into exercise and combined groups.Interventions: The exercise group received a 12-week single-legged decline-squat exercise, and the combined group performed an identical exercise program in addition to a weekly session of ESWT in the initial 6 weeks.Main Outcome Measures: Tendon stiffness and strain were examined using ultrasonography and dynamometry. Visual analog scale and Victoria Institute of Sports Assessment-patella (VISA-p) score were used to assess pain and dysfunction. These parameters were measured at preintervention and postintervention.Results: Significant time effect but no significant group effect on the outcome measures; significant reduction in tendon stiffness (P = 0.02) and increase in tendon strain (P = 0.00); and reduction of intensity of pain (P = 0.00) and dysfunction (P = 0.00) were observed. Significant correlations between changes in tendon stiffness and VISA-p score (ρ = −0.58, P = 0.05); alteration in tendon strain, pain intensity (ρ = −0.63, P = 0.03); and VISA-p score (ρ = 0.60, P = 0.04) were detected after the exercise program.Conclusions: Eccentric exercise-induced modulation on tendon mechanical properties and clinical symptoms are associated in athletes with patellar tendinopathy.
      PubDate: Wed, 01 Jan 2020 00:00:00 GMT-
  • Spinal Cord Injury Impairs Cardiovascular Capacity in Elite Wheelchair
           Rugby Athletes
    • Authors: Gee; Cameron M.; Currie, Katharine D.; Phillips, Aaron A.; Squair, Jordan W.; Krassioukov, Andrei V.
      Abstract: imageObjective: To examine differences in heart rate (HR) responses during international wheelchair rugby competition between athletes with and without a cervical spinal cord injury (SCI) and across standardized sport classifications.Design: Observational study.Setting: The 2015 Parapan American Games wheelchair rugby competition.Participants: Forty-three male athletes (31 ± 8 years) with a cervical SCI (n = 32) or tetraequivalent impairment (non-SCI, n = 11).Main Outcome Measures: Average and peak HR (HRavg and HRpeak, respectively). To characterize HR responses in accordance with an athletes' International Wheelchair Rugby Federation (IWRF) classification, we separated athletes into 3 groups: group I (IWRF classification 0.5-1.5, n = 15); group II (IWRF classification 2.0, n = 15); and group III (IWRF classification 2.5-3.5, n = 13).Results: Athletes with SCI had lower HRavg (111 ± 14 bpm vs 155 ± 13 bpm) and HRpeak (133 ± 12 bpm vs 178 ± 13 bpm) compared with non-SCI (both P < 0.001). Average HR was higher in group III than in I (136 ± 25 bpm vs 115 ± 20 bpm, P = 0.045); however, SCI athletes showed no difference in HRavg or HRpeak between groups. Within group III, SCI athletes had lower HRavg (115 ± 6 bpm vs 160 ± 8 bpm) and HRpeak (135 ± 11 bpm vs 183 ± 11 bpm) than non-SCI athletes (both P < 0.001).Conclusions: This study is the first to demonstrate attenuated HR responses during competition in SCI compared with non-SCI athletes, likely due to injury to spinal autonomic pathways. Among athletes with SCI, IWRF classification was not related to differences in HR. Specific assessment of autonomic function after SCI may be able to predict HR during competition and consideration of autonomic impairments may improve the classification process.
      PubDate: Wed, 01 Jan 2020 00:00:00 GMT-
  • Hamstring Muscle Injury Prediction by Isokinetic Ratios Depends on the
           Method Used
    • Authors: Dauty; Marc; Menu, Pierre; Fouasson-Chailloux, Alban
      Abstract: imageObjectives: Hamstring muscle injury prediction by isokinetic strength ratios is low but could result from the method—depending either on the use of the limbs or of the sportsmen as references. We aimed to establish a predictive model including unilateral and bilateral ratios calculated from the dominant, nondominant, right, and left limb in injured and uninjured professional soccer players.Design: Cohort study.Setting: Soccer team of the French Professional Premier League.Patients: Ninety-one professional soccer players.Interventions: Isokinetic muscle strength was prospectively measured at the beginning of 5 consecutive seasons (2009-2014).Main Outcome Measures: Several bilateral, conventional, and functional ratios were calculated from isokinetic measurements at different angular speeds (60 and 240 degrees/s in concentric mode and 30 degrees/s in eccentric mode). Thirty-one soccer players had a hamstring injury during the seasons and were compared with 60 uninjured players. Four models were tested to predict the occurrence of hamstring injury from isokinetic ratios calculated in accordance with the dominant, nondominant, right, and left limb.Results: No predictive model was found when ratios were calculated from the dominant or the right limb. Two models of prediction were found when ratios were calculated from the nondominant or the left limb. In these 2 models, only the bilateral concentric hamstring-to-hamstring ratio at 60 degrees/s was predictive. The best prediction was found with the left limb.Conclusions: We identified 2 low predictive models for hamstring muscle injuries depending on the limbs studied. Because of a low prediction, the consensual method used to predict hamstring muscle injury must be defined in future studies.
      PubDate: Wed, 01 Jan 2020 00:00:00 GMT-
  • Is There Any Association Between Foot Posture and Lower Limb–Related
           Injuries in Professional Male Basketball Players' A Cross-Sectional
    • Authors: Lopezosa-Reca; Eva; Gijon-Nogueron, Gabriel; Morales-Asencio, Jose Miguel; Cervera-Marin, Jose Antonio; Luque-Suarez, Alejandro
      Abstract: imageBackground: Several studies have shown that foot posture is related to the incidence of ankle sprains in athletes and in nonathletic populations, but this association has not previously been considered in basketball players. This study investigates the relationship between foot posture and lower limb injuries in elite basketball players.Design and Method: Two hundred twenty participants were recruited as a convenience sample. The players had a mean age of 22.51 ± 3.88 years and a body mass index of 23.98 ± 1.80. The players' medical records were accessed from the preceding 10 years, and injuries were recorded according to their location (knee, foot, and/or ankle). In addition, the Foot Posture Index (FPI) was scored for each player, and their playing positions were noted.Results: An average FPI score of 2.66 was obtained across all players, with guards presenting a significantly lower average FPI of −0.48 (P < 0.001) compared with the rest of playing positions, indicating a more supinated foot. However, center players presented an average FPI of 5.15 (P < 0.001), indicating a more pronated foot. The most common injuries observed were lateral ankle sprain (n = 214) and patellar tendinopathy (n = 126). Patellar tendinopathy was more common in supinated feet (30.08%) compared with 20.7% and 19.8% in pronated and neutral feet, respectively.Conclusions: The most common lower limb injuries observed in basketball players were lateral ankle sprain and patellar tendinopathy. Patellar tendinopathy was more commonly associated with the supinated feet. Guard players tended to have a more supinated foot, whereas centers presented a more pronated foot.
      PubDate: Wed, 01 Jan 2020 00:00:00 GMT-
  • ImPACT Normative Data of Ethnically Diverse Adolescent Athletes
    • Authors: Tsushima; William T.; Tsushima, Vincent G.; Murata, Nathan M.
      Abstract: imageObjective: The aim of this research was to develop preliminary norms for the Immediate Post-Concussion Assessment and Cognitive Testing (ImPACT) administered to a large sample of adolescent athletes from diverse ethnic backgrounds.Design: A retrospective records review.Setting: Middle and high school athletic departments.Participants: A total of 5741 male and female adolescent athletes in Hawaii, aged 13 to 18 years, in grades 9 to 12 were included in the study.Independent Variables: Age, sex, ethnicity, and sport.Main Outcome Measures: ImPACT Composite scores (Verbal Memory, Visual Memory, Visual Motor Speed, Reaction Time, and Impulse Control) and Total Symptom score from baseline testing.Results: The results indicated statistically significant differences between age and sex groups, as well as between ethnic and sport groups.Conclusions: The findings support the continued use of stratified norms for age and sex for ethnically diverse adolescent athletes. Comparisons of ethnic and sport groups deserve further investigation. When baseline scores are not available for postconcussion comparison, present observations tentatively support the cautious use of standard ImPACT norms with ethnically diverse athletes.
      PubDate: Wed, 01 Jan 2020 00:00:00 GMT-
  • Risk Factors for Lower-Extremity Injuries Among Contemporary Dance
    • Authors: van Seters; Christine; van Rijn, Rogier M.; van Middelkoop, Marienke; Stubbe, Janine H.
      Abstract: imageObjective: To determine whether student characteristics, lower-extremity kinematics, and strength are risk factors for sustaining lower-extremity injuries in preprofessional contemporary dancers.Design: Prospective cohort study.Setting: Codarts University of the Arts.Patients: Forty-five first-year students of Bachelor Dance and Bachelor Dance Teacher.Assessment of Risk Factors: At the beginning of the academic year, the injury history (only lower-extremity) and student characteristics (age, sex, educational program) were assessed using a questionnaire. Besides, lower-extremity kinematics [single-leg squat (SLS)], strength (countermovement jump) and height and weight (body mass index) were measured during a physical performance test.Main Outcome Measures: Substantial lower-extremity injuries during the academic year were defined as any problems leading to moderate or severe reductions in training volume or in performance, or complete inability to participate in dance at least once during follow-up as measured with the Oslo Sports Trauma Research Center (OSTRC) Questionnaire on Health Problems. Injuries were recorded on a monthly basis using a questionnaire. Analyses on leg-level were performed using generalized estimating equations to test the associations between substantial lower-extremity injuries and potential risk factors.Results: The 1-year incidence of lower-extremity injuries was 82.2%. Of these, 51.4% was a substantial lower-extremity injury. Multivariate analyses identified that ankle dorsiflexion during the SLS (OR 1.25; 95% confidence interval, 1.03-1.52) was a risk factor for a substantial lower-extremity injury.Conclusions: The findings indicate that contemporary dance students are at high risk for lower-extremity injuries. Therefore, the identified risk factor (ankle dorsiflexion) should be considered for prevention purposes.
      PubDate: Wed, 01 Jan 2020 00:00:00 GMT-
  • Musculoskeletal Injury in Paddle Sport Athletes
    • Authors: Griffin; Andrew R.; Perriman, Diana M.; Neeman, Teresa M.; Smith, Paul N.
      Abstract: imageIntroduction: Kayak racing has been an Olympic sport since 1936. The sport is evolving with the introduction of ocean skis and stand-up-paddle boards (SUP). Musculoskeletal injury incidence surveys have been conducted for ultra-marathon events, but no data have been published for other racing formats.Objective: To identify and compare the rates and types of injuries sustained by paddling athletes as a function of discipline and training parameters in Sprint, Marathon, Ultra-Marathon, and Ocean events.Methods: Competitors from 6 kayak and/or ocean surf-ski races in Australia were surveyed. Before each race, competitors were asked to complete a questionnaire. The questionnaire investigated paddling-related injuries over the previous 5 years, athlete morphology, flexibility, equipment and its setup, training volume, and environment.Results: Five hundred eighty-three competitors were surveyed. Disciplines included 173 racing-kayak (K1), 202 touring-kayak, 146 ocean-skis, 42 SUP, and 20 other. The top 5 paddling-related injuries were shoulder (31%), low back (23.5%), wrist (16.5%), neck (13.7%), and elbow (11.0%). The highest percentage of injury was found in K1 paddlers for shoulder (40.5%), SUP for low back (33.3%), and ocean-ski for wrist (22.6%). After controlling for on-water training hours, the relative risk (RR) of wrist injury was significantly increased in ocean-ski paddlers (1.86) and in paddlers with decreased flexibility (1.53-1.83). Relative risk of shoulder and low-back injury was significantly increased in athletes with lower training volumes (1.82-2.07). Younger athletes had lower RR of wrist and shoulder injury (0.58-0.62).
      PubDate: Wed, 01 Jan 2020 00:00:00 GMT-
  • How Useful Is the Flexion–Adduction–Internal Rotation Test for
           Diagnosing Femoroacetabular Impingement: A Systematic Review
    • Authors: Shanmugaraj; Ajaykumar; Shell, Jaymee R.; Horner, Nolan S.; Duong, Andrew; Simunovic, Nicole; Uchida, Soshi; Ayeni, Olufemi R.
      Abstract: imageObjective: Clinicians use the flexion, adduction, and internal rotation (FADIR) test in the diagnosis of femoroacetabular impingement (FAI). However, the diagnostic utility of this test remains unclear. The purpose of this review was to determine the utility of the FADIR test in diagnosing FAI.Data Sources: MEDLINE, EMBASE, and PubMed were searched using relevant key terms and study screening was performed in duplicate. Patient demographics, diagnostic imaging, and summary measures (eg sensitivity, specificity, etc.) of the FADIR test in patients with FAI were recorded.Main Results: Eight studies of levels III (87.5%) and IV (12.5%) evidence were included. Four hundred fifty-two patients (622 hips) with a mean age of 27.0 ± 9.0 were examined. Alpha (75.1%) and/or center-edge (26.8%) angles were used to diagnose hips with FAI. X-ray (78.9%), magnetic resonance imaging (MRI) (16.2%), and computed tomography (CT) (4.8%) were used to confirm the diagnosis of FAI. The sensitivity when confirmed by x-ray, MRI, or CT was 0.08 to 1, 0.33 to 1 and 0.90, respectively. The specificity when confirmed by x-ray and MRI was 0.11 and 1, respectively.Conclusions: Although the overall utility of the FADIR test in diagnosing FAI remains unclear given its moderate sensitivity and specificity, it may be a useful screening tool for FAI because of its low risk. Clinicians should consider the variability in sensitivity and specificity values reported and the low quality of literature available. Future studies should use large sample sizes and consistent radiographic measurements to better understand the usefulness of this physical examination maneuver in diagnosing FAI.Level of Evidence: Level IV, Systematic Review of Level III and IV studies.
      PubDate: Wed, 01 Jan 2020 00:00:00 GMT-
  • Update on the Role of Actovegin in Musculoskeletal Medicine: A Review of
           the Past 10 Years
    • Authors: Brock; James; Golding, David; Smith, Paul M.; Nokes, Len; Kwan, Alvin; Lee, Paul Y. F.
      Abstract: imageBackground: Actovegin is a biological drug with a controversial history of use in the treatment of sports injuries during the past 60 years. Particular concerns have been raised about its ergogenic potential to enhance performance, but some of these have been based on little more than anecdote.Objectives: In this article, we review the most recent scientific evidence to determine the clinical efficacy, safety profile, and legal status of Actovegin.Methods: We considered all studies directly commenting on experience with Actovegin use as the primary intervention within the past 10 years. Outcomes included mechanisms of action, clinical efficacy in enhancing muscle repair, any report of safety issues, and any evidence for ergogenic effect.Results: Our database search returned 212 articles, abstracts were screened, and after inclusion/exclusion criteria were applied, 25 articles were considered: Publications included 11 primary research articles (7 in vitro studies and 4 clinical trials), 8 review articles, 5 editorials, and a single case report.Conclusions: Current literature is still yet to define the active compound(s) of Actovegin, but suggests that it shows antioxidant and antiapoptotic properties, and may also upregulate macrophage responses central to muscle repair. Clinical efficacy was supported by one new original research article, and the use of Actovegin to treat muscle injuries remains safe and supported. Two articles argued the ergogenic effect of Actovegin, but in vitro findings did not to translate to the outcomes of a clinical trial. An adequate and meaningful scientific approach remains difficult in a field where there is immense pressure to deliver cutting-edge therapies.
      PubDate: Wed, 01 Jan 2020 00:00:00 GMT-
  • Pseudonormalization of the Typical Electrocardiography Repolarization
           Pattern of a Black Athlete
    • Authors: Dehghani Mohammadabadi; Mina; Chan, Winnie; Antiperovitch, Pavel; Abdirahman, Ifrah; Glover, Benedict; Baranchuk, Adrian
      Abstract: imageAbstract: Cardiac repolarization of black athletes has a distinctive pattern. During an episode of pericarditis, this pattern may evolve into a “pseudonormalized” electrocardiography (ECG). On resolution of the pericardial inflammation, the ECG may return to the normal variant for a black athlete, sounding the alarms of extended disease to the myocardium. Recognizing the normal variant for a black athlete will reduce the need for unnecessary further testing or treatments. The case is discussed in detail.
      PubDate: Wed, 01 Jan 2020 00:00:00 GMT-
  • Total Disc Replacement Surgery in a Professional Australian Rugby League
           Player: A Case Report
    • Authors: Gan; Thomas; Rickenbach, Andre; Scott-Young, Matthew
      Abstract: imageAbstract: Chronic persistent lower back pain due to degenerative disc disease (DDD) of the lumbar spine is a common condition in the athletic population, which does not always improve with nonoperative treatment. We present a case report of a professional Australian rugby league player with DDD of the lumbar spine presenting with persistent lower back pain, which was not responding to conventional nonsurgical treatment. He then underwent a surgical total disc replacement of the lumbar spine and was subsequently able to return to playing professional rugby league at his previous level of competition. This is the only known documented case of a professional athlete in any form of contact sport successfully returning to his previous level of function and competition after undergoing a total disc replacement of the lumbar spine.
      PubDate: Wed, 01 Jan 2020 00:00:00 GMT-
  • Catastrophic Return to Play in Rugby After Double Cervical Arthrodesis
    • Authors: Brauge; David; Sol, Jean C.; Djidjeli, Imène; Roux, Franck E.
      Abstract: imageAbstract: For high-level athletes, most experts consider that 1-level arthrodesis in cervical spine surgery does not prevent return to play. Nevertheless, return remains controversial in cases of 2-level fusions. We report the case of a 27-year-old professional rugby player. He had had a double cervical fusion C5C6 and C6C7 for cervical hernia and was allowed to continue rugby activities afterward. Four years after this surgery, his neck was forced in hyperflexion during a match and complete tetraplegia occurred. A computed tomography scan showed a C3C4 unilateral facet dislocation. The patient was rapidly operated on. At follow-up, 2 years after the accident, the patient remained tetraplegic with no neurologic improvement. If no definitive conclusion can be established on this first observation, many precautions must be taken before a return-to-play decision, especially in contact sports.
      PubDate: Wed, 01 Jan 2020 00:00:00 GMT-
  • Diagnosis and Successful Management of an Unusual Presentation of Chronic
           Foot Pain Using Positron Emission Tomography/Magnetic Resonance Imaging
           and a Simple Surgical Procedure
    • Authors: Cipriano; Peter William; Yoon, Daehyun; Holley, Dawn; Hargreaves, Brian Andrew; Carroll, Ian Richard; Curtin, Catherine Mills; Biswal, Sandip
      Abstract: imageAbstract: A 61-year-old man presented with chronic dorsal foot pain of 9 years that worsened with ambulation. Conventional diagnostic imaging and medical workup were unrevealing, and ankle arthrodesis had been recommended by an orthopedic surgeon for pain relief. Instead, the patient participated in a clinical imaging trial designed for identifying pain generators using whole-body fluorodeoxyglucose (18F-FDG) positron emission tomography/magnetic resonance imaging (PET/MRI). The scan revealed not only high 18F-FDG uptake at the site of pain, but also a hematoma and an inflamed, fibrotic, ruptured plantaris muscle. The fibrotic plantaris likely altered biomechanics with walking, explaining why symptoms worsened with activity. A simple tenotomy of the plantaris tendon was performed to decouple ankle movement from the plantaris injury, resulting in pain relief. This case illustrates the potential of whole-body 18F-FDG PET/MRI to better localize pain generators.
      PubDate: Wed, 01 Jan 2020 00:00:00 GMT-
  • Ultrasound-Guided Cubital Tunnel Decompression in a Collegiate Swimmer: A
           Case Report
    • Authors: Boettcher; Brennan J.; Finnoff, Jonathan T.
      Abstract: imageAbstract: A 19-year-old female collegiate swimmer presented to our sports medicine clinic with a history and physical examination consistent with right ulnar neuropathy at the cubital tunnel. Diagnostic ultrasound (US) revealed compression of the ulnar nerve under the cubital tunnel retinaculum (CTR) with nerve swelling proximal to the site of compression. Electrodiagnostic studies confirmed the diagnosis of a moderate to severe ulnar neuropathy at the elbow. Treatment consisted of an US-guided decompression of the ulnar nerve in the cubital tunnel by cutting the CTR using a rotated stylet “v” cutting technique. The patient's symptoms resolved, and she was able to begin a swimming progression 2 weeks after the procedure. After completion of this progression, she was able to successfully resume full, unrestricted competitive collegiate swimming without return of her symptoms. To the best of our knowledge, this is the first description of an US-guided cubital tunnel decompression surgery.
      PubDate: Wed, 01 Jan 2020 00:00:00 GMT-
  • Heterotrophic Ossification in Patient With Prosthetic Leg
    • Authors: Milburn; Nate; Yap, Lori; Raval, Gargi
      Abstract: imageAbstract: Heterotrophic ossification (HO) is a well-described phenomenon in patients with spinal cord injury, head injury, burns, hip replacement, and general trauma. However, it has also been described through a relative paucity of case reports that repeated microtrauma from the use of weight-bearing leg prostheses is an additional possible cause of HO. In our case, we examine a patient who developed an extreme case of HO after he began an exercise regimen with assistance from a running limb. This abnormal formation was actually advantageous because it created a more snug fit of the prosthetic device and improved the patient's ability to run.
      PubDate: Wed, 01 Jan 2020 00:00:00 GMT-
  • Rupture of the Patellar Tendon After Platelet-Rich Plasma Treatment: A
           Case Report
    • Authors: Redler; Andrea; Proietti, Lorenzo; Mazza, Daniele; Koverech, Guido; Vadala, Antonio; De Carli, Angelo; Ferretti, Andrea
      Abstract: imageIntroduction: Rupture of the patellar tendon is becoming more and more frequent, even in sports activities overloading the extensor mechanism of the knee. Platelet-rich plasma (PRP) treatment has been recently introduced in treatment for several knee- and sport-related injuries including muscle strain cartilage defect and tendinopathies. The aim of this case report is to present a case of rupture of the patellar tendon occurred after injections of PRP.Case Report: A case of a 40-year-old male soccer player sustaining a patellar tendon rupture after a series of 4 PRP injections. At surgery, a complete rupture in the middle of the patellar tendon was found, with severe degenerative changes of the tendon tissue. This case questions the actual efficacy and safety of PRP in severe degenerative tendinopathies.
      PubDate: Wed, 01 Jan 2020 00:00:00 GMT-
  • Ruptured Extensor Pollicis Longus Tendon After a Nondisplaced Distal
           Radius Fracture in a Young Adult Soccer Player
    • Authors: Bogart; Robert; Vidlock, Kathryn
      Abstract: imageAbstract: Forearm fractures of the distal radius are one of the most common fractures seen in the upper extremity, and they represent approximately 1/6 of fractures treated in the emergency department. Forearm fractures are associated with a rare but known complication of a delayed ruptured extensor pollicis longus (EPL) tendon. This sequela is more commonly seen in adults after a nondisplaced distal radius fracture, with much variability in the incidence ranging from 0.07% to 5%. By contrast, this complication in the pediatric population is almost exclusively seen after a displaced or unstable fracture necessitating surgical correction with open reduction and internal fixation.
      PubDate: Wed, 01 Jan 2020 00:00:00 GMT-
  • In Response to: Influence and Reliability of Different Correction Formulas
           on QTc Calculation
    • Authors: Gervasi; Salvatore F.; Bianco, Massimiliano; Palmieri, Vincenzo; Cuccaro, Francesco; Zeppilli, Paolo
      Abstract: No abstract available
      PubDate: Wed, 01 Jan 2020 00:00:00 GMT-
School of Mathematical and Computer Sciences
Heriot-Watt University
Edinburgh, EH14 4AS, UK
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