Journal Cover Sports Medicine International Open
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  This is an Open Access Journal Open Access journal
   ISSN (Online) 2367-1890
   Published by Thieme Publishing Group Homepage  [185 journals]
  • Redox Changes in Amateur Race Car Drivers Before and After Racing

    • Authors: Bjugstad; Kimberly B., Gutowski, Paul, Pekarek, Jennifer, Bourg, Pamela, Mains, Charles W., Bar-Or, David
      Abstract: Despite the unique opportunity race car driving provides to study exercise in extreme conditions, the sport of racing is under-represented. A better understanding of how racing changes physiological measures combined with driver demographics may help reduce driver risks and expand the field of driver science. This study charted the changes in heart rate, body temperature, blood pressure, static oxidation reduction potential (sORP), and antioxidant capacity in drivers before and after racing (n=23). The interaction between racing and driver characteristics on physiological variables were evaluated. Heart rate, body temperature, and sORP were elevated after racing (P0.05). Elevated post-race sORP values were associated with higher pre-race systolic blood pressure and lower antioxidant capacity (P
      Citation: Sports Medicine International Open 2017; 1: E212-E219
      PubDate: 2017-11-09T00:00:00+0100
      DOI: 10.1055/s-0043-119065
      Issue No: Vol. 1, No. 06 (2017)
       
  • Validity and Reliability of the Apple Watch for Measuring Heart Rate
           During Exercise

    • Authors: Khushhal; Alaa, Nichols, Simon, Evans, Will, Gleadall-Siddall, Damien O., Page, Richard, O'Doherty, Alasdair F., Carroll, Sean, Ingle, Lee, Abt, Grant
      Abstract: We examined the validity and reliability of the Apple Watch heart rate sensor during and in recovery from exercise. Twenty-one males completed treadmill exercise while wearing two Apple Watches (left and right wrists) and a Polar S810i monitor (criterion). Exercise involved 5-min bouts of walking, jogging, and running at speeds of 4 km.h−1, 7 km.h−1, and 10 km.h−1, followed by 11 min of rest between bouts. At all exercise intensities the mean bias was trivial. There were very good correlations with the criterion during walking (L: r=0.97; R: r=0.97), but good (L: r=0.93; R: r=0.92) and poor/good (L: r=0.81; R: r=0.86) correlations during jogging and running. Standardised typical error of the estimate was small, moderate, and moderate to large. There were good correlations following walking, but poor correlations following jogging and running. The percentage of heart rates recorded reduced with increasing intensity but increased over time. Intra-device standardised typical errors decreased with intensity. Inter-device standardised typical errors were small to moderate with very good to nearly perfect intraclass correlations. The Apple Watch heart rate sensor has very good validity during walking but validity decreases with increasing intensity.
      Citation: Sports Medicine International Open 2017; 1: E206-E211
      PubDate: 2017-10-18T00:00:00+01:00
      DOI: 10.1055/s-0043-120195
      Issue No: Vol. 1, No. 06 (2017)
       
  • SIgA and Upper Respiratory Syndrome During a College Cross Country Season

    • Authors: Fahlman; Mariane M., Engels, Hermann J., Hall, Heather
      Abstract: We examined the changes in salivary immunoglobulin A (SIgA) and the incidence of upper respiratory syndrome (URS) throughout a college cross-country season as well as the acute effect of a VO2max test on SIgA. Subjects were 22 cross country athletes (XC) (20.7±0.3 years) and 23 matched controls (C) (20.4±0.2 years). Saliva samples were collected pre and post VO2max and at four training time points (August – November). Weekly logs indicating S&S of URS from which a total symptom score (TSS) was calculated were collected. There was a significant decrease in SIgA F(1,43)=10.742, p
      Citation: Sports Medicine International Open 2017; 1: E188-E194
      PubDate: 2017-10-09T00:00:00+01:00
      DOI: 10.1055/s-0043-119090
      Issue No: Vol. 1, No. 06 (2017)
       
  • The within-participant Correlation between s-RPE and Heart Rate in Youth
           Sport

    • Authors: Scantlebury; Sean, Till, Kevin, Atkinson, Greg, Sawczuk, Tom, Jones, Ben
      Abstract: The monitoring of training load is important to ensure athletes are adapting optimally to a training stimulus. Before quantification of training load can take place, coaches must be confident that the tools available are accurate. We aimed to quantify the within-participant correlation between the session rating of perceived exertion (s-RPE) and summated heart rate zone (sHRz) methods of monitoring internal training load. Training load (s-RPE and heart rate) data were collected for rugby, soccer and field hockey field-based training sessions over a 14-week in-season period. A total of 397 sessions were monitored (rugby n=170, soccer n=114 and field hockey n=113). Within-subject correlations between s-RPE and sHRz were quantified for each sport using a general linear model. Large correlations between s-RPE and the sHRz method were found for rugby (r=0.68; 95% CI 0.59–0.75) and field hockey (r=0.60; 95% CI 0.47–0.71) with a very large correlation found for soccer (r=0.72; 95% CI 0.62–0.80). No significant differences were found between the correlations for each sport. The very large and large correlations found between s-RPE and the sHRz methods support the use of s-RPE in quantifying internal training load in youth sport.
      Citation: Sports Medicine International Open 2017; 1: E195-E199
      PubDate: 2017-09-29T00:00:00+01:00
      DOI: 10.1055/s-0043-118650
      Issue No: Vol. 1, No. 06 (2017)
       
  • Intra-Articular Injections of Autologous Conditioned Serum to Treat Pain
           from Meniscal Lesions

    • Authors: Strümper; Rudolf
      Abstract: Routine use of biological therapies is in its early stages. Techniques involve stem cells, platelet preparations, recombinant growth factors and autologous conditioned serum, often combined with surgery. The objective of this case analysis was to document effects of intra-articular autologous conditioned serum injections in outpatients with knee pain associated with meniscal defects. Autologous conditioned serum was prepared from patients’ blood by centrifugal separation from cellular components using a specialized device (EOT®II, Orthokine). Outpatients (n=47) with heterogeneous knee meniscus lesions (76.6% traumatic knee injury) were injected once weekly (average 5.2 applications). Average age was 48.6 years (range 21–79). Oxford Knee Score and structural changes with the MRI Boston Leeds Osteoarthritis Knee Score were documented at baseline and 6 months. All analyses were performed retrospectively.In 83% patients, surgery was avoided during the 6-month observation period. Oxford Knee Score improved significantly from 29.1–44.3 (p
      Citation: Sports Medicine International Open 2017; 1: E200-E205
      PubDate: 2017-09-29T00:00:00+01:00
      DOI: 10.1055/s-0043-118625
      Issue No: Vol. 1, No. 06 (2017)
       
  • Mouthguard Use and Cardiopulmonary Capacity – A Systematic Review
           and Meta-Analysis

    • Authors: Caneppele; Taciana Marco Ferraz, Borges, Alessandra B., Pereira, Daniele Masterson, Fagundes, Alessandra Almeida, Fidalgo, Tatiane K. S., Maia, Luciane C.
      Abstract: This study aimed to perform a systematic review and meta-analysis of the literature to determine the effects of the use of mouthguards (MGs) on cardiopulmonary capacity in athletes (oxygen uptake: VO2 max, and minute ventilation: VE max). Seven electronic databases and reference lists of relevant papers were searched for randomized clinical trials (RCTs) that compared the cardiopulmonary capacity in athletes with and without the use of an MG. The risk of bias tool of the Cochrane Collaboration was used for quality assessment. Fourteen studies were included. For both the overall VO2 max and VE max analyses, significant differences were observed between the MG and no MG conditions, favoring no MG, which presented the highest VO2 max values (p=0.0001; 95% CI; –2.638 to –1.728) and the highest VE max values (p=0.0001; 95% CI; –4.103 to –1.354). When the results were analyzed separately for each subgroup (type of MG and place of use), the meta-analysis showed that the effect of the use of an MG on VO2 max and VE max was not significant when custom-made MGs were used. The use of an MG overall decreased VO2 max and VE max compared to the control. Nevertheless, custom-made MGs seem to have no effect on these parameters.
      Citation: Sports Medicine International Open 2017; 1: E172-E182
      PubDate: 2017-09-15T00:00:00+01:00
      DOI: 10.1055/s-0043-117599
      Issue No: Vol. 1, No. 05 (2017)
       
  • Does Intensive Soccer Playing During the Growth Period Lead to Leg Length
           Discrepancies'

    • Authors: Guer; Jean-Luc, Blanchard, Sylvain, Harnagea, Marta Catalina, Lopez, Eric, Behr, Michel
      Abstract: Leg length discrepancies (LLD) are a common reason for podiatry consultations and can affect up to 90% of the overall population. Furthermore, it is widely recognized that intensive participation in certain sports can alter bone development. The aim of this study is to explore any possible relation between playing soccer and the appearance or evolution of LLD, by means of a retrospective study based on the analysis of case reports of patients followed for foot or plantar troubles. Case reports were selected in the archives of a podiatric clinic for the period between 2002 and 2016 among patients who declared regular to intensive soccer playing, aged 13 years or more. LLD was detected in the vast majority of cases (95 cases out of 104). Pearson correlation coefficients were computed and revealed a strong correlation between the laterality of the kicking limb and that of the shorter leg. The shorter limb was on the side of the kicking leg in 96% of the cases when considering the players who began practice before the age of 13, and only 53% of the cases for others. Intensive soccer playing at a young age may encourage the appearance and evolution of a real LLD.
      Citation: Sports Medicine International Open 2017; 1: E183-E187
      PubDate: 2017-09-15T00:00:00+01:00
      DOI: 10.1055/s-0043-117600
      Issue No: Vol. 1, No. 05 (2017)
       
  • Is Vigorous Exercise Training Superior to Moderate for CVD Risk after
           Menopause'

    • Authors: Orri; Julia Constance, Hughes, Elizabeth M, Mistry, Deepa G., Scala, Antone H.
      Abstract: Postmenopausal women have an increased risk for cardiovascular disease through many factors, such as a sedentary lifestyle and reduced heart rate variability (HRV). Endurance training improves coronary risk but the role of exercise intensity is unclear. The purpose of this observational study was to evaluate the effects of moderate versus vigorous exercise on cardiovascular disease risk in postmenopausal women. Thirty-six postmenopausal women who self-reported training at moderate (3–5.9 METS; n=18; age 58.9±4.4yr) or vigorous intensities (>6 METS; n=18; age 59.7±5.2yr) participated. C-reactive protein (CRP), HRV, VO2max, and stress (Perceived Stress Survey, Menopause Rating Scale) were measured. Groups were compared using independent samples t-tests, and associations of exercise intensities with CRP and HRV were assessed using multiple regression. CRP, HRV, and VO2max were similar (p>0.05). Vigorous exercise had lower stress subscale scores (p
      Citation: Sports Medicine International Open 2017; 1: E166-E171
      PubDate: 2017-09-06T00:00:00+01:00
      DOI: 10.1055/s-0043-118094
      Issue No: Vol. 1, No. 05 (2017)
       
  • Does Physical Fatigue Affect Color Vision'

    • Authors: Tekavcic; Bor, Milić, Radoje Čedomir, Pompe, Manca Tekavcic
      Abstract: The purpose of this study was to establish whether physical fatigue affects color vision. Thirty healthy participants were included in the study (M:F=15:15), age 25.3±4.4 y, all professional or top amateur athletes. They were exhausted using the Wingate test (WT). Physical fatigue was determined by blood lactate level before the WT and 1, 3, 5, 7 and 10 min after. Color vision was evaluated using the Hardy-Rand-Rittler (HRR) and the Mollon-Reffin Minimalist (MRM) tests before the WT and 5, 10 and 30 min after. Five minutes after the WT 2/30 (6%) showed affected color vision in the protan axis and 25/30 (83%) in the tritan axis. Ten and 30 min after the WT all the participants showed normal color vision in both the deutan and protan axes, whereas 12/30 (40%) and 8/30 (26%), respectively, showed affected color vision in the tritan axis. A gender difference was observed in color vision deficiency and improvement, with female participants being affected more and longer. The study showed that intense physical effort affects color vision with the tritan axis being predominantly affected.
      Citation: Sports Medicine International Open 2017; 1: E153-E157
      PubDate: 2017-08-02T00:00:00+01:00
      DOI: 10.1055/s-0043-115378
      Issue No: Vol. 1, No. 05 (2017)
       
  • Upper Extremity Strength Imbalance after Mastectomy and the Effect of
           Resistance Training

    • Authors: Benton; Melissa J., Schlairet, Maura C.
      Abstract: The purpose of this non-randomized pre/post comparison trial was to explore the effect of resistance training (RT) on upper extremity strength imbalance in breast cancer survivors. Seventeen right-side dominant female breast cancer survivors (age: 58.2±2.7 years; BMI: 27.8±1.1 kg/m2) with right-sided (RSM) or left-sided (LSM) mastectomy completed strength testing (30-second arm curl) before and after an 8-week RT program. At baseline, LSM (n=8) had equal strength bilaterally (right=16.8±1.1 repetitions; left=16.4±1.4 repetitions), whereas RSM (n=9) had impaired strength on the right (16.7±1.3 repetitions) compared to the left (18.6±1.1 repetitions) side (p
      Citation: Sports Medicine International Open 2017; 1: E158-E163
      PubDate: 2017-08-02T00:00:00+01:00
      DOI: 10.1055/s-0043-115105
      Issue No: Vol. 1, No. 05 (2017)
       
 
 
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