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  Subjects -> SPORTS AND GAMES (Total: 199 journals)
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Spor Bilimleri Dergisi / Hacettepe Journal of Sport Sciences
Number of Followers: 0  

  This is an Open Access Journal Open Access journal
ISSN (Print) 1300-3119
Published by Hacettepe University Homepage  [7 journals]
  • Assessment of diet quality and nutrition status of Turkish elite
           adolescent male soccer players

    • Authors: Murat URHAN; Hasan YILDIZ
      Abstract: This study aimed to assess the anthropometric characteristics, nutrient intake levels, nutritional status of elite adolescent soccer players, and the dietary quality of athletes. Elite male adolescent soccer players of the youth soccer team of a soccer club in the Turkish Super League were included in this study by categorizing them into three separate groups as U14/U15 (n=32), U16/U17 (n=44), and U19 (n=17). Anthropometric measurements of the athletes and food consumption records for three consecutive days were recorded during the competition season. Although the available energy value of the U14/U15 group was higher than the other groups, the available energy was determined to be at a suboptimal level in all groups. The U14/U15 group had the highest Health Eating Index-2015 score (43.7±5.57), while the score was 42.9±4.79 in the U19 group and 42.1±3.69 in the U16/U17 group (p>0.05), and 93.5% of the players were determined to be in the group with poor diet quality. The carbohydrate intake of adolescent soccer players was 5.3±1.16 g/kg body mass/day in the U14/U15 group, while it was 4.4 ± 0.87 g/kg body mass/day in the U16/U17 group, and 4.4±0.94 g/kg body mass/day in the U19 group. In this study, it was found out that adolescent football players had a poor diet quality, their carbohydrate consumption was inadequate, their fat intake level was high, and the protein intake was high in the U14/15 group whereas it was at the recommended levels in other groups. Providing recurrent nutritional training to adolescent football players and their families would assist athletes in gaining healthy eating habits as well as increasing their performance.
      PubDate: Thu, 14 Apr 2022 00:00:00 +030
  • Comparison of the Contributions of Knee and Hip Muscle Strength on Maximum
           Oxygen Consumption Parameters During Continuous and Constant Test

    • Authors: Nasuh Evrim ACAR; Gökhan UMUTLU
      Abstract: Preliminary VO2max verification testing allows to examine the reproducibility of comparable tests in the same participants and helps to verify whether neuromuscular performance is associated with VO2max during different testing conditions. The main purpose of this study was to compare VO2max values obtained using a graded treadmill and cycling protocols and to verify whether the results are also reproducible during the constant time to exhaustion testing protocols. The second rationale of the study was to characterize the contributions of hip and knee muscle strength during four different testing conditions, and to determine how these quantities change when altering the modality of exercise for a given exercise intensity. A repeated measures study design was used. A total of 20 healthy male participants (21.20±2.17 years) underwent preliminary VO2max testing sessions on treadmill and cycling ergometers with 24 h intervals. Isokinetic strength performance of hip and knee muscles was tested at 60o /sec angular velocity. A paired and independent sample t test was performed for inter group and intra group comparisons. Linear regression was applied to determine the percentage of variation in VO2max testing outputs during either testing modality explained by hip and knee muscle streng th parameters. Lower extremity strength characteristics of hip and knee were symmetric between the dominant and nondominant limb (p>0.05). VO2max and blood lactate concentration were significantly greater during constant testing protocols for either testi ng modalities (p<0.001). Hip muscle strength performance explained a greater variation in VO 2max parameters during incremental (cycling r2 =0.25, running r2 = 0.24) and constant (cycling r2 = 0.35, running r2 = 0.33) testing protocols for either testing modal ity compared to the contribution of knee muscle strength performance on VO2max parameters during incremental (cycling r2 = 0.17, running r2 = 0.17) and constant (cycling r2 = 0.23, running r2 = 0.18) testing protocols. The local muscular performance of the hip and knee muscles were strongly related with the changes in running and cycling mechanics and hip muscles had a greater contribution to the VO2max performance during constant protocols than knee muscles . In conclusion, the extent to which contribution of lower extremity muscles during VO2max testing relies more on the mode of the exercise rather than the type of the testing modality.
      PubDate: Thu, 14 Apr 2022 00:00:00 +030

      Abstract: This study aimed to determine the motor skill interventions for preschoolers in Turkey and to examine the findings of interventions. The literature review was conducted using the Turkish Academic Network and Information Center (ULAKBİM), Dergipark Academic, and EBSCOhost research databases. The following keywords were selected to find the related articles: early childhood, preschoolers, motor skill intervention, motor skill program, fundamental motor skills and their combinations. Studies were included if any motor skill program was instructed in the studies, if the participants were between ages 3 and 7, and if the interventions were applied in Turkey. Conference papers, thesis, or dissertations were not included in this study. Seventeen studies met the inclusion criteria. The review of these studies showed that a) a total of 1419 children between ages 3 and 7 participated in these intervention studies, a) the majority of participants were typical children, b) the pretest/posttest with control group design was generally used in the studies, c) the motor skill programs were delivered in 5, 8, 10, 12, 14, 16 weeks or 6 months, d) the independent variables were locomotor skills, object control skills, vision perception, balance, quickness, speed, coordination and others, e) only one study had retention test, and f) the studies generally reported that motor skill interventions were effective for their participants. However, there were unclear points in some studies. For example, it is not clear how the experimental groups were constituted or what type of instructional approaches and theoretical frameworks were used in the interventions, or who applied them. The number of participants in the experimental groups was low in some studies. The validity of the motor skill assessment tools and appropriateness of the statistical analyses in experimental studies were also other problematic issues in some studies. On the other hand, it is promising that different types of motor skill interventions exist and their contributions to motor development are valuable despite the low number of motor skill interventions. In conclusion, it is important to increase the quality and the quantity of the motor skill interventions for children’s motor skill development in Turkey.
      PubDate: Thu, 14 Apr 2022 00:00:00 +030
  • Sport Mental Health Continuum-Short Form: Turkish Adaptation and
           Psychometric Properties

    • Authors: Emre Ozan TİNGAZ
      Abstract: The aim of the present study is to adapt the Sport Mental Health Continuum-Short Form (Sport MHC-SF) into Turkish and to examine its psychometric properties. The research was carried out in three stages: the translation of the scale into Turkish, validity and reliability. As a result of the factor analysis performed with 254 (Mage=21.96, SD=4.49) student-athletes, the goodness of fit indices were appropriate. The Mental Health Continuum Short Form, which was included for the convergent validity study, was moderately positively correlated with Sport MHC-SF. The item-total correlations were moderate and strong, and the Spearman-Brown split-half correlation result was fairly high. Sport MHC-SF (α=.922), Sport Subjective Well-Being (α=.833), Sport Social Well Being (α=.857), and Sport Psychological Well-Being (α=.857) subscales demonstrated fairly high internal consistency. Two-weeks interval test-retest reliability showed that the scale was consistent over time. Consequently, Sport MHC-SF is a valid and reliable measurement tool, consisting of three subscales, Sport Subjective Well-Being, Sport Psychological Well-Being, and Sport Social Well-Being, and 14 items.
      PubDate: Thu, 14 Apr 2022 00:00:00 +030
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