American Journal of Sports Science

Volume 2, Issue 6, December 2014

  • Correlations between Maximal Strength Tests at Different Squat Depths and Sprint Performance in Adolescent Soccer Players

    Michael Keiner, Andre Sander, Klaus Wirth, Hagen Hartmann, Dennis Yaghobi

    Issue: Volume 2, Issue 6-1, December 2014
    Pages: 1-7
    Received: Nov. 05, 2014
    Accepted: Nov. 17, 2014
    Published: Nov. 22, 2014
    DOI: 10.11648/j.ajss.s.2014020601.11
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    This article belongs to the Special Issue Science & Soccer
    Abstract: For track, field and team sports, many authors advise sport-specific strength training with half and quarter squats instead of parallel squats. Due to the sport-specific argument, higher correlations with sprint performance could be expected for half and quarter squats. Hence, correlations between sprint performance (30 m linear sprint) and both On... Show More
  • Differences in Loaded and Unloaded Vertical Jumping Ability and Sprinting Performance between Brazilian Elite Under-20 and Senior Soccer Players

    Irineu Loturco, Ronaldo Kobal, Saulo Gil, Bruno Pivetti, Katia Kitamura, Lucas A. Pereira, Cesar Cavinato Cal Abad, Fabio Yuzo Nakamura

    Issue: Volume 2, Issue 6-1, December 2014
    Pages: 8-13
    Received: Nov. 29, 2014
    Accepted: Dec. 02, 2014
    Published: Dec. 27, 2014
    DOI: 10.11648/j.ajss.s.2014020601.12
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    This article belongs to the Special Issue Science & Soccer
    Abstract: The aim of this study was to compare performance in sprint, change of direction speed, vertical jump and jump squat tests between elite soccer players from two different age categories (i.e., under-20 and senior players) from the same soccer club. Players performed sprints (average velocity at 5, 10 and 20 m), zig-zag change of direction speed (COD... Show More
  • Anthropometric Characteristic, Body Composition and Somatotype of Canadian Female Soccer Players

    Anup Adhikari, Jady Nugent

    Issue: Volume 2, Issue 6-1, December 2014
    Pages: 14-18
    Received: Dec. 02, 2014
    Accepted: Dec. 12, 2014
    Published: Jan. 27, 2015
    DOI: 10.11648/j.ajss.s.2014020601.13
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    This article belongs to the Special Issue Science & Soccer
    Abstract: Canadian female junior soccer players were evaluated for their anthropometrical characteristics including somatotype and body composition with a aim to evaluate with their international counterparts. 18 female soccer players with an average age of 16(±0.5) of a local club were assessed during their peak season time . Somatotype was assessed using H... Show More
  • A Study on Impact of Receiving Training on Football and Sprinting on Body Composition and Physical Fitness Status of Adolescent Males

    Neepa Banerjee, Sandipan Chatterjee, Surjani Chaterjee, Ayan Chatterjee, Satabdi Bhattacharjee, Tanaya Santra, Bijan Saha, Shankarashis Mukherjee, Indranil Manna

    Issue: Volume 2, Issue 6-1, December 2014
    Pages: 19-23
    Received: Feb. 06, 2015
    Accepted: Feb. 08, 2015
    Published: Mar. 05, 2015
    DOI: 10.11648/j.ajss.s.2014020601.14
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    This article belongs to the Special Issue Science & Soccer
    Abstract: Physical characteristics and body composition have been known to be fundamental to excellence in athletic performance. Specific athletic events require different body types and weights for maximal performance. Therefore determination of body constitution and fitness status of an athlete is very important for producing maximal performance. With grow... Show More
  • Sports Injuries with Special Reference to Soccer: Causes, Consequences and Prevention Strategies

    Surjani Chaterjee, Neepa Banerjee, Satabdi Bhattacharjee, Tanaya Santra, Ayan Chatterjee, Sandipan Chatterjee, Bijan Saha, Shankarashis Mukherjee, Indranil Manna

    Issue: Volume 2, Issue 6-1, December 2014
    Pages: 24-30
    Received: Feb. 06, 2015
    Accepted: Feb. 08, 2015
    Published: Mar. 05, 2015
    DOI: 10.11648/j.ajss.s.2014020601.15
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    This article belongs to the Special Issue Science & Soccer
    Abstract: Sports injury occurs during a sporting activity caused by overuse, direct impact, or the application of force that is greater than the body part can structurally withstand. Soccer is usually defined as a body contact outdoor game and therefore there is a chance of being injured by the opponents or due to not following proper playing rule or not usi... Show More