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THE EFFECT OF SIX WEEKS TALENT DIAGNOSE SYSTEM (TDS) JUMP TRAINING ON MUSCLE REACTION TIME AFTER SURGICAL RECONSTRUCTION OF THE ACL
  1. Kim Jin Hong1,
  2. Oak Jung Sok2,
  3. Lee Dong Kyu3,
  4. Kim Byung Roh4,
  5. Yoo Moon Jib5,
  6. Seo Joong Bae5,
  7. Shin Yun-a6,
  8. Lee Hoseong6
  1. 1 Institute of Sports Medicine and Sports Science, In Je University, Gyeongnam, South Korea
  2. 2 Institute of Sports Science, Dankook University, Choongnam, South Korea
  3. 3 Department of Physical Education, Seoul National University of Education, Seoul, South Korea
  4. 4 Department of Physical Education, Changwon National University, Gyeongnam, South Korea
  5. 5 School of Medicine, Dankook University, Choongnam, South Korea
  6. 6 Graduate School of Sports Science, Dankook University, Choongnam, South Korea

Abstract

Background Neuromuscular training protocols that plyometrics, dynamic balance exercises, agility training, etc, can significantly improve biomechanics and neuromuscular performance and reduce anterior cruciate ligament (ACL) injury risk in athletes.1 2

Objective The purpose of this study was to investigate the effect of 6weeks TDS Jump training on muscle reaction time after surgical reconstruction of the ACL.

Methods Seven patients men 12 to 36 months following reconstructive ACL operation continuously participated TDS Jump training at seven sets of five times (7 sets×5 times=35 jumps), 3 days/week, for 6 weeks. Premotor reaction time (PRT) of vastus medialis (VM), vastus lateralis (VL), hamstring medialis (HM), and hamstring lateralis (HL) were recorded by electromyography through the examination sudden knee eversion stress. Two physical therapists evaluated each subject's performance ability using a talent diagnose system (TDS Jump).

Results PRT of all tested muscles were significantly decreased after both three and six weeks of TDS Jump training than at before training (p<.05). Grounding time (TDS Jump) of operated legs was significantly decreased after both three and six weeks of TDS Jump training than at before training (p<.05).

Conclusions These results demonstrated in the present that TDS Jump training could improve PRT and grounding time in operated legs. Therefore, suggested that TDS Jump training applying in not only an assessment of the neuromuscular function after reconstructive ACL operation but also training and rehabilitation.

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