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ULTIMO FASCICOLOTHE JOURNAL OF SPORTS MEDICINE AND PHYSICAL FITNESS

Rivista di Medicina, Traumatologia e Psicologia dello Sport


Indexed/Abstracted in: Chemical Abstracts, CINAHL, Current Contents/Clinical Medicine, EMBASE, PubMed/MEDLINE, Science Citation Index Expanded (SciSearch), Scopus
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The Journal of Sports Medicine and Physical Fitness 2010 Settembre;50(3):262-7

PHYSIOLOGY AND BIOMECHANICS 

 ORIGINAL ARTICLES

The effect of 6-week combined agility-balance training on neuromuscular performance in basketball players

Zemková E., Hamar D.

Department of Sports Kinanthropology, Faculty of Physical Education and Sport, Comenius University
Bratislava, Slovakia

AIM: The study evaluates the effect of 6-week combined agility-balance training on neuromuscular performance in basketball players.
METHODS: Subjects divided into experimental (EG, n = 17) and control group (CG, n = 17) underwent a combined agility-balance training (in duration of 30 min) for a period of 6 weeks (4-5 sessions/week). Both groups performed reaction tasks similar to game-like situations, however EG on wobble boards and CG on stable surface. Prior to and after the training parameters of agility, balance, speed of step initiation, strength differentiation accuracy, and explosive power of lower limbs were evaluated. Postural stability was assessed under both static and dynamic conditions (wobble board) with eyes open and eyes closed, respectively. The velocity of the centre of pressure (COP) was registered at 100 Hz by means of posturography system FiTRO Sway check based on dynamometric platform. Using FiTRO Reaction check simple and multi-choice reaction times were measured. The same system was applied to evaluate the agility performance including reaction and movement task. Speed of step initiation was measured using FiTRO Dyne Premium. Jumping abilities were evaluated by means of FiTRO Jumper (10-seconds maximal jumps, Countermovement jump, Squat jump, Drop jump). Using the same system, the subject´s ability to match 50 % of their maximal height of the jump was evaluated.
RESULTS: Results showed that a combined agility-balance training improved dynamic balance not only under visual control but also in eyes closed conditions. Training also increased run-out speed that likely contributed to better agility performance, reduced ground contact time during drop jump, and improved the ability to differentiate the force of muscle contraction during repeated jumps. However, such training has been found to be insufficient to improve both simple and multi-choice reaction time, and jumping performance. On the other hand, control group failed to show any significant improvement in examined abilities except for enhancement of jumping performance (Pact, D CMJ & SJ).
CONCLUSION: It may be concluded that balance exercises performed simultaneously with reaction tasks represent an effective means for improvement of neuromuscular performance in elite athletes.

lingua: Inglese


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