Strength Training Using Elastic Bands: Improvement of Muscle Power and Throwing Performance in Young Female Handball Players
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2017
Autores
Mascarin, Naryana Cristina [UNIFESP]
Barbosa de Lira, Claudio Andre
Vancini, Rodrigo Luiz
Pochini, Alberto de Castro [UNIFESP]
da Silva, Antonio Carlos [UNIFESP]
Andrade, Marilia dos Santos [UNIFESP]
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Context: Imbalance in shoulder-rotator muscles has been considered a risk factor for injuries in handball. Strength training programs (STPs) may play an important preventive role. Objective: To verify the effects of an STP using elastic bands on shoulder muscles and ball-throwing speed. Design: Randomized and prospective controlled trial. Setting: Exercise physiology laboratory. Participants: Thirty-nine female handball players were randomly assigned to an experimental (EG, n = 21, 15.3 +/- 1.1 y) or a control (CG, n = 18, 15.0 +/- 0.8 y) group. Intervention: The EG performed the STP with elastic-band progressive exercises for 6 wk before regular handball training, and the CG underwent only their regular training. Main Outcome Measures: Before and after the STP, both groups underwent a ball-throwing-speed test and isokinetic test to assess shoulder internal- (IR) and external-rotator muscle performance. Results: Average power values for IR muscles presented a significant group-vs-time interaction effect (F = 3.9, P = .05)
EG presented significantly higher values after the STP (P = .03). Ball speed presented higher values in EG after the STP in standing (P = .04) and jumping (P = .03) throws. IR peak-torque values and balance in shoulder-rotator muscles presented no group-vs-time interaction effect. Conclusions: STP using elastic bands performed for 6 wk was effective to improve muscle power and ball speed for young female handball players.
EG presented significantly higher values after the STP (P = .03). Ball speed presented higher values in EG after the STP in standing (P = .04) and jumping (P = .03) throws. IR peak-torque values and balance in shoulder-rotator muscles presented no group-vs-time interaction effect. Conclusions: STP using elastic bands performed for 6 wk was effective to improve muscle power and ball speed for young female handball players.
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Journal Of Sport Rehabilitation. Champaign, v. 26, n. 3, p. 245-252, 2017.