Effect of hip joint flexibility training on vertical jump in young female volleyball athletes
Abstract
Aim: To investigate the effect of different training protocols (with and without flexibility training) in flexion and hip extension and its effects on their vertical jump. Materials and Methods: The study included 48 volleyball athletes female, aged 11 to 17 years, divided into four groups: The "Children" (n=12); B "Child" (n=12); C "Youth" (n=12) and D "Youth" (n=12). Body mass, stature was evaluated, and subsequently calculated the Body Mass Index (BMI). Then calculate the percentage of fat. Flexibility was assessed using the Wells Bench and fleximeter. The counter-movement vertical jump was measured using a pressure platform and analyzed with the Jump Test 2.0 software. Results: After intervention with flexibility training, there was improvement in height (pre: 21.8±1.2 cm, post: 24.0±1.4 cm,p=0.03) and vertical jump power in group A (pre: 296.0±17.2 W/kg, post: 317.5±13.1 W/kg, p=0.03). Increased flexibility in the C group (pre: 27.2±1.2 cm, post: 29.5±1.4 cm, p=0.03). Improvement in height (pre: 19.4±1.7 cm, post: 21.5±1.5 cm, p=0.04) and vertical jump power in group B (pre: 213.8±11.6 W/kg, post: 226.0±9.7 W/kg, p=0.04). Conclusion: After the 12-week intervention with passive stretching method there was an increase and/or maintaining flexibility, vertical jump (cm) and power (W/kg) in female athletes.
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