Effects of six weeks of isoinertial training on vertical jump performance, running velocity, and dynamic postural balance
DOI:
https://doi.org/10.47197/retos.v48.95284Keywords:
entrenamiento de fuerza, fuerza muscular, destreza motora, control postural, rendimiento físico funcionalAbstract
Introduction: The isoinertial strength training method has benefits both in the field of sports and rehabilitation. The available evidence suggests that this type of training increases the strength and velocity of muscle responses. The aim of this study was to analyze the effects of six weeks of isoinertial training on jumping ability, running speed, and dynamic postural balance in untrained adults. Method: The design of this study was pre-experimental. The selection of the participants was carried out in a non-probabilistic way for convenience. The sample was composed of 8 adults, 4 females and 4 males. Explosive strength assessment tests were performed through the countermovement jump (CMJ), the 20-meter sprint test, and the modified Star Excursion Balance Test (SEBTm) for dynamic postural balance test. All evaluations were performed before and after isoinertial training. Results: After the isoinertial training program, jump ability increased by 17% in men and 15% in women. Race time decreased by 22% in both men and women. Dynamic postural balance also showed better performance in the three directions evaluated in men and women who underwent isoinertial training. Conclusion: Strength training with the isoinertial method seems to be an effective tool for improving CMJ jump ability, running velocity and dynamic postural balance in healthy untrained adults.
Keywords: strength training; muscular strength; motor skills; Postural control; functional physical performance.
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