Author(s): Amit Kumar Singh

Abstract:
The high jump is a biomechanically complex athletic event requiring a synergy of explosive power, strength, and neuromuscular coordination. This study investigates the comparative effects of plyometric and isometric training on high jump performance in male athletes aged 18–25. Thirty athletes were randomly assigned into three groups: Plyometric Training (PT), Isometric Training (IT), and Control Group (CG), and underwent an 8-week training intervention. Performance was assessed using vertical jump height, leg strength, and explosive power. Data were analyzed using paired t-tests and ANOVA (p < 0.05). Results revealed that both PT and IT led to significant improvements, but the PT group showed higher gains in vertical jump (+12.5%) and explosive power (+14.7%), while the IT group excelled in leg strength (+15.3%). These findings suggest that plyometric training is superior for enhancing explosive power, whereas isometric training better improves strength. A combined regimen may yield optimal performance outcomes for high jumpers.

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