Abstract
The Influence of Maximum Strength Performance in Squats and Standing Calf Raises on Squat Jumps, Drop Jumps, and Linear and Change of Direction Sprint Performance in Youth Soccer Players
Highlights
Speed and strength performance have an essential role in soccer
The absolute and relative strength in standing calf raises (SCR) was lower in these variables (r2 = 0.01 – 0.13)
drop jumps (DJs) performance is independent of DJ height and can be explained to a greater extent via the relative to body weight 1RM in SCR (r2 = 0.17 - 0.32)
Summary
Speed and strength performance have an essential role in soccer. It is well known there is a moderate to strong correlation between maximum strength, speed and jump performance. Studies on the maximum strength of the calf muscles are rare. Because of changes in technical, tactical and physical requirements, soccer games have become more dynamic and fast paced [2,3]. Physiological factors, such as the capacity of soccer players to produce various forceful and explosive actions, are becoming increasingly essential to consider for players to exhibit optimal performance [4]. A soccer player performs explosive actions every 2–4 seconds and up to 1200–1400 explosive actions total during a game [6].
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