Vertical Force-velocity Profiling and Relationship to Sprinting in Elite Female Soccer Players.
2021
Explosive actions are integral to soccer performance and highly influenced by
the ability to generate maximal power. The purpose of this study was to
investigate the relationship between force-velocity profile, jump
performance, acceleration and maximal sprint speed in elite female soccer
players. Thirty-nine international female soccer players (24.3±4.7
years) performed 40-m sprints, maximal countermovement jumps and five loaded
squat jumps at increasing loads to determine individual force-velocity
profiles. Theoretical maximal velocity, theoretical maximal force, maximal
power output, one repetition maximal back squat and one repetition maximal
back squat relative to body mass were determined using the force-velocity
profile. Counter movement jump, squat jump and maximal power output
demonstrated moderate to large correlation with acceleration and maximal
sprint speed (r=− 0.32 to −0.44 and
−0.32 to −0.67 respectively, p<0.05). Theoretical
maximal velocity and force, one repetition maximal and relative back squat
demonstrated a trivial to small relationship to acceleration and maximal
sprint speed (p>0.05). Vertical force-velocity profiling and maximal
strength can provide valuable insight into the neuromuscular qualities of an
athlete to individualize training, but the ability to produce force, maximal
power, and further transference into sprint performance, must be central to
program design.
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