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Kinetics and Kinematics of Sprinting in Mid and Post Peak Height Velocity Female Athletes

The International Journal of Strength and Conditioning is the world's first in S&C and Sport Science to be 'Diamond' Open Access. We have published a new article by Kaushik Talukdar, Craig Harrison, Mike McGuigan, and Robert Borotkanics, titled "Kinetics and Kinematics of Sprinting in Mid and Post Peak Height Velocity Female Athletes"

Abstract


Sprinting speed is a crucial physical capacity and can change throughout an athlete’s growth. Previous research has shown that both kinetic and kinematic variables change across maturation in young males. However, due to the changes in growth and hormonal levels, the kinetic and kinematic factors associated with sprinting may vary in young females compared to their male counterparts. Therefore, identifying the natural development of sprinting kinetics (force, maximal power) and kinematics (step length, step frequency, contact time and flight time) in young females can provide valuable insights into training for this cohort.

Thirty-two young female athletes, 11 mid-peak height velocity (PHV) age (12.8±0.6) and 21 post PHV (13.5±0.93) performed two 15 and 30 m sprints each.

Theoretical velocity, maximal velocity, step length, force and power max were significantly higher in post PHV girls (p<0.05). Univariate regression analysis reported that the best predictors of velocity (15 and 30 m) were contact time, power max, stride frequency, step length and leg length with contact time being the strongest predictor.

The findings of this research provide insight into the natural development of sprinting in young females and will help practitioners specifically develop training programs that can effectively improve sprinting kinetics and kinematics in this cohort.


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