TY  - JOUR
A1  - Davies, Michael J.
A1  - Drury, Benjamin
A1  - Ramirez-Campillo, Rodrigo
A1  - Chaabene, Helmi
A1  - Moran, Jason
T1  - Effect of plyometric training and biological maturation on jump and change of direction ability in female youth
JF  - Journal of strength and conditioning research : the research journal of the NSCA / National Strength & Conditioning Association
N2  - Biological maturation has been shown to affect male youths' responses to plyometric training (PT). However, to date, no researcher has examined the effect of maturation on the effects of PT in female youth. We undertook the first controlled intervention study to examine this, focusing on adaptive responses to countermovement jump (CMJ), reactive strength index (RSI), and change of direction (COD) performance in groups of female youth divided by maturation status (years from peak height velocity [PHV]). The training program lasted 7 weeks with subjects undertaking 2 sessions of PT per week. In the mid-PHV group, there was a small increase (effect size; 90% confidence interval = 0.40; -0.23 to 1.03) in CMJ performance. No changes were observed in the post-PHV group (0.02; -0.68 to 0.72). For RSI, there was a moderate increase in the mid-PHV group (0.94; 0.29-1.59) with only a trivial increase in the post-PHV group (0.06; -0.65 to 0.76). The intervention exerted no positive effect on COD performance in any group. Plyometric training seems to enhance CMJ and RSI in female youth, although the magnitude of adaptation could be affected by maturation status. A twice-per-week program of multidirectional jumping and hopping, with bilateral and unilateral components, can be used as a preparatory precursor to physical education classes or recreational sport.
KW  - girls
KW  - exercise
KW  - sport
KW  - athlete
Y1  - 2021
U6  - https://doi.org/10.1519/JSC.0000000000003216
SN  - 1064-8011
SN  - 1533-4287
VL  - 35
IS  - 10
SP  - 2690
EP  - 2697
PB  - Lippincott Williams & Wilkins
CY  - Philadelphia
ER  -