TY - JOUR
T1 - Neuromuscular Adaptations and Enhancement of Physical Performance in Female Basketball Players After 8 Weeks of Plyometric Training
AU - Cherni, Yosser
AU - Hammami, Mehrez
AU - Jelid, Mohamed Chedly
AU - Aloui, Ghaith
AU - Suzuki, Katsuhiko
AU - Shephard, Roy J.
AU - Chelly, Mohamed Souhaiel
N1 - Funding Information:
The authors thank the “Ministry of Higher Education and Scientific Research, Tunis, Tunisia” for financial support. The authors acknowledge the Prof. Hajer Rahali-Khachlouf (Department of Physical and Rehabilitation Medicine, Military Tunis Hospital, Tunisia) for precious experimental help. Funding. This work was supported by the MEXT JSPS KAKENHI (Grant Number: 20H00574).
Funding Information:
This work was supported by the MEXT JSPS KAKENHI (Grant Number: 20H00574).
Funding Information:
The authors thank the “Ministry of Higher Education and Scientific Research, Tunis, Tunisia” for financial support. The authors acknowledge the Prof. Hajer Rahali-Khachlouf (Department of Physical and Rehabilitation Medicine, Military Tunis Hospital, Tunisia) for precious experimental help.
Publisher Copyright:
© Copyright © 2021 Cherni, Hammami, Jelid, Aloui, Suzuki, Shephard and Chelly.
PY - 2021/1/21
Y1 - 2021/1/21
N2 - The aim of this study was to examine the effects of an 8-week in-season plyometric training (PT) program on the physical performance and neuromuscular adaptations of female basketball players. Twenty-seven elite female basketball players (aged 21.0 ± 2.6 years) were assigned between an experimental group (n = 15) who substituted a part of their usual training with biweekly PT, and a control group (n = 12) who maintained their standard basketball training. Analyses of variance and co-variance assessed changes in 10, 20, and 30 m sprint times, ability to change direction (T-test) and jumping ability [squat jump (SJ) and countermovement jump (CMJ)] with electromyographic assessment of the vastus lateralis, vastus medialis, and rectus femoris muscles during jumping and meassurement of the isokinetic strength of the knee muscles. After 8 weeks of the plyometric program the experimental group enhanced change of direction performance (Δ = −3.90%, d = 0.67) and showed a greater thigh cross sectional area (Δ = 9.89%, d = 0.95) relative to controls. Neural adaptations included significant improvements of EMG parameters for the vastus medialis muscle during Squat Jumping (Δ = 109.3%, d = 0.59). However, trends to improvements of sprinting times and jumping performances did not reach statistical significance. In addition, there were no gains in the peak torque and the average power of the quadriceps and hamstring muscles at either slow or moderate test speeds. We conclude that 8-weeks of PT (72–126 jumps) was insufficient to improve many of the variables associated with basketball performance in our subject-group. Further studies of female basketball players, extending the program period and increasing the intensity and speed of jumps are recommended in the search for more significant results.
AB - The aim of this study was to examine the effects of an 8-week in-season plyometric training (PT) program on the physical performance and neuromuscular adaptations of female basketball players. Twenty-seven elite female basketball players (aged 21.0 ± 2.6 years) were assigned between an experimental group (n = 15) who substituted a part of their usual training with biweekly PT, and a control group (n = 12) who maintained their standard basketball training. Analyses of variance and co-variance assessed changes in 10, 20, and 30 m sprint times, ability to change direction (T-test) and jumping ability [squat jump (SJ) and countermovement jump (CMJ)] with electromyographic assessment of the vastus lateralis, vastus medialis, and rectus femoris muscles during jumping and meassurement of the isokinetic strength of the knee muscles. After 8 weeks of the plyometric program the experimental group enhanced change of direction performance (Δ = −3.90%, d = 0.67) and showed a greater thigh cross sectional area (Δ = 9.89%, d = 0.95) relative to controls. Neural adaptations included significant improvements of EMG parameters for the vastus medialis muscle during Squat Jumping (Δ = 109.3%, d = 0.59). However, trends to improvements of sprinting times and jumping performances did not reach statistical significance. In addition, there were no gains in the peak torque and the average power of the quadriceps and hamstring muscles at either slow or moderate test speeds. We conclude that 8-weeks of PT (72–126 jumps) was insufficient to improve many of the variables associated with basketball performance in our subject-group. Further studies of female basketball players, extending the program period and increasing the intensity and speed of jumps are recommended in the search for more significant results.
KW - ability to change direction
KW - electromyographic activity
KW - peak power
KW - peak torque
KW - vertical jumping
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U2 - 10.3389/fphys.2020.588787
DO - 10.3389/fphys.2020.588787
M3 - Article
AN - SCOPUS:85100519866
SN - 1664-042X
VL - 11
JO - Frontiers in Physiology
JF - Frontiers in Physiology
M1 - 588787
ER -