Short-term in-season ballistic training improves power, muscle volume and throwing velocity in junior handball players. A randomized control trial.
Longitudinal study
Optimal load
Specific device
Sport performance
Team sport
Journal
Biology of sport
ISSN: 0860-021X
Titre abrégé: Biol Sport
Pays: Poland
ID NLM: 8700872
Informations de publication
Date de publication:
Mar 2022
Mar 2022
Historique:
received:
25
11
2020
revised:
09
01
2021
accepted:
11
03
2021
entrez:
21
3
2022
pubmed:
22
3
2022
medline:
22
3
2022
Statut:
ppublish
Résumé
This study investigated the effects of a ballistic training programme using an arm/shoulder specific strength device (ASSSD) on the upper body peak power (PP), muscle volume (MV) of the dominant arm and throwing velocity in junior handball players. Twenty-six players were randomly assigned to an experimental (EG = 15, age 17.6 ± 0.51 years) and control (CG = 11, age 17.36 ± 0.50 years) group. Over an 8-week in-season period, the EG performed a ballistic training programme (2 sessions/week) immediately before their normal team handball training. Both groups underwent tests on the ASSSD, which operates in consecutive accelerative and decelerative actions, for throwing characteristics determination. Peak power (PP), peak force (PF), peak velocity (PV), peak rate of power development (PRPD), muscle volume (MV), throwing velocity with runup, standing throw, and jump throw were also assessed before/after the training programme. The EG group showed significant post-training improvements in PP (52.50% - p < 0.001), PF (26.45% - p < 0.01) and PRPD (78.47% - p < 0.001) better than the CG (1.81, 0.67 and 1.64%, p > 0.05, respectively). There was also a post-training improvement in the velocity at PP (22.82% - p < 0.001) and PF (42.45% - p < 0.001) in the EG compared to the CG (4.18 and 8.53%, p > 0.05 respectively). There was a significant increase in acceleration at PP (51.50% - p < 0.01) and PF (69.67% - p < 0.001). MV increased (19.11% - p < 0.001) in the EG, with no significant change (3.34% - p = 0.84) in the CG. Finally, significant increases were obtained in the three throw types (3.1-6.21%, p < 0.05- < 0.001) in the EG compared to the CG. The additional ASSSD training protocol was able to improve muscle strength/volume and ball throwing velocity in junior handball players.
Identifiants
pubmed: 35309523
doi: 10.5114/biolsport.2022.106150
pii: 106150
pmc: PMC8919889
doi:
Types de publication
Journal Article
Langues
eng
Pagination
415-426Informations de copyright
Copyright © Biology of Sport 2021.
Déclaration de conflit d'intérêts
The authors declare no conflict of interest.
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