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Effects of adding a preceding run-up on performance, blood lactate concentration and heart rate during maximal intermittent vertical jumping.

Authors :
Hertogh, C
Chamari, K
Damiani, M
Martin, R
Hachana, Y
Blonc, S
Hue, O
Source :
Journal of Sports Sciences. Sep2005, Vol. 23 Issue 9, p937-942. 6p. 1 Chart, 2 Graphs.
Publication Year :
2005

Abstract

In this study, we examined the effects of a prior run-up on intermittent maximal vertical jump performance. Seven regionally ranked male volleyball players volunteered to participate in the study. They performed three randomized tests: (1) six repeated intermittent maximal jumps (jump condition), (2) six repeated intermittent run-ups (run-up condition), and (3) six repeated run-ups followed by maximal jumps (run-up plus jump condition). All performances were assessed and blood lactate concentration and heart rate were measured before and after each of the tests. Mean ( ± ) jump performance (64.7 ± 2.3  cm) increased significantly ( P = 0.02) over the course of the jump condition and was significantly higher ( P < 0.001) than for the run-up plus jump condition (58.0 ± 3.2  cm), which tended to decrease with repetition. Blood lactate concentration was significantly higher in the run-up plus jump condition (3.73 ± 0.24  mmol · l -1 ) than in the jump (2.61 ± 0.26  mmol · l -1 , P = 0.02) and run-up (2.86 ± 0.18  mmol · l -1 , P = 0.03) conditions. The increase in heart rate was significantly higher both in the run-up plus jump condition (33 ± 6 beats · min -1 , P = 0.05) and run-up condition (33 ± 4 beats · min -1 , P = 0.02) than in the jump condition (21 ± 3 beats · min -1 ). The results indicate that the addition of run-ups probably impeded performance in the repetition of vertical jumps. [ABSTRACT FROM AUTHOR]

Details

Language :
English
ISSN :
02640414
Volume :
23
Issue :
9
Database :
Academic Search Index
Journal :
Journal of Sports Sciences
Publication Type :
Academic Journal
Accession number :
17941805
Full Text :
https://doi.org/10.1080/02640410400023357