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The force-velocity relationship obtained during the squat jump exercise is meaningfully influenced by the initial knee angle

Authorized Users Only
2020
Authors
Janićijević, Danica
Knežević, Olivera
Mirkov, Dragan M.
Perez-Castilla, Alejandro
Petrović, Miloš R.
Samozino, Pierre
Garcia-Ramos, Amador
Article (Published version)
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Abstract
This study aimed to compare the magnitude of the force-velocity (F-V) relationship parameters (maximum force [F-0], maximum velocity [V-0], F-V slope, and maximum power [P-max]) between the squat jumps (SJ) performed from different knee angles. The F-V relationships of 12 men were assessed in 3 sessions during the SJ performed from a knee angle of 80 degrees (SJ80), 90 degrees (SJ90) and 100 degrees (SJ100). The SJ100 provided likely to very likely higher values of F-0 and P-max compared to SJ80 (86% and 98%, respectively) and SJ90 (73% and 94%, respectively), while unclear and trivial differences were observed for the remaining comparisons. The magnitude of the correlations between the 3 SJ types was very large to nearly perfect for P-max (r range = 0.864 to 0.940), moderate to very large for F-0 (r range = 0.438 to 0.778), and small to large for V-0 (r range = 0.361 to 0.642) and the F-V slope (r range = 0.178 to 0.645). These results suggest that the F-V relationship assessed during... the SJ exercise is affected by the initial knee angle with the increase of the knee angle from 80 degrees to 100 degrees being associated with higher values of F-0 and P-max, while V-0 remains unchanged.

Keywords:
Maximum force / maximum velocity / maximum power / vertical jump
Source:
Sports Biomechanics, 2020
Publisher:
  • Routledge Journals, Taylor & Francis Ltd, Abingdon
Funding / projects:
  • University of Granada under a post-doctoral grant (perfeccionamiento de doctores)
  • Spanish Ministry of Education, Culture and Sport, pre-doctoral grant FPU15/03649
  • Muscular and Neural Factors of Human Locomotion and their Adaptation (RS-175037)
  • Noninvasive modulation of cortical excitability and plasticity - Noninvasive neuromodulation of the CNS in the study of physiological mechanisms, diagnosis and treatment (RS-175012)

DOI: 10.1080/14763141.2020.1727559

ISSN: 1476-3141

PubMed: 32223526

WoS: 000523758900001

Scopus: 2-s2.0-85082522729
[ Google Scholar ]
7
4
URI
http://rimi.imi.bg.ac.rs/handle/123456789/4
Collections
  • Radovi istraživača / Researchers' publications
Institution/Community
Institut za medicinska istraživanja
TY  - JOUR
AU  - Janićijević, Danica
AU  - Knežević, Olivera
AU  - Mirkov, Dragan M.
AU  - Perez-Castilla, Alejandro
AU  - Petrović, Miloš R.
AU  - Samozino, Pierre
AU  - Garcia-Ramos, Amador
PY  - 2020
UR  - http://rimi.imi.bg.ac.rs/handle/123456789/4
AB  - This study aimed to compare the magnitude of the force-velocity (F-V) relationship parameters (maximum force [F-0], maximum velocity [V-0], F-V slope, and maximum power [P-max]) between the squat jumps (SJ) performed from different knee angles. The F-V relationships of 12 men were assessed in 3 sessions during the SJ performed from a knee angle of 80 degrees (SJ80), 90 degrees (SJ90) and 100 degrees (SJ100). The SJ100 provided likely to very likely higher values of F-0 and P-max compared to SJ80 (86% and 98%, respectively) and SJ90 (73% and 94%, respectively), while unclear and trivial differences were observed for the remaining comparisons. The magnitude of the correlations between the 3 SJ types was very large to nearly perfect for P-max (r range = 0.864 to 0.940), moderate to very large for F-0 (r range = 0.438 to 0.778), and small to large for V-0 (r range = 0.361 to 0.642) and the F-V slope (r range = 0.178 to 0.645). These results suggest that the F-V relationship assessed during the SJ exercise is affected by the initial knee angle with the increase of the knee angle from 80 degrees to 100 degrees being associated with higher values of F-0 and P-max, while V-0 remains unchanged.
PB  - Routledge Journals, Taylor & Francis Ltd, Abingdon
T2  - Sports Biomechanics
T1  - The force-velocity relationship obtained during the squat jump exercise is meaningfully influenced by the initial knee angle
DO  - 10.1080/14763141.2020.1727559
UR  - conv_4762
ER  - 
@article{
author = "Janićijević, Danica and Knežević, Olivera and Mirkov, Dragan M. and Perez-Castilla, Alejandro and Petrović, Miloš R. and Samozino, Pierre and Garcia-Ramos, Amador",
year = "2020",
abstract = "This study aimed to compare the magnitude of the force-velocity (F-V) relationship parameters (maximum force [F-0], maximum velocity [V-0], F-V slope, and maximum power [P-max]) between the squat jumps (SJ) performed from different knee angles. The F-V relationships of 12 men were assessed in 3 sessions during the SJ performed from a knee angle of 80 degrees (SJ80), 90 degrees (SJ90) and 100 degrees (SJ100). The SJ100 provided likely to very likely higher values of F-0 and P-max compared to SJ80 (86% and 98%, respectively) and SJ90 (73% and 94%, respectively), while unclear and trivial differences were observed for the remaining comparisons. The magnitude of the correlations between the 3 SJ types was very large to nearly perfect for P-max (r range = 0.864 to 0.940), moderate to very large for F-0 (r range = 0.438 to 0.778), and small to large for V-0 (r range = 0.361 to 0.642) and the F-V slope (r range = 0.178 to 0.645). These results suggest that the F-V relationship assessed during the SJ exercise is affected by the initial knee angle with the increase of the knee angle from 80 degrees to 100 degrees being associated with higher values of F-0 and P-max, while V-0 remains unchanged.",
publisher = "Routledge Journals, Taylor & Francis Ltd, Abingdon",
journal = "Sports Biomechanics",
title = "The force-velocity relationship obtained during the squat jump exercise is meaningfully influenced by the initial knee angle",
doi = "10.1080/14763141.2020.1727559",
url = "conv_4762"
}
Janićijević, D., Knežević, O., Mirkov, D. M., Perez-Castilla, A., Petrović, M. R., Samozino, P.,& Garcia-Ramos, A.. (2020). The force-velocity relationship obtained during the squat jump exercise is meaningfully influenced by the initial knee angle. in Sports Biomechanics
Routledge Journals, Taylor & Francis Ltd, Abingdon..
https://doi.org/10.1080/14763141.2020.1727559
conv_4762
Janićijević D, Knežević O, Mirkov DM, Perez-Castilla A, Petrović MR, Samozino P, Garcia-Ramos A. The force-velocity relationship obtained during the squat jump exercise is meaningfully influenced by the initial knee angle. in Sports Biomechanics. 2020;.
doi:10.1080/14763141.2020.1727559
conv_4762 .
Janićijević, Danica, Knežević, Olivera, Mirkov, Dragan M., Perez-Castilla, Alejandro, Petrović, Miloš R., Samozino, Pierre, Garcia-Ramos, Amador, "The force-velocity relationship obtained during the squat jump exercise is meaningfully influenced by the initial knee angle" in Sports Biomechanics (2020),
https://doi.org/10.1080/14763141.2020.1727559 .,
conv_4762 .

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