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Isokinetic Testing: Sensitivity of the Force-Velocity Relationship Assessed through the Two-Point Method to Discriminate between Muscle Groups and Participants' Physical Activity Levels

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2020
1010.pdf (960.1Kb)
Authors
Janićijević, Danica
Knežević, Olivera
Garcia-Ramos, Amador
Cvetić, Danilo
Mirkov, Dragan M.
Article (Published version)
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Abstract
Background: Isokinetic testing has been routinely used to assess the capacities of individual muscle groups. In this study we aimed to evaluate the sensitivity of the force-point (F-v) relationship assessed through the two-point method to discriminate between antagonist muscle groups and males with different physical activity levels. Methods: The concentric force output of the knee, hip, elbow, and shoulder flexors and extensors of 27 active and 13 non-active men was recorded at 60 and 180 degrees/s to determine the F-v relationship parameters (maximum force [F-0], maximum velocity [v(0)], and maximum power [P-max]). Results: F-0 and P-max were higher for knee extensors (effect size [ES] = 1.97 and 0.57, respectively), hip extensors (ES = 2.52 and 0.77, respectively), and shoulder flexors (ES = 1.67 and 0.83, respectively) compared to their antagonist muscles, while v(0) was higher for knee flexors compared to knee extensors (ES = 0.59). Active males revealed higher F-0 for knee extens...ors (ES = 0.72) and knee flexors (ES = 0.83) and higher P-max for knee flexors (ES = 0.70), elbow extensors (ES = 0.83) and shoulder extensors (ES = 0.36). Conclusions: The sensitivity of the two-point method for testing the maximal mechanical capacities was high for the knee, moderate for the hip and shoulder, and low for the elbow joint.

Keywords:
flexors / extensors / knee / hip / elbow / shoulder
Source:
International Journal of Environmental Research & Public Health, 2020, 17, 22, 1-12
Publisher:
  • MDPI, Basel
Funding / projects:
  • Ministry of Education, Science and Technological Development, Republic of Serbia, Grant no. 200015 (University of Belgrade, Institute for Medical Research) (RS-200015)
  • Ministry of Education, Science and Technological Development, Republic of Serbia, Grant no. 200021 (Institute of Contemporary History, Belgrade) (RS-200021)

DOI: 10.3390/ijerph17228570

ISSN: 1660-4601

PubMed: 33227905

WoS: 000594092400001

Scopus: 2-s2.0-85096223887
[ Google Scholar ]
3
2
URI
http://rimi.imi.bg.ac.rs/handle/123456789/1013
Collections
  • Radovi istraživača / Researchers' publications
Institution/Community
Institut za medicinska istraživanja
TY  - JOUR
AU  - Janićijević, Danica
AU  - Knežević, Olivera
AU  - Garcia-Ramos, Amador
AU  - Cvetić, Danilo
AU  - Mirkov, Dragan M.
PY  - 2020
UR  - http://rimi.imi.bg.ac.rs/handle/123456789/1013
AB  - Background: Isokinetic testing has been routinely used to assess the capacities of individual muscle groups. In this study we aimed to evaluate the sensitivity of the force-point (F-v) relationship assessed through the two-point method to discriminate between antagonist muscle groups and males with different physical activity levels. Methods: The concentric force output of the knee, hip, elbow, and shoulder flexors and extensors of 27 active and 13 non-active men was recorded at 60 and 180 degrees/s to determine the F-v relationship parameters (maximum force [F-0], maximum velocity [v(0)], and maximum power [P-max]). Results: F-0 and P-max were higher for knee extensors (effect size [ES] = 1.97 and 0.57, respectively), hip extensors (ES = 2.52 and 0.77, respectively), and shoulder flexors (ES = 1.67 and 0.83, respectively) compared to their antagonist muscles, while v(0) was higher for knee flexors compared to knee extensors (ES = 0.59). Active males revealed higher F-0 for knee extensors (ES = 0.72) and knee flexors (ES = 0.83) and higher P-max for knee flexors (ES = 0.70), elbow extensors (ES = 0.83) and shoulder extensors (ES = 0.36). Conclusions: The sensitivity of the two-point method for testing the maximal mechanical capacities was high for the knee, moderate for the hip and shoulder, and low for the elbow joint.
PB  - MDPI, Basel
T2  - International Journal of Environmental Research & Public Health
T1  - Isokinetic Testing: Sensitivity of the Force-Velocity Relationship Assessed through the Two-Point Method to Discriminate between Muscle Groups and Participants' Physical Activity Levels
EP  - 12
IS  - 22
SP  - 1
VL  - 17
DO  - 10.3390/ijerph17228570
UR  - conv_4914
ER  - 
@article{
author = "Janićijević, Danica and Knežević, Olivera and Garcia-Ramos, Amador and Cvetić, Danilo and Mirkov, Dragan M.",
year = "2020",
abstract = "Background: Isokinetic testing has been routinely used to assess the capacities of individual muscle groups. In this study we aimed to evaluate the sensitivity of the force-point (F-v) relationship assessed through the two-point method to discriminate between antagonist muscle groups and males with different physical activity levels. Methods: The concentric force output of the knee, hip, elbow, and shoulder flexors and extensors of 27 active and 13 non-active men was recorded at 60 and 180 degrees/s to determine the F-v relationship parameters (maximum force [F-0], maximum velocity [v(0)], and maximum power [P-max]). Results: F-0 and P-max were higher for knee extensors (effect size [ES] = 1.97 and 0.57, respectively), hip extensors (ES = 2.52 and 0.77, respectively), and shoulder flexors (ES = 1.67 and 0.83, respectively) compared to their antagonist muscles, while v(0) was higher for knee flexors compared to knee extensors (ES = 0.59). Active males revealed higher F-0 for knee extensors (ES = 0.72) and knee flexors (ES = 0.83) and higher P-max for knee flexors (ES = 0.70), elbow extensors (ES = 0.83) and shoulder extensors (ES = 0.36). Conclusions: The sensitivity of the two-point method for testing the maximal mechanical capacities was high for the knee, moderate for the hip and shoulder, and low for the elbow joint.",
publisher = "MDPI, Basel",
journal = "International Journal of Environmental Research & Public Health",
title = "Isokinetic Testing: Sensitivity of the Force-Velocity Relationship Assessed through the Two-Point Method to Discriminate between Muscle Groups and Participants' Physical Activity Levels",
pages = "12-1",
number = "22",
volume = "17",
doi = "10.3390/ijerph17228570",
url = "conv_4914"
}
Janićijević, D., Knežević, O., Garcia-Ramos, A., Cvetić, D.,& Mirkov, D. M.. (2020). Isokinetic Testing: Sensitivity of the Force-Velocity Relationship Assessed through the Two-Point Method to Discriminate between Muscle Groups and Participants' Physical Activity Levels. in International Journal of Environmental Research & Public Health
MDPI, Basel., 17(22), 1-12.
https://doi.org/10.3390/ijerph17228570
conv_4914
Janićijević D, Knežević O, Garcia-Ramos A, Cvetić D, Mirkov DM. Isokinetic Testing: Sensitivity of the Force-Velocity Relationship Assessed through the Two-Point Method to Discriminate between Muscle Groups and Participants' Physical Activity Levels. in International Journal of Environmental Research & Public Health. 2020;17(22):1-12.
doi:10.3390/ijerph17228570
conv_4914 .
Janićijević, Danica, Knežević, Olivera, Garcia-Ramos, Amador, Cvetić, Danilo, Mirkov, Dragan M., "Isokinetic Testing: Sensitivity of the Force-Velocity Relationship Assessed through the Two-Point Method to Discriminate between Muscle Groups and Participants' Physical Activity Levels" in International Journal of Environmental Research & Public Health, 17, no. 22 (2020):1-12,
https://doi.org/10.3390/ijerph17228570 .,
conv_4914 .

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