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Eccentric and concentric torque and power of the knee extensors of females.
Can J Sport Sci. 1988 Jun; 13(2):166-9.CJ

Abstract

The purpose of this study was to compare differences in eccentric and concentric peak torque and power measurements of knee extensors at different velocities. The subjects included 21 females between the ages of 19 and 28, who had no history of knee pain or abnormality. Eccentric and concentric contractions of the knee extensors of the dominant leg of each subject were tested on an isokinetic dynameter at 60 degrees/s, 120 degrees/s and 180 degrees/s. Eccentric peak torque was greater than concentric at each of the three velocities tested, whereas eccentric power was significantly greater only at the two higher velocities. The lack of change in concentric peak torque between 120 degrees/s and 180 degrees/s contrasted with results of other studies, probably owing to methodological differences. Eccentric torque increased from 60 degrees/s to 120 degrees/s, but decreased again at the highest velocity. Both concentric and eccentric power increased with velocity.

Authors+Show Affiliations

Workers' Compensation Board Rehabilitation Clinic, Richmond, British Columbia.No affiliation info availableNo affiliation info available

Pub Type(s)

Comparative Study
Journal Article

Language

eng

PubMed ID

3395925

Citation

Rizzardo, M, et al. "Eccentric and Concentric Torque and Power of the Knee Extensors of Females." Canadian Journal of Sport Sciences = Journal Canadien Des Sciences Du Sport, vol. 13, no. 2, 1988, pp. 166-9.
Rizzardo M, Wessel J, Bay G. Eccentric and concentric torque and power of the knee extensors of females. Can J Sport Sci. 1988;13(2):166-9.
Rizzardo, M., Wessel, J., & Bay, G. (1988). Eccentric and concentric torque and power of the knee extensors of females. Canadian Journal of Sport Sciences = Journal Canadien Des Sciences Du Sport, 13(2), 166-9.
Rizzardo M, Wessel J, Bay G. Eccentric and Concentric Torque and Power of the Knee Extensors of Females. Can J Sport Sci. 1988;13(2):166-9. PubMed PMID: 3395925.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Eccentric and concentric torque and power of the knee extensors of females. AU - Rizzardo,M, AU - Wessel,J, AU - Bay,G, PY - 1988/6/1/pubmed PY - 1988/6/1/medline PY - 1988/6/1/entrez SP - 166 EP - 9 JF - Canadian journal of sport sciences = Journal canadien des sciences du sport JO - Can J Sport Sci VL - 13 IS - 2 N2 - The purpose of this study was to compare differences in eccentric and concentric peak torque and power measurements of knee extensors at different velocities. The subjects included 21 females between the ages of 19 and 28, who had no history of knee pain or abnormality. Eccentric and concentric contractions of the knee extensors of the dominant leg of each subject were tested on an isokinetic dynameter at 60 degrees/s, 120 degrees/s and 180 degrees/s. Eccentric peak torque was greater than concentric at each of the three velocities tested, whereas eccentric power was significantly greater only at the two higher velocities. The lack of change in concentric peak torque between 120 degrees/s and 180 degrees/s contrasted with results of other studies, probably owing to methodological differences. Eccentric torque increased from 60 degrees/s to 120 degrees/s, but decreased again at the highest velocity. Both concentric and eccentric power increased with velocity. SN - 0833-1235 UR - https://www.unboundmedicine.com/medline/citation/3395925/Eccentric_and_concentric_torque_and_power_of_the_knee_extensors_of_females_ DB - PRIME DP - Unbound Medicine ER -
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