J Korean Acad Rehabil Med Search


Journal of the Korean Academy of Rehabilitation Medicine 2003;27(2):255-259.
Interlimb Interaction at Different Angular Velocity in Isokinetic Knee Evaluation.
Kang, Seong Woong , Seok, Hyun , Kang, Yeon Seung , Moon, Jae Ho
1Department of Rehabilitation Medicine and Rehabilitation Institute of Muscular Disease, Yonsei University College of Medicine, Korea.
2Department of Rehabilitation Medicine, Soonchunhyang University College of Medicine, Korea. seok50503@daum.net
관절 등속성 운동검사에서 각속도에 따른 지간 상호작용
강성웅, 석현1, 강연승, 문재호
연세대학교 의과대학 재활의학교실 및 근육병 재활연구소, 1순천향대학교 의과대학 재활의학교실
To investigate the influence of angular velocity on the interlimb interaction induced by movement patterns.

Sixty healthy adult men performed five maximal isokinetic knee extension-flexion contractions in each of two contralateral leg stabilization conditions at different angular velocities. In the "Front condition", the test was done with a bar in front of the ankle joint of the non-testing leg. In the Fix condition", the non-testing leg was strapped and induced reciprocally to perform isometric contractions with respect to the testing leg. From the measured values, we calculated the strength difference ratio ([Peak Torque (PT) of "Fix condition"-PT of "Front condition"]⁓100/PT of "Front condition") at each angular velocity.

By comparing the extensor strength, greater PTs were measured at the "Fix condition" in all tested angular velocities (p<0.01). For the flexor, the PTs of both conditions were similar. The strength difference ratio decreased as angular velocity increased (r=⁣0.48, p<0.01) in the extensor.

We could infer the crossed extension-flexion reflex is more apparent in the lower angular velocity than in higher one. (J Korean Acad Rehab Med 2003; 27: 255-259)

Key Words: Crossed extension-flexion reflex, Interlimb interaction, Angular velocity


Browse all articles >

Terms of Use   |   Privacy Polity
Editorial Office
Department of Rehabilitation Medicine, Seoul National University Hospital
101 Daehak-ro, Jongno-gu, Seoul, Korea
Tel: +82-10-8678-2671    Fax: +82-2-6072-5244    E-mail: edit@e-arm.org; edit.karm@gmail.com
Business Registration: 110-82-07460                

Copyright © 2024 by Korean Academy of Rehabilitation Medicine.

Developed in M2PI

Close layer