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JRM Vol.36 No.3 pp. 704-710
doi: 10.20965/jrm.2024.p0704
(2024)

Paper:

Change in Muscular Activity According to Trunk Posture When Landing on Feet

Masanobu Manno*, Takuya Koide**, Hiroshi Takahama**, and Tomohiko Fujikawa**

*Ritsumeikan University
1-1-1 Nojihigashi, Kusatsu, Shiga 525-8577, Japan

**Osaka Electro-Communication University
1130-70 Kiyotaki, Shijonawate, Osaka 575-0063, Japan

Received:
September 11, 2023
Accepted:
March 19, 2024
Published:
June 20, 2024
Keywords:
landing motion, biarticular muscle, muscular activity
Abstract

Landing is a frequently executed motion in athletic activities, and injuries have been reported to occur often during landing, suggesting that legs are subjected to large loads during landing. Many studies, based on posture and floor reaction, have been conducted on this subject; however, few have been conducted from the muscular-activity perspective. Moreover, we found no studies investigating the functions of biarticular muscles (muscles that cross two joints). Therefore, we studied landing motion in which feet make ground contact after falling from a suspended position. Our objective was to clarify activity patterns of biarticular thigh muscles in two different trunk postures. Our results showed that the activity patterns of the antagonistic biarticular muscle pair at the thigh anterior and posterior were affected by trunk posture.

Experimental system and experimental conditions

Experimental system and experimental conditions

Cite this article as:
M. Manno, T. Koide, H. Takahama, and T. Fujikawa, “Change in Muscular Activity According to Trunk Posture When Landing on Feet,” J. Robot. Mechatron., Vol.36 No.3, pp. 704-710, 2024.
Data files:
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Last updated on Jul. 12, 2024