AI Article Synopsis
- Macaques exhibited a preference for unilateral skipping (galloping) when moving quickly in a bipedal manner, which they maintained while navigating hurdles.
- The study focused on analyzing joint rotations and moments in the legs and trunk during skipping to understand how these body parts work together.
- Key findings showed that the leading leg had a greater range of motion and extension, while the knee absorbed energy and the ankle provided propulsion; trunk movements remained mostly symmetrical, although hurdling increased asymmetry, particularly in the leading knee and trunk operations.
Article Abstract
When locomoting bipedally at higher speeds, macaques preferred unilateral skipping (galloping). The same skipping pattern was maintained while hurdling across two low obstacles at the distance of a stride within our experimental track. The present study investigated leg and trunk joint rotations and leg joint moments, with the aim of clarifying the differential leg and trunk operation during skipping in bipedal macaques. Especially at the hip, the range of joint rotation and extension at lift off was larger in the leading than in the trailing leg. The flexing knee absorbed energy and the extending ankle generated work during each step. The trunk showed only minor deviations from symmetry. Hurdling amplified the differences and notably resulted in a quasi-elastic use of the leading knee and in an asymmetric operation of the trunk.
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| http://dx.doi.org/10.1002/jez.2803 | DOI Listing |
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