Arm swing
- A low-cost method for carrying loads during human walking
Summary: In humans, carrying loads on the swinging arms is as costly as carrying loads at the waist, despite the expectation that swinging a mass about a limb should be much more costly.
- Straight arm walking, bent arm running: gait-specific elbow angles
Highlighted Article: The stereotyped difference in elbow angle between walking and running in humans is linked to a mechanical tradeoff between shoulder and elbow muscle torque.