Which biomechanical concept causes torque when a person is running or jogging?

Which biomechanical concept causes torque when a person is running or jogging?

• A. Rotary Motion
• B. Linear Motion
• C. Potential Energy
• D. Shear Force

Answer: (A)

Torque is the turning effect produced when a force acts at some distance from a pivot. In running, your leg segments rotate around joints such as the hip, knee, and ankle. The muscles pull on tendons at a distance from these joint axes, creating a turning moment that causes the limb to rotate. This rotational (angular) motion is what generates the torque you feel as you push off and swing your leg forward. Linear motion, by contrast, would be straight-line movement without this joint rotation, and potential energy or shear force don’t describe the turning effect around a joint. So the concept that best explains the torque seen in running is rotary (angular) motion.

Torque is the turning effect produced when a force acts at some distance from a pivot. In running, your leg segments rotate around joints such as the hip, knee, and ankle. The muscles pull on tendons at a distance from these joint axes, creating a turning moment that causes the limb to rotate. This rotational (angular) motion is what generates the torque you feel as you push off and swing your leg forward. Linear motion, by contrast, would be straight-line movement without this joint rotation, and potential energy or shear force don’t describe the turning effect around a joint. So the concept that best explains the torque seen in running is rotary (angular) motion.