What movement occurs at the ankle when a person stands on tip-toe?

When a person stands on tip-toe, the movement occurring at the ankle is called plantar flexion. This movement involves the extension of the ankle joint, which points the toes downward and pushes the body upwards. It engages the calf muscles, particularly the gastrocnemius and soleus, allowing for the elevation of the heel off the ground.

Plantar flexion is crucial for various activities, such as walking and running, as it facilitates propulsion and balance. Understanding this movement is essential, especially in physical training and rehabilitation settings, as it affects how forces are distributed through the foot and lower leg during dynamic activities.

Other options like dorsiflexion, inversion, and eversion involve different movements of the foot and ankle. Dorsiflexion refers to bringing the toes up towards the shin, while inversion and eversion describe movements that tilt the sole of the foot inward or outward, respectively. Each of these movements plays a role in different activities and functions, but standing on tip-toe specifically requires plantar flexion.