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Biomechanics of Foot

Biomechanics is a term to describe movement of the body. The ankle joint by itself permits two movements:

Plantar flexion

Pointing the foot downward. This movement is normally accompanied by inversion of the foot.

Dorsiflexion

Raising the foot upward. This movement is normally accompanied by eversion of the foot.

The foot (excluding the toes) also permits two movements:

Inversion

Turning the sole of the foot inward.

Eversion

Turning the sole of the foot outward

The toes allow four different movements:

Plantar flexion

Bending the toes towards the sole of the foot

Dorsiflexion

Bending the toes towards the top of the foot

Abduction

Spreading the toes apart. This movement normally accompanies plantar dorsiflexion.

Adduction

Bringing the toes together. This movement normally accompanies plantar flexion.

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