Inversion in the context of anatomy and physiology refers to the movement of the sole of the foot towards the midline of the body. It is a specific action that occurs at the ankle joint, allowing for the adjustment of foot position.
Related terms
Eversion: Eversion is the movement of the sole of the foot away from the midline of the body.
Dorsiflexion: Dorsiflexion describes bending at the ankle so that toes come closer to the shin, reducing angle between dorsum (top) of foot and leg.
Plantarflexion: Plantarflexion involves extending at ankle joint to point toes downward, increasing angle between sole of foot and back of leg