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Pronation and supination of the foot.

Supination, opposite of pronation, is the position of a body part or the entire body being ventral side up. In the case of the foot, the plantar surface is the ventral surface. 

Body[]

The body is in a supine position when it is ventral side up. This would be laying down on the back, stomach up.

Foot[]

Supination in the foot is a triplanar position, caused by the motions of inversion, adduction, and plantarflexion. This could lead to a bow-legged stance. [1]

Hand[]

The hand is in a supine position when it is palm up. [2]

References[]

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