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Pronation: Inward rotation of the forearm, which occurs at the radioulnar joint in the forearm. From the anatomical position, forearm pronation occurs around the longitudinal axis of the forearm where the palm turns toward the body. Normally, the radius and ulna bones of the forearm lie parallel to one another. Activity of the pronater teres and pronater quadratus, with some assistance from others, causes the crossing of the radius and ulna at the radioulnar joint, resulting in the palm turning toward the body. When gripping, a pronated grip is usually called an overhand grip.

forearm pronation

Forearm Pronation/Pronation of the Hand

Pronation also describes a slight inward rolling motion the foot makes during a normal walking or running stride. This motion is associated with the subtaler joint. The foot (and ankle) rolls slightly inward to accommodate movement. Some people, however, over-pronate and roll more than normal. With over-pronation, the arch of the foot flattens and causes excessive stress and pressure on the soft tissues of the foot. Over-pronation is more common in those with flat feet, and can lead to foot aches and pain, such as plantar fasciitis, shin splints and Knee Pain.

See Anatomy and Human Movement: Structure and Function (Physiotherapy Essentials) by Nigel Palastanga, et al.

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This page created 29 Jan 2013 15:01
Last updated 28 Feb 2016 23:27

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