Supination
Supination
Supination (pronounced soo-puh-NAY-shun) is a term used in anatomy to describe a movement that allows the forearm to rotate laterally so the palm faces anteriorly, with the radius and ulna parallel. This is the opposite of pronation.
Etymology
The term "supination" comes from the Latin word "supinare," which means "to lay on the back." This is a reference to the position of the hand when the forearm is supinated, as the palm faces up, similar to how one's back would face up when lying down.
Related Terms
- Pronation: The opposite movement to supination, where the forearm rotates so the palm faces posteriorly.
- Forearm: The part of the arm between the elbow and the wrist, involved in the movements of supination and pronation.
- Radius: One of the two bones in the forearm, which rotates over the ulna during supination.
- Ulna: The other bone in the forearm, which remains stationary during the movement of supination.
See Also
External links
- Medical encyclopedia article on Supination
- Wikipedia's article - Supination
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