supinatsioon

Supination is a medical term referring to the rotation of a body part around its longitudinal axis, typically resulting in a movement that turns the palm of the hand or sole of the foot upward. This movement is the opposite of pronation, which involves a downward rotation. Supination is commonly observed in the forearm and the foot.

In the forearm, supination occurs when the palm of the hand faces upward, as seen in the act of shaking hands or turning a doorknob. This movement is facilitated by the supinator muscle, which is located in the posterior compartment of the forearm. Supination is crucial for various daily activities, including writing, using tools, and performing sports.

In the foot, supination involves the inward rotation of the foot, causing the sole to face upward. This movement is essential for balance and stability, particularly during activities that require quick directional changes, such as running and jumping.

Supination can also refer to the upward rotation of other body parts, such as the thigh or the ankle, depending on the context. However, in these cases, the term is less commonly used and may be more specifically described based on the anatomical region involved.

Supination is a fundamental movement that plays a vital role in both everyday activities and athletic performance. Understanding the mechanics of supination can provide insights into the functioning of the musculoskeletal system and the importance of maintaining proper muscle strength and flexibility in the affected areas.