Lateral rotation
Lateral Rotation
Lateral rotation (pronunciation: /ˈlatərəl roʊˈteɪʃən/) is a term used in Anatomy and Physiology to describe a specific movement of a body part away from the midline of the body.
Etymology
The term 'lateral rotation' is derived from the Latin words 'latus' meaning 'side' and 'rotatio' meaning 'a turning'.
Definition
In the context of human anatomy, lateral rotation is the outward (or away from the midline) rotation of a joint, especially of the limbs. This movement is the opposite of Medial rotation, where the body part is rotated towards the midline of the body.
Examples
An example of lateral rotation is the movement of the arm at the shoulder joint when the elbow is kept at a right angle and the arm is moved away from the body. Another example is the outward rotation of the hip joint, as when a person turns their foot outward at the hip.
Related Terms
- Pronation: The rotation of the hand and forearm so that the palm faces backwards or downwards.
- Supination: The rotation of the hand and forearm so that the palm faces forwards or upwards.
- Abduction: The movement of a limb away from the midline of the body.
- Adduction: The movement of a limb towards the midline of the body.
See Also
External links
- Medical encyclopedia article on Lateral rotation
- Wikipedia's article - Lateral rotation
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