Medial (internal) rotation

Definition

Medial rotation is a movement in which the anterior surface of a limb rotates towards the midline of the body. It's commonly observed in joints such as the hip or shoulder, allowing for an inward turning motion.

Related terms

Lateral (External) Rotation: A movement where the front surface of a limb rotates away from the midline of the body.

Flexion:

The action that decreases the angle between two parts of the body, like bending an elbow or knee.

Extension:

The action that increases the angle between parts of the body, essentially straightening a joint or limb