What is the medical term meaning twisting of a joint?

Answer 1

Athetosis is involuntary writhing movement at a joint.

Torsion is a general technical word for twisting.

Sprain is sometimes the result of twisting of a joint.
Athetosis

Answer 2

Flexion is the medical term meaning bending a joint, bringing the bones of the joint closer, or decreasing its angle. The opposite is extension, which is straghtening of a joint so that the angle between the bones increases.
flexion

Answer 3

Volvulus is abnormal twising of the intestine.

Answer 4

strain
Strain (A+)
It is called a strain.
That would be a 'strain'.
BAZINGA

Answer 5

Articular is the medical term meaning pertaining to a joint.

Answer 6

Sprain
may be 'arthrotrauma' (arthro-joint, trauma-injury). Traumatitis is not injury, it is an inflamatory condition.

Answer 7

Flexing.