Medial Collateral Ligament Sprain. Medial Collateral Ligament Tear. Lateral Collateral Ligament Sprain. Lateral Collateral Ligament Tear.
Sprain or tear of the ligaments running between vertically on either side of the knee joint. Characterised by local pain to the touch or on knee movements, especially twisting/rotation. May result in weakness and instability of the knee.