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Medial collateral ligament – longitudinal

Patient Positioning

Patient seated, arm in external rotation while keeping the elbow slightly flexed or extended resting on the examination table (pillow). Better position to check the ligament: patient supine, arm externally rotated, shoulder abducted and elbow flexed (90°)

Probe Positioning

Place the transducer with the cranial edge over the medial epicondyle and move the distal edge over the ulna.

Elbow medial humero-ulnar medial epicondyle longitudinal
Elbow medial humero-ulnar medial epicondyle longitudinal

Note: Use passive valgus stress to check the ligament – it may show joint space widening.