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Home β€Ί Body Atlas β€Ί Tendons β€Ί Bicipital Groove Transverse Humeral Ligament
Tendon Upper Arm

Bicipital Groove Transverse Humeral Ligament

ligamentum transversum humeri

The transverse humeral ligament spans the bicipital groove, converting it from an open groove into a fibro-osseous tunnel that retains the long head of biceps tendon. It blends with the subscapularis and supraspinatus insertions and acts as a pulley for the biceps tendon.

Region: Upper Arm
Clinical Relevance

Clinical Notes

Transverse humeral ligament tears allow medial subluxation of the biceps tendon from the groove, producing a palpable and audible snap with shoulder internal rotation. Ultrasound with dynamic rotation confirms tendon subluxation. Surgical reconstruction of the ligament or biceps tenodesis at the groove addresses this instability. The ligament integrity determines whether biceps tenodesis or tenotomy is appropriate.

Pathology

Common Injuries & Conditions

Long Head Biceps Subluxation from Transverse Ligament Tear

Medial subluxation of the LHB from the bicipital groove from transverse ligament disruption producing a painful snap with shoulder rotation, treated by surgical ligament repair or biceps tenodesis.

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