Bicipital Groove Roof

The bicipital groove intertubercular groove sulcus intertubercularis is a deep groove on the humerus that separates the greater tubercle from the lesser tubercle the bicipital groove lodges the long tendon of the biceps brachii between the tendon of the pectoralis major on the lateral lip and the tendon of the teres major on the medial lip. Bicipital tunnel demonstrated 3 distinct anatomic and his tologic zones table i. Zone 1 was consistently marked by synovium that circumferentially enveloped the lhbt a deep osseous groove and a thick ﬁbrous roof consisting of ﬁbers from the subscapularis tendon fig.

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Disorders Of The Long Head Of The Biceps Tendon Musculoskeletal Key

The Anatomy Of The Biceps Pulley Springerlink

The Biceps Tendon Musculoskeletal Key

Bicipital Groove Wikipedia

Biceps Instability With Versus Without Rotator Cuff Lesions

The Anatomy Of The Biceps Pulley Springerlink

In zone 2 67 of specimens demonstrated the presence of synovium.

Bicipital groove roof. It also transmits a branch of the anterior humeral. The bicipital groove was covered with a thick fibrous roof representing the transverse humeral ligament whereas the posterior groove with contact to the lhbt is covered with fibrous cartilage figure 3. It encloses the tendon of the long head of biceps brachii and its sheath in the bicipital groove forming a tunnel thus preventing it from subluxing out of the groove during shoulder movement. Bicipital root and proximal tendon disorders are an important symptom generator in the shoulder.

The groove is bordered on three sides by bone the bicipital ridge with a roof covered by the transverse humeral ligament. The transverse humeral ligament also know as the brodie ligament is a small broad ligament that extends between the lesser and greater tubercles of the humerus superior to the epiphyseal line. Occasionally the soft tissue restraints that maintain the position of the long head of the biceps tendon within the groove can be injured allowing the tendon to sublux or partially dislocate in and out of. In addition pacini like mechanoreceptors could be identified in the mesotenon in 9 37 5 of the specimens.

The accuracy of the diagnosis of many shoulder disorders visually without. The bicipital groove of the proximal humerus is formed by the medial and lateral tuberosities and serves to retain the long biceps tendon in its proper place as the arm moves.