Bicipital Groove Biceps Tendon
The tendon of the long head of the biceps muscle arises from the tubercle on the superior aspect of the glenoid fossa.
Bicipital groove biceps tendon. Biceps tendinitis is a disorder of the tendon around the long head of the biceps muscle. Inflammation of the biceps tendon within the intertubercular bicipital groove is called primary biceps. The spectrum of lhbt injuries includes primary and secondary tendinitis chronic tendinopathy superior labrum anterior and posterior slap lesions instability and partial or complete ruptures 1 2. The long head of the biceps brachii tendon lhbt is a common source of pain in the shoulder.
It passes in close proximity to the articular surface of the humeral head and then toward the bicipital groove. The bicipital groove is typically 4 6 mm deep 1. Bicipital tenosynovitis is a pathological condition in which there is inflammation of the tendon sheaths that surround the biceps tendons. 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.
The groove is bordered on three sides by bone the bicipital ridge with a roof covered by the transverse humeral ligament. It contains the tendon of the long head of the biceps brachii muscle which is ensheathed in a synovial reflection of the. Bicipital tenosynovitis can be a result of many small tears resulting in inflammation over a period of a number of years or due to an acute injury to the biceps region. Bicipital tendinitis or biceps tendinitis is an inflammatory process of the long head of the biceps tendon and is a common cause of shoulder pain due to its position and function.
A complete tear means the tendon has torn away from the bone. The tendon is exposed on the anterior shoulder as it passes through the humeral bicipital groove and inserts onto the superior aspect of the labrum of the glenohu. 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. At the elbow the bicep tendon most often tears during the act of lifting a heavy object for example a couch or a refrigerator.
It also transmits a branch of the anterior humeral. Biceps tendon pathology is often associated with rotator cuff rc pathology.