Bicipital Groove Pectoralis

Adduction horizontal adduction medial rotation of humerus clavicular head flexion of humerus sternocostal head extension of humerus and assists anterior tilt of scapula. The bicipital groove is typically 4 6 mm deep 1. 69 male specimens leaving the proximal humerus proximal biceps tendon and pectoralis major insertion.

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The authors dissected 42 fresh frozen cadaveric shoulders mean age 71 9 8 years.

Bicipital groove pectoralis. Lattisimus dorsi in. The insertion site at the distal aspect of the lateral bicipital groove is identiﬁed fig 1. The bicipital groove is an area. It also transmits a branch of the anterior humeral.

Bicipital groove or intertubercular groove divides the lesser and greater tubercles and afterwards proceeds interiorly over the. The bicipital groove also known as the intertubercular groove or the sulcus intertubercularis is a deep groove on the humerus bone that lodges the biceps. Our measurements showed both good inter and intra observer reliabilities demonstrating that this angle pm bmg is reliable. Pectoralis major at the lateral edge of the sulcus.

Three muscles are connected within the zone of this groove. 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. Evaluation of the clavicular and sternal heads of the pectoralis major is undertaken at this time. Pectoralis major w wave 10.

Both a b are correct b. Between the greater c. Lateral lip of bicipital groove of humerus. It also transmits a branch of the anterior humeral.

It contains the tendon of the long head of the biceps brachii muscle which is ensheathed in a synovial reflection of the. Fibers of the clavicular head of the pecto ralis major may remain intact into their insertion and can also be used as a reference. Teres major on the medial edge of the sulcus. The two portions of the pectoralis major muscle are the clavicular head and the.

The bicipital groove also known as the intertubercular sulcus or sulcus intertubercularis is the indentation between the greater and lesser tuberosities of the humerus that lodges the biceps tendon. 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. Where the long head of the biceps runs 11. Before its insertion into the humerus the pectoralis major crosses over both heads of the biceps muscle.

A deep intertubercular sulcus a k a. Both the bicipital groove and the pectoralis major tendon are easily identifiable in open shoulder surgery and are thus ideal candidates for anatomic landmarks. Where the short head of and lesser tubercle the triceps runs of the humerus d.