Bicipital Groove Artery

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. The contents of this groove are long head of biceps brachii synovial sheath and ascending branch of anterior circumflex humeral artery. Confirmed by computed tomography angiography in cadaveric shoulder that the arterial supply of the lhbt in the bicipital groove always derived from an ascending branch of the acha.

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Bicipital Groove Wikipedia

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Furthermore it serves as a reference muscle for the nerve roots c5 and c6.

Bicipital groove artery. Bicipital groove of right humerus. It also transmits a branch of the anterior humeral circumflex artery to the shoulder joint. The preoperative and postoperative csa and vascularity grades were compared. The cross sectional area csa of the biceps tendon in the bicipital groove was measured and the vascularity in the bicipital groove was graded as 0 to 3 based on the signal density of the anterior circumflex artery using power doppler ultrasonography.

Each sideward branch deriving from the main ascending branches of the anterior humeral circumflex artery acha in the mesotenon of the lhbt was identified and. 2 coracobrachialis muscle. In this exam the biceps reflex is tested by striking the insertion tendon with a hammer and thus activating a contraction of the muscle. Bicipital groove or intertubercular sulcus is bounded by lesser tubercle medially and greater tubercle laterally.

The pulse of the brachial artery can be felt in the medial bicipital groove. The radial sulcus also known as the musculospiral groove radial groove or spiral groove is a broad but shallow oblique depression for the radial nerve and deep brachial artery it is located on the center of the lateral border of the humerus bone. The left subclavian artery is a branch of. Identified the main artery in the mesotenon as recurrent branch of the brachial artery in their gross anatomical.

The medial bicipital groove is seen on the surface anatomy of the upper arm it is formed by the longitudinal hollow between the biceps and triceps muscles. The groove is bridged by transverse humeral ligament. Bicipital groove or intertubercular groove divides the lesser and greater tubercles and afterwards proceeds interiorly over the proximal shaft of the humerus the tendon of the long head of the biceps brachii travels via this sulcus. 11 in contrast determe et al.

This ligament has been found to be ossified. A deep intertubercular sulcus a k a. The bicipital groove including the lhbt and its intact sheath was cut en bloc fixated sliced in 7 μm sections azan stained and the vascular anatomy analyzed under light microscopy. Hereby the artery is pushed with the fingertips against the humerus in the medial bicipital groove.

3 ascending branch of anterior circumflex artery. It should be distinguished from the bicipital groove or intertubercular sulcus which is not a surface anatomy structure. Content s of bicipital groove is 1 radial artery.