Variation of the latissimus dorsi

Variation of the latissimus dorsi

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A typical muscle variation of latissimus dorsi - the axillary Wall Mount Shelving arch is represented by the muscular or fibromuscular slip detached from the anteroinferior border of the musculus latissimus dorsi passing over the axilla under the axillary fascia crossing the medial side of the brachial plexus to continue as a septum intermusculare mediale brachii distally to the medial epicondyle of humerus.The full extent of the muscle Cosmetic Bag is rarely present.Slips of muscle extend from the latissimus dorsi at the inferior angle of scapula to insert into pectoralis major (Langer), coracobrachilis, biceps or coracoid process forming what is described as a common variant - the muscular axillary arch.We report three cases of variants of latissimus dorsi, one of which has not been reported in the literature before.