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Subscapularis
The subscapularis is an intrinsic muscle of the shoulder region. It is part of the rotator cuff muscle group. Attachments: Originates from the subscapular fossa (anterior surface of the scapula)….
Teres Minor
The teres minor is an intrinsic muscle of the shoulder region. It is part of the rotator cuff muscle group. Attachments: Originates from the posterior surface of the scapula, adjacent…
Rhomboid Major
The rhomboid major is an extrinsic muscle of the shoulder. It is located deep to the trapezius, and inferior to the rhomboid minor. Attachments: Originates from the spinous processes of…
Rhomboid Minor
The rhomboid minor is an extrinsic muscle of the shoulder. It is located deep to the trapezius, and superior to the rhomboid major. Attachments: Originates from the spinous processes of…
The Radial Nerve
…The radial nerve can be damaged in the axilla region by a dislocation at the shoulder joint, or a fracture of the proximal humerus. Occasionally, it is injured via excessive…
Major Arteries of the Head and Neck
…trapezius and rhomboid muscles. Lastly, the suprascapular artery arises. It supplies the posterior shoulder area. By TeachMeSeries Ltd (2024) Fig 1.5 – Lateral view of the neck, showing the…
Venous Drainage of the Upper Limb
…antero-lateral aspect of the upper limb, passing anteriorly at the elbow. At the shoulder, the cephalic vein travels between the deltoid and pectoralis major muscles (known as the deltopectoral groove),…
Development of the Limbs
The upper and lower limbs (including the shoulder girdle and pelvic girdle) begin development in the 4th week of gestation. Usually the upper limb begins development first, with the lower…
The Peritoneum
…duodenum) may result in shoulder tip pain. Referred Pain in Appendicitis Initially, pain from the appendix (midgut structure) and its visceral peritoneum is referred to the umbilical region. As the…
Joints of the Upper Limb
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