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Muscles of the Upper Limb Pectoralis minor ORIGIN: anterior surface of ribs 3 – 5 INSERTION: coracoid process (scapula) Muscles Stabilizing Pectoral Girdle ... (humerus) Muscles Moving Arm INNERVATION: thoracodorsal nerve ACTION: extends / adducts arm . 11/9/2012 6 Subscapularis (Posterior view) Muscles Moving Arm ORIGIN:
30 paź 2023 · The humerus is the longest and largest bone of the upper limb. It consists of a proximal end, a shaft and a distal end, all which contain important anatomical landmarks. The humerus articulates with the scapula proximally at the glenohumeral joint so it participates in the movements of the shoulder.
13 lis 2023 · Major muscles of the shoulder, arm, forearm and hand. The upper limb (upper extremity) is truly a complex part of human anatomy. It is best studied broken down into its components: regions, joints, muscles, nerves, and blood vessels.
Deep to the pectoralis major muscle lies a group of associated muscles and fascia: the clavipectoral fascia, the subclavius and pectoralis minor muscles (Fig. 11). The costocoracoid fascia is that part of the clavipectoral fascia which is situated superomedial to the pectoralis minor muscle.
D-Muscles of Shoulder * They are 6 muscles connecting the scapula to the upper part of the humerus. * Origin: Mostly from the scapula. * Insertion: in the humerus. * Nerve supply: by nerves from C5&6. * Action: on the shoulder joint. * They include: 1. Supraspinatus (SS) ¦ in suparaspinous fossa. SS SS
8 sie 2023 · Muscles. The primary muscle group that supports the shoulder joint is the rotator cuff muscles. The four rotator cuff muscles are the supraspinatus, infraspinatus, teres minor, and subscapularis. Together the rotator cuff muscles form a musculotendinous cuff as they insert on the proximal humerus.
3 lis 2023 · The muscles are grouped into anterior and posterior compartments by the septa that attach to the humerus. The anterior compartment contains the coracobrachialis , brachialis and biceps brachii muscles .
