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Upper limb, Forearm, anatomical snuffbox, Right/left ulna: first metacarpal: posterior interosseous artery: posterior interosseous nerve (C7, C8) abducts and extends thumb: adductor pollicis: 2 1 extensor pollicis brevis: Upper limb, Forearm, anatomical snuffbox, Right/left radius, interosseous membrane of forearm: proximal phalanx of thumb
The word pronator comes from the Latin pronus, which means “inclined forward or lying face downward”, and has to do with the muscle's action being pronation of the forearm. The Latin term teres, which means "round or cylindrical shaped" or "long and round", refers to the shape of the muscle.
Electromyography test shows slight neural damage at the biceps and the brachialis muscles with slower motor and sensory conduction over the Erb's point. [8] In indirect trauma, violent abduction and retroposition of the shoulder can stretch the nerve and result tension of the coracobrachialis with musculocutaneous nerve lesion. Those with this ...
The teres major muscle (from Latin teres, meaning "rounded") is positioned above the latissimus dorsi muscle and assists in the extension and medial rotation of the humerus. This muscle is commonly confused as a rotator cuff muscle, but it is not, because it does not attach to the capsule of the shoulder joint , unlike the teres minor muscle ...
The shoulder girdle [5] or pectoral girdle, [6] composed of the clavicle and the scapula, connects the upper limb to the axial skeleton through the sternoclavicular joint (the only joint in the upper limb that directly articulates with the trunk), a ball and socket joint supported by the subclavius muscle which acts as a dynamic ligament. While ...
The brachialis (brachialis anticus) is a muscle in the upper arm that flexes the elbow. It lies beneath the biceps brachii, and makes up part of the floor of the region known as the cubital fossa (elbow pit). It originates from the anterior aspect of the distal humerus; [1] it inserts onto the tuberosity of the ulna.
Muscles of the upper limb (1 C, 70 P) N. ... Veins of the upper limb (17 P) Pages in category "Upper limb anatomy" ... Neer impingement test; O.
The distal part of the upper limb between the elbow and the radiocarpal joint (wrist joint) is known as the forearm or "lower" arm, and the extremity beyond the wrist is the hand. By anatomical definitions, the bones , ligaments and skeletal muscles of the shoulder girdle , as well as the axilla between them, are considered parts of the upper ...