Muscles

The biceps flexor cubiti (French: muscle biceps-brachial) - named from its two heads and its action - is a thick, somewhat flattened fusiform muscle with a bifid upper extremity.

The infraspinatus muscle (French: Muscle infraépineux) is named from its position below the spine of the scapula - is a fan-shaped, thick, triangular sheet.

The subscapularis muscle (French: muscle sous-scapulaire)- named from its position beneath the scapula - is a thick triangular and somewhat multipenniform sheet.

The triceps extensor cubiti (french: Triceps brachial), named from its three heads and its action - formi a thick fusiform sheet wrapping round the posterior surface of the humerus in iti whole length.

The deltoid muscle (French: muscle Deltoïde; latin : deltoideus) is fleshy from the lateral border and upper surface of the acromion and from the ventral border and upper surface of the lateral third of the clavicle, and tendinous from the spine of the scapula. Some fibre-bundles also at times arise from the deep fascia of the muscle where it overlies and is fused to the fascia of the infraspinatus muscle near the spine.

The flexor carpi radialis - named from its action as a flexor of the wrist and its position on the radial side of the joint - is flat and fusiform.

The teres major muscle (french : muscle grand rond)- named from its somewhat cylindrical shape and its size - is a thick ribbon-shaped muscle.

The flexor carpi ulnaris- named from its influence upon the wrist and its position - is a thick sheet of muscular fibre, somewhat fusiform in shape, which wraps round the convex ulnar border of the forearm.

The teres minor muscle named from its being the lesser of two somewhat cylindrical muscles is a thick but narrow triangular or fan-shaped sheet.

The flexor profundus digitorum- named from its action upon the fingers and jts relation to their superficial flexor - is a strong fusiform sheet of muscular fibres ,vhich wraps round the anterior and inner surfaces of the ulna, and divides below into four tendons for the fingers.

The supra-spinatus muscle (French: Muscle supra-épineux) is named from its position above the spine of the scapula. It is a somewhat fan-shaped, thick triangular sheet.

The pronator teres (Pronator radii teres), named from its action and somewhat cylindrical shape, is a thick ribbon-shaped muscle.

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