Medicine and new technologies

The pectoralis minor muscle

The pectoralis minor (french: muscle petit pectoral) - named from its being the smaller of the two muscles which arise from the front of the chest - is a fan- shaped or triangular sheet, with its inner edge divided into three teeth.

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Buccinator muscle - Transverse Muscles of the Mouth

This group comprises only the buccinator muscle.

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The pectoralis major muscle

The pectoralis major (french : muscle grand pectoral) named from its being the larger of the two muscles which arise from the front of the chest (pectus = breast) - is a thick, triangular, fan-shaped sheet ; or, more accurately, it may be likened to the sector of a circle on account of le curved origin, from which all the fibres converge to the upper part of the humerus as a center.

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Palmaris brevis muscle

The palmaris brevis - named from its position in the palm of the hand, and its small size - is a small quadrilateral sheet.

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The serratus anterior muscle

The serratus anterior muscle (Latin: serratus magnus; French: muscle dentelé antérieur) - named from its serrated or saw-like anterior border and large size - is an irregular quadrilateral sheet curved to the shape of the side of the thorax. Its anterior attached border has a somewhat sinuous curve and arises from the side of the thorax by nine or ten digitations or teeth, which, by their saw-like appearance, give the muscle its name. The muscle may be divided into an upper, middle, and lower part.

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Abductor minimi digiti muscle

The abductor minimi digiti - named from its action - is fusiform and somewhat flattened.

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Triceps muscle

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.

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Flexor carpi radialis muscle

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.

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The rhomboid muscles, insertion, innervation, action

The rhomboid (latin : Rhomboidei ; french: Muscles Rhomboïdes) named from their shape, which is rhomboidal, or like a parallelogram - are sometimes looked upon as a single muscle, but may be usually separated into the following : Rhomboid minor muscle and Rhomboid major muscle.

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Flexor carpi ulnaris 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.

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The trapezius muscle

The trapezius (or cucullaris, as it has been called from its resemblance to a cowl = cucullus ; french : muscle trapèze) is named from τραπέζι, a table, on account of the four-sided figure formed by the muscles of the two sides. It is a fan-shaped sheet forming an obtuse-angled triangle, the long side of which corresponds with the spine.