Shoulder

Deltoid Posterior Head

Deltoid Posterior Head

The deltoid is a large, thick, triangular muscle of the shoulder girdle (pectoral girdle) that assists in movements of the shoulder and arm. It consists of three heads: the anterior, or clavicular, head covers the front of the shoulder; the middle, or acromial, head covers the lateral part of the shoulder; and the posterior, or

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Deltoid Lateral Head

Deltoid Lateral Head

The deltoid is a large, thick, triangular muscle of the shoulder girdle (pectoral girdle) that assists in movements of the shoulder and arm. It consists of three heads: the anterior, or clavicular, head covers the front of the shoulder; the middle, or acromial, head covers the lateral part of the shoulder; and the posterior, or

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Deltoid Anterior Head

Deltoid Anterior Head

The deltoid is a large, thick, triangular muscle of the shoulder girdle (pectoral girdle) that assists in movements of the shoulder and arm. It consists of three heads: the anterior, or clavicular, head covers the front of the shoulder; the middle, or acromial, head covers the lateral part of the shoulder; and the posterior, or

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