Question

Muscles that move the pectoral girdle are closely associated with those muscles that move the __________.

Answer 1

Muscles that move the pectoral girdle are closely associated with those muscles that move the Arm.

The thorax contains the muscles that place and maintain the pectoral girdle. The subclavius, pectoralis minor, and serratus anterior are the anterior thoracic muscles. The trapezius, levator scapulae, rhomboid major, and rhomboid minor are the posterior thoracic muscles.

What is pectoral girdle?

• The clavicles (collarbones) and scapulae make up the shoulder, or pectoral girdle (shoulder blades). In humans, the clavicles connect the sternum (breastbone) medially and the scapulae laterally; however, the scapulae are only connected to the trunk through muscles.
• The pectoral girdle, or shoulder girdle, is a set of four bones that link the arm on both sides. The pelvic girdle is made up of the sacrum and the coccyx. The pelvic girdle's ilium, ischium, and pubis bones are made up of paired hip bones.
• The humerus is connected to the pectoralis major, latissimus dorsi, deltoid, and rotator cuff muscles, which move the arm. The forearm muscles, which include the triceps brachii, biceps brachii, brachialis, and brachioradialis, are positioned along the humerus.

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