Asked by: Dwarka Heusel
asked in category: General Last Updated: 1st January, 2020

What are 3 muscles attached only to the appendicular skeleton of the upper extremity?

The anterior muscles include the subclavius, pectoralis minor, and serratus anterior. The posterior muscles include the trapezius, rhomboid major, and rhomboid minor. When the rhomboids are contracted, your scapula moves medially, which can pull the shoulder and upper limb posteriorly.

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Just so, what muscles insert on the humerus?

The muscles attached to the humerus are the deltoid, pectoralis major, teres major, latissimus dorsi, infraspinatus, teres minor, biceps brachii, coracobrachialis muscle, brachioradialus, triceps brachii and the anconeus.

Additionally, how is the scapula attached to the axial skeleton? The pectoral girdle, consisting of the clavicle and the scapula, attaches each upper limb to the axial skeleton. The clavicle is an anterior bone whose sternal end articulates with the manubrium of the sternum at the sternoclavicular joint. The scapula lies on the posterior aspect of the pectoral girdle.

Then, what does the appendicular skeleton support?

Appendicular skeleton. The appendicular skeleton is the portion of the skeleton of vertebrates consisting of the bones that support the appendages. The appendicular skeleton includes the skeletal elements within the limbs, as well as supporting shoulder girdle pectoral and pelvic girdle.

Which type of muscle covers the bones of the upper arms?

The pectoral girdle, or shoulder girdle, consists of the lateral ends of the clavicle and scapula, along with the proximal end of the humerus, and the muscles covering these three bones to stabilize the shoulder joint.

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