Which bone forms the back of the shoulder girdle and is commonly known as the shoulder blade?

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Multiple Choice

Which bone forms the back of the shoulder girdle and is commonly known as the shoulder blade?

Explanation:
The scapula is the bone that forms the back of the shoulder girdle, commonly known as the shoulder blade. It sits on the posterior chest wall over ribs 2–7 and is a flat, triangular bone. It connects with the clavicle at the acromioclavicular joint and with the humerus at the glenohumeral joint, enabling shoulder movement. Its prominent features include the spine running across the back and the acromion, which extends laterally to meet the clavicle. In contrast, the clavicle is the collarbone at the front, the sternum is the breastbone in the center of the chest, and the humerus is the upper arm bone.

The scapula is the bone that forms the back of the shoulder girdle, commonly known as the shoulder blade. It sits on the posterior chest wall over ribs 2–7 and is a flat, triangular bone. It connects with the clavicle at the acromioclavicular joint and with the humerus at the glenohumeral joint, enabling shoulder movement. Its prominent features include the spine running across the back and the acromion, which extends laterally to meet the clavicle. In contrast, the clavicle is the collarbone at the front, the sternum is the breastbone in the center of the chest, and the humerus is the upper arm bone.

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