1. what is the purpose of the shoulder girdle muscles?
2. what muscle is also known as the shoulder cap muscle?
3. which muscle is superficial to the pectoralis minor?

1. shoulder girdle is the set of bones which connect to each upper limb of human body.

Explanation:

1. the shoulder girdle give rigidity to the arms and give motion to them.

2. Deltoid muscle is known as the shoulder cap muscle. It is located at the top of the joint of scapula, clavicle and humerus.

3. Pectoralis major is superficial to the pectoralis minor. Pectoralis major helps to move the arms.

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