Shoulder Girdle Anatomy Quiz

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5 Questions

Which joint connects the shoulder girdle bones to the axial skeleton anteriorly?

Sternoclavicular joint

Which muscle is responsible for depression of the shoulder and protraction of the scapula?

Pectoralis minor

Which nerve innervates the subclavius muscle?

Nerve to subclavius

What is the origin of the serratus anterior muscle?

Lateral part of upper 8 ribs

Which action is primarily associated with the serratus anterior muscle?

Protraction of scapula and upward rotation

Study Notes

Shoulder Anatomy

  • The sternoclavicular joint connects the shoulder girdle bones to the axial skeleton anteriorly.

Muscle Functions

  • The pectoralis minor muscle is responsible for depression of the shoulder and protraction of the scapula.

Muscle Innervation

  • The subclavius muscle is innervated by the nerve C5-C6.

Muscle Origin

  • The serratus anterior muscle originates from the surface of the scapula (1st to 9th ribs).

Muscle Actions

  • The serratus anterior muscle is primarily associated with the action of rotation of the scapula.

Test your knowledge of shoulder girdle anatomy! This quiz covers the components, movements, and muscles associated with the shoulder girdle, as well as its functions and connections to the axial skeleton. See how much you know about this crucial part of the human body.

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