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Questions and Answers
Which muscle is responsible for the protraction and upward rotation of the scapula?
What is the innervation of the Serratus anterior muscle?
Which joint connects the shoulder girdle bones to the axial skeleton anteriorly?
Which muscle is responsible for depression and stabilization of the clavicle?
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Which nerve is involved in the innervation of the Pectoralis minor muscle?
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Study Notes
Muscles of the Scapula
- The Serratus anterior muscle is responsible for the protraction and upward rotation of the scapula.
- The Serratus anterior muscle is innervated by the long thoracic nerve (C5-C7).
Shoulder Girdle Joints
- The sternoclavicular joint connects the shoulder girdle bones to the axial skeleton anteriorly.
Pectoralis Minor Muscle
- The Pectoralis minor muscle is responsible for depression and stabilization of the clavicle.
- The Pectoralis minor muscle is innervated by the medial pectoral nerve (C6-C8).
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Description
Test your knowledge of the components, movements, and muscles associated with the shoulder girdle. Learn about the connections to the axial skeleton and the functional significance of the shoulder girdle in increasing range of movement for the upper limb.
