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Questions and Answers
Which muscle originates from the occipital bone and spinous processes of C7 – T12?
Which muscle originates from the occipital bone and spinous processes of C7 – T12?
- Deltoid
- Pectoralis major
- Levator scapulae (correct)
- Rhomboids
Which muscle stabilizes and depresses the pectoral girdle?
Which muscle stabilizes and depresses the pectoral girdle?
- Trapezius
- Pectoralis minor
- Serratus anterior (correct)
- Subclavius
Which muscle inserts into the coracoid process of the scapula?
Which muscle inserts into the coracoid process of the scapula?
- Trapezius
- Pectoralis minor (correct)
- Subclavius
- Serratus anterior
Which muscle is responsible for adducting and rotating the scapula?
Which muscle is responsible for adducting and rotating the scapula?
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Which muscle is innervated by the axillary nerve and inserts into the deltoid tuberosity of the humerus?
Which muscle is innervated by the axillary nerve and inserts into the deltoid tuberosity of the humerus?
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Study Notes
Muscles of the Scapula and Arm
- The trapezius muscle originates from the occipital bone and spinous processes of C7 – T12.
- The pectoralis minor muscle stabilizes and depresses the pectoral girdle.
- The pectoralis minor muscle inserts into the coracoid process of the scapula.
- The serratus anterior muscle is responsible for adducting and rotating the scapula.
- The deltoid muscle is innervated by the axillary nerve and inserts into the deltoid tuberosity of the humerus.
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