Muscles that move the scapula

Question 1

Trapezius

Answer 1

3 functional regions that produce different movements - upper, middle, lower.

Origin -occipital bone, nuchal ligament, SP’s C7-T12

Insertion - spine and acromion of scapula and lateral 1/3 of clavicle

Action -
scapula: depress, elevate, retract
head/neck: E, LF, R

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Question 2

Rhomboids (major and minor)

Answer 2

Origin: SP’s C7-T5 and nuchal lig.
Insertion: vertebral boarder of scapula
Action: retract scapula

Question 3

Levator Scapulae

Answer 3

Origin - TP’s of C1-C4
Insertion- Upper vertebral boarder of scapula
Action - elevate scapula, LF of neck

Question 4

Serratus Anterior

Answer 4

Origin - lateral surface of upper 8 or 9 ribs
Insertion - anterior surface of vertebral boarder of the scapula
Action - protract the scapula

Question 5

Pectoralis minor

Answer 5

Origin - ribs 3-5 near costal cartilage
insertion - coracoid process of scapula
action - depress and protract scapula