The Shoulder Girdle

Question 1

Elevators
Upper section of the trapezius muscle

Answer 1

origins:
occipital protuberance
spinous processes of upper C-spine
insertions:
superior side of scapular spine
distal 1/3 clavicle
acromion

Question 2

Elevator
levator scapula

Answer 2

origin:
transverse processes of C1-C4
insertions:
vertebral border of scapula from superior angle to base of scapular spine

Question 3

Retractor
middle trapezius

Answer 3

origin:
spinous processes of C7-T3
insertions: scapular spine & acromion

Question 4

Retractor
rhomboideus minor

Answer 4

origin:
spinous processes of C7-T1
insertions:
vertebral border of scapula from superior angle to base of scapular spine

Question 5

Retractor
rhomboideus major

Answer 5

origin:
spinous processes of T2-T5
insertions:
vertebral border of scapula from the base of the spine to the inferior angle

Question 6

Protractor
pectoralis minor

Answer 6

origin:
anterior side of ribs 3-5
insertions:
coracoid process of scapula

Question 7

Protractor
serratus anterior

Answer 7

origin:
lateral side of ribs 1-8
insertions:
anterior side of vertebral border of scapula