SCAPULAR UPWARD ROTATORS

Question 1

Scapular Upward Rotators:
Muscles Involved (2)

Answer 1

Trapezius and Serratus Anterior

Question 2

Origin: Trapezius

Answer 2

Occipital bone, ligamentum nuchae, spine of C7 and all thoracic vertebrae

Question 3

Insertion: Trapezius

Answer 3

Upper Fiber: lateral 3rd of clavicle
Middle-Lower Fiber: acromion
and spine of scapula

Question 4

Nerve Supply: Trapezius

Answer 4

CN XI

Question 5

Action: Trapezius

Answer 5

UF: elevate the scapula
MF: pulls the scapula medially
LF: pulls scapula downward

Question 6

Origin: Serratus Anterior

Answer 6

Upper 8 ribs

Question 7

Insertion: Serratus Anterior

Answer 7

Medial border and inferior angle of scapula

Question 8

Nerve Supply: Serratus Anterior

Answer 8

Long Thoracic Nerve

Question 9

Action: Serratus Anterior

Answer 9

Rotates Scapula