Muscles that Position the Pectoral Girdle

Question 1

Levator Scapulae Origins

Answer 1

Vertebrae C1-C4

Question 2

Levator Scapulae Insertion

Answer 2

Vertebral border of scapula

Question 3

Levator Scapulae Action

Answer 3

Elevates scapula

Question 4

Pectoralis Minor Origin

Answer 4

Ribs 3-5

Question 5

Pectoralis Minor Insertion

Answer 5

Coracoid process of the scapula

Question 6

Pectoralis Minor Action

Answer 6

Ribs fixed= Pulls scapula downward and forward

Scapula fixed= Assists in inspiration

Question 7

Rhomboid Minor Origin

Answer 7

Vertebrae C7-T1

Question 8

Rhomboid Minor Insertion

Answer 8

Medial border of the scapula

Question 9

Rhomboid Minor Action

Answer 9

Adducts the scapula

Question 10

Rhomboid Major Origin

Answer 10

Vertebrae T1 & T5

Question 11

Rhomboid Major Insertion

Answer 11

Medial border of the scapula

Question 12

Rhomboid Major Action

Answer 12

Adducts the scapula

Question 13

Subclavius Origin

Answer 13

Superior border of rib 1

Question 14

Subclavius Insertion

Answer 14

Inferior border of clavicle

Question 15

Subclavius Action

Answer 15

Depresses the clavicle

Question 16

Serratus Anterior Origin

Answer 16

Ribs 1-9

Question 17

Serratus Anterior Insertion

Answer 17

Medial border of the scapula

Question 18

Serratus Anterior Action

Answer 18

Scapula Fixator

Question 19

Trapezius Origin

Answer 19

Nuchal ligament of occipital bone

Question 20

Trapezius Insertion

Answer 20

Clavicle
Scapular Spine
Acromion of the scapula

Question 21

Trapezius Action

Answer 21

Contraction of upper fibers elevates the scapula
Contraction of lower fibers depresses the scapula
Contractor of all fibers adducts the scapula