Muscles Quiz 1

Question 1

Pectoralis Major Action

Answer 1

Flexes (upper pec), medially rotates(mid pec) and adducts shoulder (lower pec)

Question 2

Pectoralis Major Insertion

Answer 2

Intertubercular groove of the humerus

Question 3

Pectoralis Major Origin

Answer 3

Clavicle, sternum, costal cartilage of ribs 1-6

Question 4

Pectoral Major Nerves

Answer 4

Medial and lateral

Question 5

Pectoralis Minor Nerves

Answer 5

Medial pectoral

Question 6

Pectoralis Minor Action

Answer 6

Depresses scapula, elevates ribs

Question 7

Pectoralis Minor Insertion

Answer 7

Coracoid process of scapula

Question 8

Pectoralis Minor Origin

Answer 8

Ribs 3-5

Question 9

Serratus Anterior Origin

Answer 9

Ribs 1-8

Question 10

Serratus Anterior Action

Answer 10

Protracts scapula

Question 11

Serratus Anterior Insertion

Answer 11

Medial border of scapula

Question 12

Serratus Anterior Nerves

Answer 12

Long thoracic

Question 13

External Intercostals Origin

Answer 13

Inferior border of rib

Question 14

External Intercostals Insertion

Answer 14

Superior Border of rib

Question 15

External Intercostals Action

Answer 15

Elevates ribs

Question 16

External Intercostals Nerves

Answer 16

Intercostal

Question 17

Internal Intercostals Origin

Answer 17

Superior border of rib

Question 18

Internal Intercostals Insertion

Answer 18

Inferior border of ribs

Question 19

Internal Intercostals Action

Answer 19

Depresses ribs

Question 20

Internal Intercostals Nerves

Answer 20

Intercostal