Lab 18

Question 1

Origin ribs one through eight insertion vertebral border of scapula action Abducts scapula

Answer 1

Serratus anterior

Question 2

Origin lower ribs insertion central tendon action inspiration

Answer 2

Diaphragm

Question 3

Origin ribs five through 12 insertion linea alba action laterally rotates trunk

Answer 3

External abdominal oblique

Question 4

Origin spines of T2-5 insertion lower one third of vertebral border of scapula action adducts scapula

Answer 4

Rhomboid major