muscle action(s)

Question 1

pectoralis major muscle action(s)

Answer 1

shoulder flexion, horizontal ADduction

Question 2

rectus abdominus muscle action(s)

Answer 2

spinal flexion

Question 3

sternocleidomastoid muscle action(s)

Answer 3

rotates head obliquely (down + in)

Question 4

anterior deltoid muscle action(s)

Answer 4

shoulder flexion, medial rotation of shoulder

Question 5

middle/lateral deltoid muscle action(s)

Answer 5

shoulder ABduction

Question 6

posterior deltoid muscle action(s)

Answer 6

shoulder hyperextension, horizontal ABduction

Question 7

gluteus maximus muscle action(s)

Answer 7

hyperextends hip, leg/hip ADduction

Question 8

gluteus medius muscle action(s)

Answer 8

hyperextends hip, leg/hip ABduction

Question 9

tibialis anterior muscle action(s)

Answer 9

dorsiflexion

Question 10

gastrocnemius + soleus muscle action(s)

Answer 10

plantarflexion

Question 11

rectus femoris muscle action(s)

Answer 11

extends knee + flexes hip

Question 12

sartorius muscle action(s)

Answer 12

flex knee, flexes hip