Week 4 Quiz UE MMT

Question 1

Which action(s) does this muscle perform?

latissimus dorsi

Answer 1

• shoulder ext
• shoulder ADD
• shoulder IR
• scapular depression

Question 2

Which action(s) does this muscle perform?

teres major

Answer 2

• shoulder ext
• shoulder ADD
• shoulder IR

Question 3

Which action(s) does this muscle perform?

rhomboids

Answer 3

• scapular retraction
• scapular downward rotation

Question 4

Which action(s) does this muscle perform?

deltoids

(separate into anterior, middle, and posterior)

Answer 4

• anterior: shoulder flex, IR, horizontal ADD
• middle: shoulder ABD to 90º
• posterior: shoulder ext, ER, horizontal ABD

Question 5

Which action(s) does this muscle perform?

supraspinatus

Answer 5

• shoulder ABD

Question 6

Which action(s) does this muscle perform?

infraspinatus

Answer 6

• shoulder ER
• shoulder horizontal ABD

Question 7

Which action(s) does this muscle perform?

pectoralis major

Answer 7

• shoulder ADD
• shoulder IR
• shoulder horizotal ADD
• shoulder ext (sternal head)
• flex (clavicular head)

Question 8

Which action(s) does this muscle perform?

upper trapezius

Answer 8

• scapular elevation
• scapular upward rotation

Question 9

Which action(s) does this muscle perform?

biceps brachii

Answer 9

• elbow flex (forearm sup)
• shoulder flex

Question 10

Which action(s) does this muscle perform?

brachialis

forearm position?

Answer 10

• elbow flex (forearm pron)

Question 11

Which action(s) does this muscle perform?

brachioradialis

forearm position?

Answer 11

• elbow flex (forearm neutral)

Question 12

Which action(s) does this muscle perform?

triceps brachii

Answer 12

• elbow ext

assists shoulder ext

Question 13

Which action(s) does this muscle perform?

extensor carpi radialis
extensor carpi ulnaris

(synergistic)

Answer 13

• wrist ext

Question 14

Which action(s) does this muscle perform?

flexor carpi radialis
flexor carpi ulnaris

(synergistic)

Answer 14

• wrist flex

Question 15

Which action(s) does this muscle perform?

extensor carpi radialis
flexor carpi radialis

(synergistic)

Answer 15

• wrist RD

Question 16

Which action(s) does this muscle perform?

extensor carpi ulnaris
flexor carpi ulnaris

(synergistic)

Answer 16

• wrist UD

Question 17

What muscles compose this group?

thenar eminus

(thumb muscles)

Answer 17

• opponens pollicis
• adductor pollicis
• abductor pollicis
• flexor pollicis brevis
• abductor pollicis longus
• extensor pollicis longus
• extensor pollicis brevis
• flexor pollicis longus

Question 18

What muscles compose this group?

hypothenar eminence

(pinky muscles)

Answer 18

• abductor digiti minimi
• flexor digiti minimi brevis
• opponens digiti minimi

Question 19

shoulder flex

1. What are the preferred positions for MMT?
2. Location of palpation

AG & GR

Answer 19

1. AG: sitting or supine (only to 90º flex)
   GR: SL opposite side
2. ant prox shoulder

Question 20

shoulder ext

1. What are the preferred positions for MMT?
2. Location of palpation

AG & GR

Answer 20

1. AG: sitting, prone
   GR: SL opposite side
2. post prox shoulder or lower trunk

Question 21

shulder ABD

1. What are the preferred positions for MMT?
2. Location of palpation

AG & GR

Answer 21

1. AG: sitting, sidelying (opposite only to 90º)
   GR: supine, prone
2. lat prox shoulder

Question 22

shulder ER

1. What are the preferred positions for MMT?
2. Location of palpation

AG & GR

Answer 22

1. AG: supine, SL opposite, sitting
   GR: sitting
2. post scapula, inf to scapular spine

Question 23

shoulder IR

1. What are the preferred positions for MMT?
2. Location of palpation

AG & GR

Answer 23

1. AG: supine
   GR: sitting
2. pec major, ant deltoid