Lecture 4

Question 1

What are the muscles of the rotator cuff?

Answer 1

Supraspinatus
Infraspinatus
Teres minor
Subscapularis

and they reinforce the shoulders

Question 2

What are the anterior flexor muscles?

Answer 2

Brachialis and biceps brachii-forearm flexors

• Biceps brachii-two heads, superficial
• brachialis-deeper

Question 3

What are the posterior extensor muscles?

Answer 3

triceps brachii-
forearm extension
three headed origin
-inserts into olecranon process of ulna

Question 4

What does the supinator do?

Answer 4

supinates the form along with the brachii

Question 5

What do pronators do?

Answer 5

Pronate the forearm

Question 6

What are the muscles of the forearm?

Answer 6

flexor carpi radialis-lateral wrist flexor (abduction)
flexor carpi ulnaris- medial wrist flexor (adduction)
Palmaris longus
flexor digitorum muscles-finger flexor
flexor pollicus longus- thumb flexor

Question 7

What are the extensors of the muscles of the hand?

Answer 7

Extensor carpi radialis 
extensor carpi ulnaris 
Extensor digitorum- finger extensor
extensor indicis- index finger
extensor pollicis-thumb extensor 
abductor pollicis longus-thumb abductor

Question 8

What is the name of the ball of the thumb?

Answer 8

Thenar eminence (ball of thumb)

• contains muscles that move the thumb
  
  • abduction
  • adduction
  • flexion
  • extension
  • opposition

Question 9

What is the ball of the little finger?

Answer 9

hypothenar eminence

-contains muscles for the little finger

Question 10

What is the name of the little finger?

Answer 10

Digiti mnimi

Question 11

How muscles flex the hip and extend the knee?

Answer 11

Anterior muscles

Question 12

What muscles extend the thigh and flex the leg?

Answer 12

Posterior muscles

Question 13

What muscles adduct the thigh?

Answer 13

medial muscles

Question 14

What are the adductors of the thigh?

Answer 14

Magnus
Longus
Brevis

Question 15

What is the gracilis?

Answer 15

superficial muscle of the medial thigh

Question 16

What muscle flexes the thigh?

Answer 16

Iliopsoas

Question 17

What muscles make up the hamstrings?

Answer 17

1. ) bicep femoris
2. ) semitendinosus
3. ) Semimembranosus

Question 18

What is the prime mover during forceful extension in the hamstring?

Answer 18

gluteus maximus- extends and abducts the thigh

Question 19

What muscles abduct and medially rotate the thigh?

Answer 19

Gluteus medius and minimus

Question 20

What anterior muscles of the thigh??

Answer 20

Quadriceps femoris
- prime knee extensor
Rectus femoris-most superficial 
vastus medialis 
Vastus lateralis 
Vatus intermedius

Question 21

What muscle encases the patella?

Answer 21

quadriceps tendon

Question 22

What is responsible for the primary toes extensor and ankle dorsiflexors?

Answer 22

• Tibialis anterior-main dorsiflexor
• Extensor digitorum longus
• extensor hallucis longus

Question 23

What are the muscles of the posterior leg?

Answer 23

Plantar flexion

• gastrocnemius- calf muslce
• soleus- deep to gastrocnemius
  
  • insert into calcaneus via achiles’ tendon

Flexors of the toes
tibialis posterior
flexor digitorium longus
flexor hallucis longus

Question 24

What does RICE mean?

Answer 24

Rest
Ice
Compression
elevate