muscular system pt 2 (45-70)

Question 1

what are the muscles that move the forearm at the elbow

Answer 1

• Biceps brachii
• Triceps brachii
• Brachioradialis

Question 2

Biceps brachii function

Answer 2

flexes forearm at the elbow and supinates the forearm

Question 3

triceps brachii function

Answer 3

extends forearm at the elbow

Question 4

Brachioradialis function

Answer 4

flexes the forearm

Question 5

what are the muscles that move the hand and fingers

Answer 5

• flexor carpi radialis
• flexor carpi ulnaris
• extensor carpi radialis longus
• extensor carpi ulnaris
• supinator

Question 6

flexor carpi radialis function

Answer 6

flexes the hand at the wrist, and abducts the hand at the wrist

Question 7

flexor carpi ulnaris function

Answer 7

flexes the hand at the wrist and adducts the hand at the wrist

Question 8

extensor carpi radialis longus function

Answer 8

extends and abducts the hand at the wrist

Question 9

extensor carpi ulnaris function

Answer 9

extends and adducts the hand at the wrist

Question 10

supinator function

Answer 10

supinates the forearm at the elbow with the biceps brachii

Question 11

what are the muscles that move the thigh at the hip

Answer 11

• Iliopsoas
• gluteus maximus
• gluteus medius
• gluteus minimus

Question 12

Iliopsoas function

Answer 12

flexes thigh and trunk, and laterally flexes the vertebral column

Question 13

gluteus maximus function

Answer 13

extends thigh when it is elevated, laterally rotates and abducts the thigh

Question 14

gluteus medius function

Answer 14

abducts and medially rotates the thigh

Question 15

gluteus minimus function

Answer 15

abducts and medially rotates the thigh

Question 16

muscles that move the thigh at the hip, the leg at the knee, or both
( anterior view)

Answer 16

• Sartorius
  Quadriceps femoris
• Rectus femoris
• vastus lateralis
• vastus medialis
• vastus intermedius

Question 17

sartorius function

Answer 17

flexes, abducts and laterally rotates the thigh; flexes the thigh at the knee

Question 18

rectus femoris function

Answer 18

extends the leg at the knee and flexes the thigh at the hip

Question 19

vastus lateralis function

Answer 19

extends the leg at the knee

Question 20

vastus medialis function

Answer 20

extends the leg at the knee

Question 21

vastus intermedius function

Answer 21

extends the leg at the knee

Question 22

Muscles that move the thigh at the hip, the leg at the knee or both
(posterior view)
*Hamstring

Answer 22

• Biceps femoris
• semitendinosus
• semimembranosus

Question 23

biceps femoris function

Answer 23

extends the thigh at the hip; laterally rotates the leg at the knee; flexes the leg at the knee

Question 24

semitendinosus function

Answer 24

extends the thigh at the hip; flexes the leg at the knee; medially rotates the leg

Question 25

semimembranosus function

Answer 25

extends the thigh at the hip; flexes the leg at the knee; medially rotates the leg

Question 26

muscles that move the thigh at the hip, the leg at the knee, or both
(medial view)

Answer 26

• Adductor Longus
• Adductor Magnus
• Adductor Brevis

Question 27

Adductor Longus function

Answer 27

Adducts, medially rotates and flexes the thigh at the hip

Question 28

Adductor Magnus function

Answer 28

Adducts, medially rotates and flexes the thigh at the hip

Question 29

Adductor Brevis function

Answer 29

Adducts, medially rotates and flexes the thigh at the hip

Question 30

muscles that move the leg, foot, and toes
(Anterior view)

Answer 30

• Tibialis anterior medial
• Fibularis Tertius

Question 31

Tibialis Anterior medial function

Answer 31

Dorsiflexion, inverts the foot, supports longitudinal arch of the foot

Question 32

Fibularis Tertius function

Answer 32

Dorsiflexion and eversion of the foot

Question 33

Muscles that move the leg, the foot and toes
(Lateral view)

Answer 33

• Fibularis Longus
• Fibularis Brevis

Question 34

Fibularis Longus function

Answer 34

Plantar flexion and eversion of the foot

Question 35

Fibularis Brevis function

Answer 35

Plantar flexion and eversion of the foot

Question 36

muscles that move the leg, the foot and toes
(Posterior view)

Answer 36

• Gastrocnemius
• Soleus
• Tibialis Posterior

Question 37

Gastrocnemius function

Answer 37

Plantar flexes the foot when knee is extended; flexes the leg at the knee

Question 38

Soleus function

Answer 38

Plantar flexes the foot

Question 39

Tibialis Posterior function

Answer 39

Inverts foot, plantar flexes the foot