Muscle function

Question 1

What is the function of the gastrocnemius?

Answer 1

plantar flexor of foot pushing body forwards when walking. Flex leg at knee

Question 2

What is the function of the peroneus brevis?

Answer 2

Extends and abducts foot

Question 3

What is the function of the semimembranosis?

Answer 3

Flex and rotate leg medially and extend thigh

Question 4

What is the function of the Biceps femorus?

Answer 4

Flex and rotate leg laterally and extend thigh

Question 5

What is the function of the Gluteus maximus?

Answer 5

Leg to straighten at the hip in activities. Assists in raising from sitting position and extend thigh

Question 6

What is the function of the Gluteus medius?

Answer 6

Outwards rotation of thigh

Question 7

What is the function of the extensor digitorum?

Answer 7

extends fingers and wrist

Question 8

What is the function of the extensor carpi radialus?

Answer 8

extends the wrist

Question 9

What is the function of the Internal oblique?

Answer 9

Rotate trunk

Question 10

What is the function of the lastissimus dorsi?

Answer 10

Adduction of arm, extension of arm, rotates arm

Question 11

What is the function of the Triceps brachii?

Answer 11

Extension and retraction of forearm. Stabilise shoulder joint

Question 12

What is the function of the Rhomboid?

Answer 12

Retract scapula

Question 13

What is the function of the Occipitalus?

Answer 13

Extends scalp allowing movement of eyebrows

Question 14

What is the function of the Soleus?

Answer 14

Plantar flexion of foot

Question 15

What is the function of the Extensor digitorum longus?

Answer 15

Dorsiflexion and eversion of foot. Extension of toes

Question 16

What is the function of the Peroneus longus?

Answer 16

Plantar flexes and everts foot at ankle

Question 17

What is the function of the Tibialus anterior?

Answer 17

Dorsiflexor of foot

Question 18

What is the function of the vastus intermedius?

Answer 18

Assists in knee extension and holds body up

Question 19

What is the function of the vastus medialus?

Answer 19

Allows knee extension and correct tracking of patella

Question 20

What is the function of the vastus lateralis?

Answer 20

Extends lower leg and allows body to rise from squat

Question 21

What is the function of the Rectus femoris?

Answer 21

Primary extensor of knee and flexes thigh

Question 22

What is the function of the Adductor longus?

Answer 22

Adducts thigh, assists in flexing and rotating to side

Question 23

What is the function of the gracilius?

Answer 23

Adducts thigh and flex and rotate leg medially at knee

Question 24

What is the function of the Sartorius?

Answer 24

Flexor and rotator of thigh at hip

Question 25

What is the function of the Flexor digitorum profundus?

Answer 25

Flex distal joints

Question 26

What is the function of the rectus abdominius?

Answer 26

Moves trunk back, forwards and sideways

Question 27

What is the function of the Flexor carpi ulnaris?

Answer 27

Flex and adducts wrist

Question 28

What is the function of the Brachioradialus?

Answer 28

Aids in flexing elbow

Question 29

What is the function of the Biceps brachii?

Answer 29

Allows lifting at elbow, also assists in shoulder movement

Question 30

What is the function of the Pectoralis major?

Answer 30

Flexion of humerus, adducts humerus, rotates humerus and keeps arm attached to body

Question 31

What is the function of the Deltoid?

Answer 31

Allows wide range of movement of arm at shoulder

Question 32

What is the function of the Trapezius?

Answer 32

Moves, rotates and stabilizes scapula. Also extends head from neck

Question 33

What is the function of the Sternocleidomastoid?

Answer 33

Rotates the head and flexes neck

Question 34

What is the function of the Masseter?

Answer 34

Used for mastication. In use when jaw closes

Question 35

What is the function of the Temporalis?

Answer 35

Used for mastication and opening and closing of jaw