Muscle and Muscle Actions

Question 1

What is the primary function of the anterior tibialis?

Answer 1

Dorsiflexion of ankle, inversion of foot

Question 2

What is the primary function of the Gastrocnemius?

Answer 2

Plantar flexion of ankle, flexion of knee

Question 3

What is the primary function of the soleus?

Answer 3

Plantar flexion at ankle

Question 4

What is the primary function of the Plantaris?

Answer 4

Flexion of knee, plantar flexion of the ankle.

Question 5

What is the primary function of the rectus femoris relating to the knee??

Answer 5

Extension (most effective when the hip is extended)

Question 6

What is the primary function of the Vastus lateralis, intermedius, and medialis?

Answer 6

Extension of the knee

Question 7

What is the primary function of the Biceps femoris relating to the knee?

Answer 7

Flexion and external rotation

Question 8

What is the primary function of the Semitendinosus relating to the knee?

Answer 8

Flexion and internal rotation.

Question 9

What is the primary function of the Semimembranosus relating to the knee?

Answer 9

Flexion and internal rotation

Question 10

What is the primary function of the Gracilis relating to the knee?

Answer 10

Flexion

Question 11

What is the primary function of the Sartorius?

Answer 11

Flexion and external rotation of the hip, flexion of the knee.

Question 12

What is the primary function of the Rectus femoris relating to the hip?

Answer 12

Flexion

Question 13

What is the primary function of the Gluteus maximus relating to the hip?

Answer 13

Extension and external rotation
Superior Fibers - Abduction

Question 14

What is the primary function of the biceps femoris relating to the hip?

Answer 14

Extension, abduction, and slight external rotation

Question 15

What is the primary function of the Semitendinosus relating to the hip?

Answer 15

Extension, adduction, and slight internal rotation.

Question 16

What is the primary function of the Gluteus medius and minimus relating to the hip?

Answer 16

Abduction
Anterior fibers - Internal rotation
Posterior fibers - external rotation

Question 17

What is the primary function of the Tensor fasciae latae relating to the hip?

Answer 17

Flexion, abduction, and internal rotation

Question 18

What is the primary function of the Gracilis relating to the hip?

Answer 18

Adduction

Question 19

What is the primary function of the rectus abdominis relating to the spine?

Answer 19

Flexion and lateral flexion of the trunk.

Question 20

What is the primary function of the external oblique relating to the spine?

Answer 20

Contralateral rotation, lateral flexion, and forward flexion.

Question 21

What is the primary function of the internal oblique relating to the spine?

Answer 21

Ipsilateral rotation, lateral flexion and forward flexion.

Question 22

What are the hamstring muscles?

Answer 22

Semitendinosus
Semimembranosus
Biceps Femoris

Question 23

What muscles are considered hip flexors?

Answer 23

Iliacus
Psoas
Pectineus
Rectus femoris
Sartorius.

Question 24

What muscles are considered hip extensors?

Answer 24

Gluteus Maximus
Hamstrings

Question 25

What muscles are considered the quads?

Answer 25

Rectus femoris Vastus lateralis Vastus intermedius Vastus medialis.

Question 26

What muscles are considered part of the obliques?

Answer 26

External Obliques Internal Obliques

Question 27

What is the Plantaris?

Answer 27

Long narrow muscle in the calf that works with the achilles in flexing the knee and plantar flexion of the ankle.

Question 28

What are the Vasus lateralis, intermedius, and medialis?

Answer 28

Muscles located in the thigh, part of the quadriceps muscle group.

Question 29

What is the Semimembranosus?

Answer 29

Long muscle in the thigh, one of the hamstrings.

Question 30

What is the Tensor Fasciae Latae?

Answer 30

Muscle in the thigh, helps stabilize hip and knee.

Question 31

What is the transverse abdominus?

Answer 31

The deepest muscle of the abs. Compresses the abdomen. Used in prone plank, abdominal bracing.

Question 32

What is the rectus abdominus?

Answer 32

An ab muscle, the "6 pack". Flexion and lateral flexion of the trunk.

Question 33

What is the Erector spinae?

Answer 33

Muscles that straighten and rotate the back.

Question 34

What is the Latissimus dorsi?

Answer 34

Large muscle in the back that helps control shoulder movement.

Question 35

What is the Palmaris longus?

Answer 35

A flexor muscle of the forearm.