Leg Muscles

Question 1

What is the origin of the Anterior Tibialis?

Answer 1

Lateral condyle and proximal two-thirds of the lateral surface of the tibia

Question 2

What is the insertion of the Anterior Tibialis?

Answer 2

Medial and plantar aspects of the medial cuneiform and the base of the first metatarsal

Question 3

What innervates the Anterior Tibialis?

Answer 3

Deep fibular (peroneal) nerve

Question 4

What is the origin of the Posterior Tibialis?

Answer 4

Proximal two-thirds of posterior surface of the tibia and fibula

Question 5

What is the insertion of the Posterior Tibilias?

Answer 5

The main insertion is on the navicular tuberosity and the medial cuneiform bone.

Question 6

What innervates the Posterior Tibialis?

Answer 6

Tibial Nerve

Question 7

What is the origin of the Soleus?

Answer 7

Head of fibula and posterior surface of fibula Soleal line and medial border of tibia

Question 8

What is the insertion of the Soleus?

Answer 8

Calcaneus via the Achilles tendon

Question 9

What innervates the Soleus?

Answer 9

Tibial Nerve

Question 10

What is the origin of the Gastrocnemius?

Answer 10

Posterior aspect of the lateral and medial femoral condyles

Question 11

What is the insertion of the Gastrocnemius?

Answer 11

Posterior aspect of the lateral and medial femoral condyles

Question 12

What innervates the Gastrocnemius?

Answer 12

Tibial Nerve

Question 13

What is the origin of the Fibularis Longus?

Answer 13

Lateral condyle of tibia, head and proximal two-thirds of the lateral surface of the fibula

Question 14

What is the insertion of the Fibularis Longus?

Answer 14

Lateral surface of the medial cuneiform and lateral side of the base of the first metatarsal

Question 15

What innervates the Fibularis Longus?

Answer 15

Superficial Fibular Nerve

Question 16

What is the origin of the Biceps Femoris. Long Head?

Answer 16

Ischial tuberosity of the pelvis, part of the sacrotuberous ligament

Question 17

What is the insertion of the Biceps Femoris, Long Head?

Answer 17

Head of the fibula

Question 18

What innervates the Biceps Femoris, Long Head?

Answer 18

Tibial Nerve

Question 19

What is the origin of the Biceps Femoris, Short Head?

Answer 19

Lower one-third of the posterior aspect of the femur

Question 20

What is the insertion of the Biceps Femoris, Short Head?

Answer 20

Head of the fibula

Question 21

What innervates the Biceps Femoris, Short Head?

Answer 21

Common Fibular Nerve

Question 22

What is the origin of the Semimembranosus?

Answer 22

Ischial tuberosity of the pelvis

Question 23

What is the insertion of the Semimembranosus?

Answer 23

Posterior aspect of the medial tibial condyle of the tibia

Question 24

What innervates the Semimembranosus?

Answer 24

Tibial Nerve

Question 25

What is the origin of the Semitendinosus?

Answer 25

Ischial tuberosity of the pelvis and part of the sacrotuberous ligament

Question 26

What is the insertion of the Semitendinosus?

Answer 26

Proximal aspect of the medial tibial condyle of the tibia (pes anserine)

Question 27

What innervates the Semitendinosus?

Answer 27

Proximal aspect of the medial tibial condyle of the tibia (pes anserine)

Question 28

What is the origin of the Vastus Lateralis?

Answer 28

Anterior and inferior border of the greater trochanter, lateral region of the gluteal tuberosity, and lateral lip of the linea aspera of the femur

Question 29

What is the insertion of the Vastus Lateralis?

Answer 29

Base of patella and tibial tuberosity of the tibia

Question 30

What innervates the Vastus Lateralis?

Answer 30

Femoral Nerve

Question 31

What is the origin of the Vastus Medialis?

Answer 31

Lower region of intertrochanteric line, medial lip of linea aspera, and proximal medial supracondylar line of the femur

Question 32

What is the insertion of the Vastus Medialis?

Answer 32

Base of patella and tibial tuberosity of the tibia

Question 33

What innervates the Vastus Medialis?

Answer 33

Femoral Nerve

Question 34

What is the origin of the Vastus Intermedius?

Answer 34

Anterior-lateral regions of the upper two-thirds of the femur

Question 35

What is the insertion of the Vastus Intermedius?

Answer 35

Base of patella and tibial tuberosity of the tibia

Question 36

What innervates the Vastus Intermedius?

Answer 36

Femoral Nerve

Question 37

What is the origin of the Rectus Femoris?

Answer 37

Anterior-inferior iliac spine of the pelvis

Question 38

What is the insertion of the Rectus Femoris?

Answer 38

Base of patella and tibial tuberosity of the tibia

Question 39

What innervates the Rectus Femoris?

Answer 39

Femoral Nerve