Lower Limb muscles

Question 1

Iliopsoas

Answer 1

Flexes thigh and lumbar vertebrae

Question 2

Sartorius

*

Answer 2

Flexes and laterally rotates thigh, flexes knee
Origin: anterior superior iliac spine
Insertion: proximal, medial tibia

Question 3

Gracilis

*

Answer 3

Flexes and medially rotates leg
Origin: pubis
Insertion: proximal medial tibia

Question 4

Pectineus

Answer 4

Adducts and flexes thigh

Question 5

Adductor brevis

Answer 5

Adducts thigh

Question 6

Adductor longus

Answer 6

Adducts, flexes, and medially rotates thigh

Question 7

Adductor magnus

Answer 7

Adducts, flexes, extends, and medially rotates thigh

Question 8

Rectus femoris

*

Answer 8

Flexes thigh, extends leg
Origin: anterior inferior iliac spine
Insertion: patella

Question 9

Vastus lateralis

*

Answer 9

Extends leg
Origin: linea aspera of femur
Insertion: patella

Question 10

Vastus medialis

*

Answer 10

Extends leg
Origin: medial side of linea aspera
Insertion: patella

Question 11

Vastus intermedius

*

Answer 11

Extends leg
Origin: proximal anterior femur
Insertion: patella

Question 12

Tensor fasciae latae

Answer 12

Flexes and medially rotates thigh, extends and laterally rotates knee

Question 13

Gluteus Maximus

*

Answer 13

Extends and abducts thigh
Origin: coccyx
Insertion: gluteal tuberosity of femur

Question 14

Gluteus medius

*

Answer 14

Abducts and medially rotates thigh
Origin: lateral surface of ilium
Insertion: greater trochanter of femur

Question 15

Gluteus minimus

*

Answer 15

Abducts and medially rotates thigh
Origin: ilium
Insertion: greater trochanter of femur

Question 16

Biceps femoris

*

Answer 16

Extends thigh, flexes kneed
Origin: ischial tuberosity
Insertion: head of fibula

Question 17

Semitendinosus

*

Answer 17

Extends thigh, flexes knee
Origin: ischial tuberosity
Insertion: proximal medial tibia

Question 18

Semimembranosus

*

Answer 18

Extends thigh, flexes knee
Origin: ischial tuberosity
Insertion: medial condyle of tibia

Question 19

Gastrocnemius

*

Answer 19

Flexes leg, plantar flexes foot
Origin: condyles of femur
Insertion: calcaneus

Question 20

Soleus

*

Answer 20

Plantar flexes foot
Origin: posterior, proximal tibia and fibula
Insertion: calcaneus

Question 21

Plantaris

*

Answer 21

Flexes leg, plantar flexes foot
Origin: distal femur
Insertion: calcaneus

Question 22

Tibialis posterior

*

Answer 22

Plantar flexes and inverts foot
Origin: proximal tibia and fibula
Insertion: 2nd through 4th metatarsals

Question 23

Flexor digitorum longus

*

Answer 23

Flexes toes, plantar flexes and inverts foot
Origin: posterior tibia
Insertion: distal phalanges of 2nd through 5th digits

Question 24

Flexor hallucis longus

Answer 24

Flexes hallux, inverts foot

Question 25

Tibialis anterior | *

Answer 25

Dorsiflexes and inverts foot Origin: proximal tibia Insertion: first metatarsal

Question 26

Fibularis longus

Answer 26

Plantar flexes and everts foot Origin: head and shaft of fibula Insertion: first metatarsal