Anatomy Pelvis and Lower Limb Muscles

Question 1

ABductor Digiti Minimi

Answer 1

N:Lateral Plantar N
A:
F:ABducts and flex 5th digit

Question 2

ABductor Hallucis

Answer 2

N: Medial Plantar N
A:
F: ABducts and flex hallux

Question 3

ADDuctor Brevis

Answer 3

N: Obturator N
A:
F: ADDuct thigh @ hip

Question 4

ADDuctor Magnus

Answer 4

N: Obturator AND Tibial N
A:
F: ADDuct and extend thigh @ hip

Question 5

Biceps Femoris (LONG head)

Answer 5

N: Tibial N
A:
F: Extend thigh
flex and lateral rotation of leg

Question 6

Biceps Femoris (short head)

Answer 6

N: Common Fibular N
A:
F: Flex and laterally rotate leg

Question 7

Dorsal Interossei (4)

Answer 7

N: Lateral plantar N
A:
F: ABduct digits 2-4, flex MP joint

Question 8

Extensor Digitorum Brevis

Answer 8

N: Deep Fibular N
A:
F: Extends digits 2-5

Question 9

Extensor Digitorum Longus

Answer 9

N: Deep Fibular N
A:
F: Dorsiflex ankle
extend 1st digit “big toe”

Question 10

Extensor Hallucis Brevis

Answer 10

N: Deep Fibular N
A:
F: Extension of “big toe”

Question 11

Extensor Hallucis Longus

Answer 11

N: Deep Fibular N
A:
F: Dorsiflex ankle
Extend big toe

Question 12

Fibularis (Peroneus) Brevis

Answer 12

N:Superficial Fibular N
A:
F: Evert foot
(weak) plantarflex ankle

Question 13

Fibularis (Peroneus) Longus

Answer 13

N: Superficial Fibular N
A:
F: Everts foot
(weak) plantarflex ankle

Question 14

Fibularis (Peroneus) Tertius

Answer 14

N:Deep Fibular N
A:
F: Dorsiflex ankle
everts foot

Question 15

Flexor Digiti Minimi Brevis

Answer 15

N: Lateral Plantar N
A:
F: flex 5th digit

Question 16

Flexor Digitorum Brevis

Answer 16

N: Medial Plantar N
A:
F: Flex digits 2-5

Question 17

Flexor Digitorum Longus

Answer 17

N: Tibial N
A:
F: Flex digits 2-5
plantarflex ankle
support longitudinal arch

Question 18

Flexor Hallucis Brevis

Answer 18

N: Medial Plantar N
A:
F: Flex prox phalanx of big toe

Question 19

Flexor Hallucis Longus

Answer 19

N:Tibial N
A:
F: Flex big toe to all joints
plantarflex ankle

Question 20

Gastrocnemius

Answer 20

N: Tibial N
A:
F: Flex leg @ knee
plantarflex foot

Question 21

Gluteus Maximus

Answer 21

N: Inferior Gluteal N
A:
F: extend and laterally rotate thigh

Question 22

Gluteus Medius/Minimus

Answer 22

N: Superior Gluteal N
A:
F: ABduct and medially rotate thigh

Question 23

Gracilis

Answer 23

N: Obturator N
A:
F: ADDuct thigh @ hip
Flex and medially rotate knee joint

Question 24

Iliopsoas

Answer 24

N: Femoral N
A:
F: Flex thigh @ hip

Question 25

Inferior Gemellus/Quadratus Femoris

Answer 25

N: N to quadratus femoris A: F: Lateral rotation of thigh

Question 26

Lumbrical #1

Answer 26

N: Medial Plantar N A: F: flex PIP, extend DIP of digit 2

Question 27

Lumbricals #2-4

Answer 27

N: Lateral Plantar N A: F: flex PIP, extend DIP of digits 3-5

Question 28

Obturator Externus

Answer 28

N: Obturator N A: F: Lateral rotation of thigh

Question 29

Obturator Internus

Answer 29

N: N to obturator internus A: F: Lateral rotation of thigh

Question 30

Pectineus

Answer 30

N: Femoral and Obturator N A: F: ADDuct thigh @ hip joint

Question 31

Piriformis

Answer 31

N: Ventral rami of S1-S2 A: F: Lateral rotation of thigh

Question 32

Plantar Interossei (3)

Answer 32

N:Lateral Planter N A: F: ADDuct digits 2-4 flex MP

Question 33

Plantaris

Answer 33

N: Tibial N A: F: (weak) plantarflexion

Question 34

Popliteus

Answer 34

``` N: Tibial N A: F: (weak) flex knee rotate femur laterally on fixed tibia (unlock) medially rotate tibia of unplanted limb ```

Question 35

Quadratus Plantae

Answer 35

N: Lateral Planter N A: F: assist FDL in flexion of digit 2-5

Question 36

Rectus Femoris

Answer 36

N: Femoral N A: F: extend leg @ knee flex hip

Question 37

Sartorius

Answer 37

N: Femoral N A: F: Flex, ABduct, laterally rotate hip flex leg @ knee

Question 38

Semimembranosus

Answer 38

N: Tibial N A: F: Extend thigh flex and medially rotate leg

Question 39

Semitendinosus

Answer 39

N:Tibial N A: F: Extend thigh flex and medially rotate leg

Question 40

Soleus

Answer 40

N: Tibial N A: F: plantarflex ankle raise heal (during walking)

Question 41

Superior Gemellus

Answer 41

N: N to obturator internus A: F: Laterally rotates thigh

Question 42

Tensor Fasciae Latae

Answer 42

N: Superior Gluteal N A: F: ABduct and medially rotate thigh

Question 43

Tibialis Anterior

Answer 43

N: Deep fibular N A: F: Dorsiflex ankle invert foot

Question 44

Tibialis Posterior

Answer 44

N: Tibial N A: F: plantar flex ankle invert foot

Question 45

Vastus Intermedius

Answer 45

N: Femoral N A: F: Extend leg @ knee

Question 46

Vastus Lateralis

Answer 46

N: Femoral N A: F: Extend leg @ knee

Question 47

Vastus Medialis

Answer 47

N: Femoral N A: F: Extend leg @ knee