Lower Extremity Flashcards Preview

Anatomy - Musculoskeletal > Lower Extremity > Flashcards

Flashcards in Lower Extremity Deck (34):
1

Gluteus Medius

O: Dorsal iliac crest

I: Greater trochanter

A: Hip Abductor, medial rotator

N: Superior Gluteal Nerve

2

Gluteus Maximus

O: Ilium, sacrum, coccyx, thoracolumbar fascia

I: Gluteal tuberosity of femur; iliotibial tract/band

A: Hip extensor, lateral rotator

N: Inferior Gluteal Nerve

3

Gluteus Minimus

O: Dorsal ilium

I: Greater trochanter

A: Hip abductor, medial rotator

N: Superior Gluteal Nerve

4

Tensor Fascia Lata

O: Lateral Iliac Crest

I: Iliotibial band

A: Leg abductor, knee extension

N: Superior Gluteal Nerve

5

Piriformis

O: Sacrum

I: Greater trochanter

A: External rotation

N: Lumbosacral plexus

6

Quadratus Femoris

O: Ischial Tuberosity

I: Intertrochanteric crest

A: External rotation and adduction

N: Lumbosacral plexus

7

Superior Gemelli

O: Ischial Spine

I: Obturator internus tendon

A: External rotation

N: Lumbosacral plexus

8

Inferior Gemelli

O: Ischial tuberosity

I: Obturator internus tendon

A: External rotation

N: Lumbosacral plexus

9

Obturator Internus

O: Ischiopubic ramus

I: Greater trochanter

A: External rotation and abduction

N: Lumbosacral plexus

10

Rectus Femoris

O: Iliac Spine (AIIS)

I: Proximal tibia via patellar tendon/quadriceps tendon

A: Knee extension, hip flexion

N: Femoral

11

Vastus Lateralis

O: Greater trochanter

I: Proximal tibia via patellar tendon/quadriceps tendon

A: Knee extension

N: Femoral

12

Vastus Medialis

O: Intertrochanteric line

I: Proximal tibia via patellar tendon/quadriceps tendon

A: Knee extension

N: Femoral

13

Vastus intermedius

O: Femoral shaft

I: Proximal tibia via patellar tendon/quadriceps tendon

A: Knee extension

N: Femoral

14

Sartorius

O: Iliac spine (ASIS)

I: Pes Anserine

A: Flexion, abduction, and external rotation of the hip; internal rotation of knee

N: Femoral

15

Iliacus

O: Iliac fossa

I: Lesser trochanter

A: Hip flexion and external rotation

N: Femoral

16

Psoas Major

O: Multiple vertebrae

I: Lesser trochanter

A: Hip flexion and external rotation

N: Lumbar plexus

17

Semimembranosus

O: Ischial Tuberosity

I: Medial Condyle of the Tibia

A: Hip extension, knee flexion

N: Sciatic Nerve

18

Semitendinosus

O: Ischial Tuberosity

I: Pes Anserine

A: Hip extension, knee flexion

N: Sciatic Nerve

19

Biceps Femoris

O: Ischial tuberosity (long head)
Posterior, proximal femur (short head)

I: Lateral proximal tibia, head of fibula

A: Hip extension, knee flexion

N: Sciatic Nerve

20

Adductor Longus, Brevis, and Magnus

O: Body of pubic bone

I: Medial shaft of femur

A: Hip adduction

N: Obturator

21

Gracilis

O: Pubic bone near ischium

I: Pes Anserine

A: Hip adduction

N: Obturator

22

Tibialis Anterior

O: Proximal tibia

I: Medial foot, cuneiform

A: Dorsiflexion, inversion

N: Deep fibular

23

Extensor Digitorum Longus

O: Anterior tibia, fibula, and interosseous membrane

I: 2-5 toes

A: Dorsiflexion, eversion of the ankle; extends MTP of toes 2-5

N: Deep fibular

24

Extensor Hallucis Longus

O: Fibula and the interosseous membrane

I: 1st toe

A: Dorsiflexion, eversion, and inversion of the ankle; extends MTP of big toe

N: Deep fibular

25

Fibularis Longus

O: Lateral fibula

I: Medial cuneiform

A: Plantar flexion, eversion

N: Superficial fibular

26

Fibularis Brevis

O: Lateral fibula

I: 5th metatarsal

A: Plantar flexion, eversion

N: Superficial fibular

27

Fibularis Tertius

O: Lateral fibula

I: 5th metatarsal

A: Plantar flexion, eversion

N: Superficial fibular

28

Gastrocnemius

O: Posterior distal femur

I: Calcaneus

A: Plantar flexion, flexion of the knee

N: Tibial

29

Soleus

O: Posterior distal femur

I: Calcaneus

A: Plantar flexion, flexion of knee

N: Tibial

30

Plantaris

O: Posterior distal femur

I: Calcaneus

A: N/A

N: Tibial

31

Popliteus

O: Lateral femoral condyle

I: Posterior tibia

A: Flex and internal rotation of knee

N: Tibial

32

Tibialis Posterior

O: Proximal tibia, fibula

I: Medial tarsal bones

A: Foot inversion, plantar flexion

N: Tibial

33

Flexor Digitorum Longus

O: Proximal Tibia

I: 2-5th distal phalanges

A: Plantar flexion, inversion

N: Tibial

34

Flexor hallicus longus

O: Proximal fibula

I: 1st distal phalanx

A: Plantar flexion, inversion

N: Tibial