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Anatomy - Musculoskeletal > Lower Extremity > Flashcards

Lower Extremity Flashcards

1
Q

Gluteus Medius

A

O: Dorsal iliac crest

I: Greater trochanter

A: Hip Abductor, medial rotator

N: Superior Gluteal Nerve

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2
Q

Gluteus Maximus

A

O: Ilium, sacrum, coccyx, thoracolumbar fascia

I: Gluteal tuberosity of femur; iliotibial tract/band

A: Hip extensor, lateral rotator

N: Inferior Gluteal Nerve

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3
Q

Gluteus Minimus

A

O: Dorsal ilium

I: Greater trochanter

A: Hip abductor, medial rotator

N: Superior Gluteal Nerve

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4
Q

Tensor Fascia Lata

A

O: Lateral Iliac Crest

I: Iliotibial band

A: Leg abductor, knee extension

N: Superior Gluteal Nerve

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5
Q

Piriformis

A

O: Sacrum

I: Greater trochanter

A: External rotation

N: Lumbosacral plexus

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6
Q

Quadratus Femoris

A

O: Ischial Tuberosity

I: Intertrochanteric crest

A: External rotation and adduction

N: Lumbosacral plexus

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7
Q

Superior Gemelli

A

O: Ischial Spine

I: Obturator internus tendon

A: External rotation

N: Lumbosacral plexus

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8
Q

Inferior Gemelli

A

O: Ischial tuberosity

I: Obturator internus tendon

A: External rotation

N: Lumbosacral plexus

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9
Q

Obturator Internus

A

O: Ischiopubic ramus

I: Greater trochanter

A: External rotation and abduction

N: Lumbosacral plexus

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10
Q

Rectus Femoris

A

O: Iliac Spine (AIIS)

I: Proximal tibia via patellar tendon/quadriceps tendon

A: Knee extension, hip flexion

N: Femoral

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11
Q

Vastus Lateralis

A

O: Greater trochanter

I: Proximal tibia via patellar tendon/quadriceps tendon

A: Knee extension

N: Femoral

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12
Q

Vastus Medialis

A

O: Intertrochanteric line

I: Proximal tibia via patellar tendon/quadriceps tendon

A: Knee extension

N: Femoral

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13
Q

Vastus intermedius

A

O: Femoral shaft

I: Proximal tibia via patellar tendon/quadriceps tendon

A: Knee extension

N: Femoral

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14
Q

Sartorius

A

O: Iliac spine (ASIS)

I: Pes Anserine

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

N: Femoral

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15
Q

Iliacus

A

O: Iliac fossa

I: Lesser trochanter

A: Hip flexion and external rotation

N: Femoral

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16
Q

Psoas Major

A

O: Multiple vertebrae

I: Lesser trochanter

A: Hip flexion and external rotation

N: Lumbar plexus

17
Q

Semimembranosus

A

O: Ischial Tuberosity

I: Medial Condyle of the Tibia

A: Hip extension, knee flexion

N: Sciatic Nerve

18
Q

Semitendinosus

A

O: Ischial Tuberosity

I: Pes Anserine

A: Hip extension, knee flexion

N: Sciatic Nerve

19
Q

Biceps Femoris

A

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
Q

Adductor Longus, Brevis, and Magnus

A

O: Body of pubic bone

I: Medial shaft of femur

A: Hip adduction

N: Obturator

21
Q

Gracilis

A

O: Pubic bone near ischium

I: Pes Anserine

A: Hip adduction

N: Obturator

22
Q

Tibialis Anterior

A

O: Proximal tibia

I: Medial foot, cuneiform

A: Dorsiflexion, inversion

N: Deep fibular

23
Q

Extensor Digitorum Longus

A

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
Q

Extensor Hallucis Longus

A

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
Q

Fibularis Longus

A

O: Lateral fibula

I: Medial cuneiform

A: Plantar flexion, eversion

N: Superficial fibular

26
Q

Fibularis Brevis

A

O: Lateral fibula

I: 5th metatarsal

A: Plantar flexion, eversion

N: Superficial fibular

27
Q

Fibularis Tertius

A

O: Lateral fibula

I: 5th metatarsal

A: Plantar flexion, eversion

N: Superficial fibular

28
Q

Gastrocnemius

A

O: Posterior distal femur

I: Calcaneus

A: Plantar flexion, flexion of the knee

N: Tibial

29
Q

Soleus

A

O: Posterior distal femur

I: Calcaneus

A: Plantar flexion, flexion of knee

N: Tibial

30
Q

Plantaris

A

O: Posterior distal femur

I: Calcaneus

A: N/A

N: Tibial

31
Q

Popliteus

A

O: Lateral femoral condyle

I: Posterior tibia

A: Flex and internal rotation of knee

N: Tibial

32
Q

Tibialis Posterior

A

O: Proximal tibia, fibula

I: Medial tarsal bones

A: Foot inversion, plantar flexion

N: Tibial

33
Q

Flexor Digitorum Longus

A

O: Proximal Tibia

I: 2-5th distal phalanges

A: Plantar flexion, inversion

N: Tibial

34
Q

Flexor hallicus longus

A

O: Proximal fibula

I: 1st distal phalanx

A: Plantar flexion, inversion

N: Tibial

Anatomy - Musculoskeletal (3 decks)

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