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NPTE > Top 40 LE Muscles > Flashcards

Top 40 LE Muscles Flashcards

1
Q

Adductor magnus

A

O: inferior ramus of pubis, ischiopubic ramus, and ischial tuberosity
I: linea aspera and adductor tubercle on medial femoral condyle
A: hip adduction
N: obturator, sciatic

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2
Q

Biceps femoris (long head)

A

O: ischial tuberosity and sacrotuberous ligament
I: lateral head of fibula and lateral condyle of tibia
A: knee flexion, hip extension
N: tibial, common peroneal

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3
Q

Biceps femoris (short head)

A

O: lateral linea aspera and lateral intermuscular septum
I: lateral head of fibula and lateral condyle of tibia
A: knee flexion, hip extension
N: tibial, common peroneal

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4
Q

Gastroc (medial head)

A

O: posterior portion of medial femoral condyle
I: posterior portion of calcaneus
A: ankle PF
N: tibial

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5
Q

Gastroc (lateral head)

A

O: posterior portion of lateral femoral condyle
I: posterior portion of calcaneus
A: ankle PF
N: tibial

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6
Q

Glute max

A

O: posterior sacrum, lateral coccyx, posterior gluteal line of ilium, fascia of erector spinae and glute med, and the sacrotuberous ligament
I: iliotibial tract of fascia lata and gluteal tuberosity of femur
A: hip extension and ER
N: inferior gluteal

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7
Q

Glute med

A

O: external surface of ilium between anterior and posteiror gluteal lines
I: lateral surface of greater trochanter of femur
A: hip ABD, IR, and extension
N: superior gluteal

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8
Q

Gracilis

A

O: inferior pubic ramus and pubic symphysis
I: medial tibia distal to condyle
A: hip ADD
N: obturator

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9
Q

Iliopsoas

A 
Psoas O: TP and lat bodies of T12-L5
Iliacus O: superior iliac fossa and iliac crest
I: lesser trochanter of femur
A: hip flexion; trunk side bend ipsi
N: femoral, lumbar NR 1-3
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10
Q

Peroneus brevis

A

O: lateral surface of distal 2/3rds of fibula and intermuscular septum
I: tuberosity at base of 5th MT
A: ankle PF and eversion
N: superficial peroneal

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11
Q

Peroneus longus

A

O: lateral surface of proximal fibula and head of fibula
I: lateral surface of base of 1st MT and medial cuneiform
A: ankle PF and eversion
N: superficial peroneal

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12
Q

Piriformis

A

O: anterior sacrum and superior margin of greater sciatic foramen
I: superior border of greater trochanter of femur
A: hip ABD and ER
N: sacral plexus (L5, S1-2)

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13
Q

Rectus femoris

A

O: AIIS and groove above acetabular rim
I: proximal patella and tibial tuberosity via patellar ligament
A: knee extension, hip flexion
N: femoral

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14
Q

Sartorius

A

O: ASIS
I: proximal tibia medial to tibial tuberosity
A: hip flexion and ER; knee flexion
N: femoral

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15
Q

Semimembranosus

A

O: ischial tuberosity
I: posteromedial aspect of medial condyle of tibia
A: knee flexion, hip extension
N: tibial

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16
Q

Semitendinosus

A

O: ischial tuberosity
I: proximal tibia medial to tibial tuberosity
A: knee flexion, hip extension
N: tibial

17
Q

Soleus

A

O: posterior surface of proximal fibular and soleal line of tibia
I: posterior portion of calcaneus
A: ankle PF
N: tibial

18
Q

Tibialis anterior

A

O: Lateral proximal tibia, lateral condyle of tibia, and interosseous membrane
I: medial surface of medial cuneiform and base of 1st MT
A: ankle DF and inversion
N: deep peroneal

19
Q

Tibialis posterior

A

O: interosseous membrane and adjacent posterior borders of tibia and fibular
I: navicular tuberosity, bases of 2-4th MT, all three cuneiforms, cuboid, and sustentaculum tali of calcaneus
A: ankle PF and invesion
N: tibial

20
Q

Vastus intermedius

A

O: proximal 2/3 of anteiror and lateral femur
I: proximal patella and tibial tuberosity via patellar ligament
A: knee extension
N: femoral

21
Q

Vastus lateralis

A

O: greater trochanter of femur, gluteal tuberosity, lateral linea aspera, and prox part of intertrochanteric line
I: proximal patella and tibial tuberosity via patellar ligament
A: knee extension
N: femoral

22
Q

Vastus medialis

A

O: medial supracondylar line of femur, distal part of intertrochanteric line, and medial linea aspera
I: proximal patella and tibial tuberosity via patellar ligament
A: knee extension
N: femoral

NPTE (9 decks)

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