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Anatomy 1 > Muscles Thigh > Flashcards

Muscles Thigh Flashcards

1
Q

Rectus femoris

A

O: Asis
I: tibial tuberosity
A: extension of knee & Flex hip
N: femoral nerve

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2
Q

Vastus lateralis

A

O: lateral lip of linea aspera, gluteal tuberosity, greater trochanter
I: tibial tuberosity
A: extension of knee & hip flexion
N: femoral Nerve

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3
Q

Vastus medialis

A

O: medial lip of linea aspera
I: tibial tuberosity
A: extension of knee & flexion of hip
N: femoral

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4
Q

Vastus intermedius

A

O: anterior/lateral shaft
I: tibial tuberosity
A: extension of knee & flexion of hip
N: femoral

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5
Q

Bicep femoris

A

O: lateral lip of linea aspera & ischial tuberosity
I: Head of fibula
A: flexion of knee & laterally rotates flexed knee & extends hip
N: sciatic

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6
Q

Semitendinosus

A

O: ischial tuberosity
I: pes anserinus
A: Flex knee & extends hip & medially rotates flexed knee
N: sciatic

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7
Q

Semimembranosus

A

O: ischial tuberosity
I: posterior of tibial condyle
A: flex knee & extends hip & medially rotates flexed knee
N: sciatic

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8
Q

Gluteus maximus

A

O: posterior iliac crest, edge of sacrum, coccyx
I: gluteal tuberosity, iliotibial tract
A: abducts hip & extends hip & laterally rotates hip
N: inferior gluteal nerve

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9
Q

Gluteus medius

A

O: gluteal surface of ilium, between anterior/posterior gluteal lines
I: lateral of greater trochanter
A: abducts hip, flexes hip, medially rotates, extends hip
N: superior gluteal n.

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10
Q

Gluteus minimus

A

O: gluteal surface of ilium
I: anterior of greater trochanter
A: abducts hip, medially rotates,
Flexes
N: superior gluteal n.

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11
Q

Adductor magnus

A

O: inferior ramus of pubis, ramus of ischium, ischial tuberosity
I: medial lip of linea aspera & adductor tubercle
A: adducts hip, medially rotates hip, extends hip, medially rotates flexed knee
N: Obturator n.

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12
Q

Adductor longus

A

O: Pubic tubercle
I: medial lip of linea aspera
A: Adducts hip, medially rotates hip, medially rotates knee, extends hip
N: Obturator n.

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13
Q

Adductor Brevis

A

O: inferior ramus of pubis
I: medial lip of linea aspera & pectineal line
A: adducts hip, extends hip, medially rotates hip, medially rotates flexed knee
N: obturator n.

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14
Q

Pectineus

A

O: superior ramus of pubis
I: pectineal line
A: adducts hip, extends hip, medially rotates hip & flexed knee
N: obturator n. & femoral n.

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15
Q

Gracilis

A

O: inferior ramus of pubis
I: pes anserinus
A: adducts hip, medially rotates hip & flexed knee, flexes knee, extend knee
N: obturator n.

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16
Q

TFL & Iliotibial tract

A

O: iliac crest (posterior to Asis)
I: iliotibial tract
A: abducts hip, flexes hip, medially rotates hip
N: superior gluteal

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17
Q

Sartorius

A

O: ASIS
I: pes anserinus
A: flex, laterally rotates, abducts hiip
Flex and medially rotates flexed knee
N: femoral

18
Q

Piriformis

A

O: anterior of sacrum
I: superior of greater trochanter
A: laterally rotates & abducts hip
N: sacral plexus

19
Q

Quadratus femoris

A

O: lateral borders ischial tuberosity
I: intertrochanteric crest
A: laterally rotates hip
N: sacral plexus

20
Q

Obturator internus

A

O: obturator membrane & inferior surface of obturator foramen
I: medial of greater trochanter
A: laterally rotates hip
N: sacral plexus

21
Q

Obturator externus

A

O: ramis of pubis & ischium & obturator membrane
I: trochanteric fossa of femur
A: laterally rotates hip
N: obturator

22
Q

Gemellus superior

A

O: ischial spine
I: medial of greater trochanter
A: laterally rotates hip
N: sacral plexus

23
Q

Gemellus inferior

A

O: ischial tuberosity
I: medial of greater trochanter
A: laterally rotates hip
N: sacral plexus

24
Q

Psoas Major

A

O: body’s & transverse processes of lumbar vertebrae
I: lesser trochanter
A:
N: lumbar plexus

25
Iliacus
O: iliac fossa I: lesser trochanter A: flexes hip N: femoral
26
Gastrocnemius
O: condyles of femur I: calcaneal tendon A: plantar flexion & flex knee N: tibial
27
Soleus
O: soleal line I: calcaneal tendon A: plantar flexion N: tibial
28
Plantaris
O: lateral supracondylar line I: calcaneal tendom A: weak plantar flexion & week knee flexion N: tibial
29
Popliteus
O: lateral condyle of femur I: proximal/ posterior of tibia A: medially rotates and flexes knee N: tibial
30
Fibularis longus
O: head of fibula & 2/3 of fibula I: base of 1st metatarsal & medial cuneiform A: eversion N: superficial fibular (peroneal)
31
Fibularis brevis
O: distal 2/3 of fibula I: tuberosity of 5th metatarsal A: evert N: superficial fibular (peroneal)
32
Tibialis anterior
O: lateral condyle & interosseous membrane & lateral of tibia I: medial cunei & base of 1st metatarsal A: inversion & dorsiflexion N: deep fibular
33
Extensor digitorum longus
O: lateral condyle & interoseous membrane I: midal/distal phalanges of 2nd - 5th toes A: 2-5 extends toes & dorsiflexion & evert N: deep fibular
34
Extensor hallucis longus
O: interosseous membrane & middle anterior surface of fibula I: distal phalanx of 1st toe A: extends 1st toe, dorsiflexion, inversion N: deep peroneal
35
Tibialis posterior
O: proximal/posterior of tibia & interosseous membrane I: all 5 tarsal bones & bases 2-4 metas A: inversion & plantar flexion N. Tibial
36
Flexor digitorum longus
O: middle/posterior of tibia I: distal phalanges of 2-5th toes A: flexion of 2-5 toes & inversion N: tibial
37
Flexor hallucis longus
O: middle/ posterior of fibula I: distal phalanx of 1st toe A: flexion of 1st toe &inversion N: tibial
38
Extensor digitorum brevis
O: dorsal calcaneal I: 2nd-4th via extensor digitorum longus Tendons A: extension of 2nd-4th toes N: deep fibular
39
Flexor digitorum brevis
O: medial process of calcaneus &plantar aponeurosis I: middle phalanges of 2nd-5th toes A: flexion of 2-5 toes N: tibial
40
Abductor hallucis
O: medial process of calcaneus I: medial sesamoid bone & proximal phalange of 1st toe A: abduction of 1st toe N: tibial
41
Abductor digit minimi
O: lateral process of calcaneus I: proximal phalanx of 5th toe A: abduction of 5th toe N: tibial
42
Extensor hallucis brevis
O: dorsal surface of calcaneus I: proximal phalanx of 1st toe A: extension of 1st toe N: deep fibular

Anatomy 1 (4 decks)

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