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Anatomy Lab > Muscles Lower Extremity OIA > Flashcards

Muscles Lower Extremity OIA Flashcards

Origin Insertion Action

1
Q

Tensor Fascia Latae

A

A: 1: Tenses fascia lata 2: Hip flexion, abduction & medial rotation

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2
Q

Gluteus Maximus Largest

A

O: Iliac crest, posterolateral ilium
I: Below the greater trochanter, and IT tract
A: Hip extension & lateral rotation

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3
Q

Gluteus Medius

A

O: Iliac crest, posterolateral ilium
I: Greater trochanter
A: Hip abduction & medial rotation

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4
Q

Gluteus Minimus smallest and deepest

A

O: Lateral ilium
I: Greater trochanter
A: Hip abduction & medial rotation

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5
Q

Piriformis

A

A: Hip abduction & lateral rotation

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6
Q

Quadratis Femoris

A

A: Hip lateral rotation

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7
Q

Adductor Longus (Superficial)

A

A: Hip adduction & flexion

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8
Q

Adductor brevis

A

A: Hip adduction & flexion

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9
Q

Adductor magnus

A

O: Inferior ramus of pubis & ischial tuberosity
I: Linea aspera
A: Hip adduction & flexion

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10
Q

Iliopsoas (Iliacus+Psoas major)

A

I: Lesser trochanter
A: Hip flexion, trunk flexion when hip is stable

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11
Q

Gracilis (Medial leg of V shape)

A

O: Inferior ramus of pubis
I: Upper medial tibia
A: 1: Knee flexion 2: Hip adduction

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12
Q

Sartorius (lateral Leg of V Shape)

A

O: Anterior superior iliac spine
I: Upper medial tibia
A: 1- Hip flexion & lateral rotation 2- knee flexion

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13
Q

Vastus Medialus

A

O: Introchanteric line & medial linea aspera
I: Tibial tuberosity
A: Knee extension

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14
Q

Vastus lateralis

A

O: Linea aspera & greater trochanter
I: Tibial tuberosity
A: Knee extension

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15
Q

Rectus femoris

A

O: Anterior inferior iliac spine
I: Tibial Tuberosity
A: Hip flexion, knee extension

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16
Q

Vastus intermedius

A

O: Anterior & lateral femur
I: Tibial Tuberosity
A: Knee extension

17
Q

Biceps femoris

A

O: Long head (ischial tuberosity)/Short head (Linea aspera)
I: Head of fibula & lateral condyle of tibia
A: Extension & Lateral rotation of hip

18
Q

Semitendinosus

A

O: Ischial tuberosity
I: Proximal, medial shaft of the tibia
A: Extends and medially rotates hip, flexes knee

19
Q

Semimembranosus

A

O: Ischial tuberosity
I: Posterior medial condyle of tibia
A: extends and medially rotates hip, flexes knee

20
Q

Fibularis longus

A

A: plantar flexes and everts foot

21
Q

Fibularis brevis

A

A: Plantar flexes and everts foot

22
Q

Tibialis anterior

A

A: Dorsiflexes ankle and inverts foot

23
Q

Extensor hallucis longus

A

A: Extends Hallux, dorsiflexes ankle

24
Q

Extensor digitorum longus

A

A: extends toes, dorsiflexes ankle

25
Q

Fibularis tertius

A

A: Dorsiflexes and everts foot

26
Q

Gastrocnemius

A

O: Superior aspect of the medial and lateral condyles of the femur
I: Posterior calcaneus via the Achilles (calcaneal) tendon
A: Plantar flexes ankle, flexes knee

27
Q

Soleus

A

O: Posterior, superior fibula and tibia
I: Posterior calcaneus via the Achilles tendon
A: Plantar flexes ankle

28
Q

Plantaris

A

A: Plantar flexes ankle, flexes knee

29
Q

Flexor hallucis longus

A

A: Flexes hallux, plantar flexes ankle

30
Q

Flexor digitorum longus

A

A: Flexes digits 2-5, plantar flexion of ankle

31
Q

Tibialis posterior

A

A: Plantar flexes ankle and inverts foot

32
Q

Flexor digitorum brevis

A

A: flexes the toes

33
Q

Lumbricals

A

A: flex the metatarsophalangeal joints, extend the interphalangeal joints

34
Q

Quadratus plantae

A

A: assists the flexor digitorum longus to flex toes

35
Q

Plantar interossei

A

A: Adducts the toes

36
Q

Extensor digitorum brevis

A

A: Extends the four lateral digits

37
Q

Extensor hallucis brevis

A

A: extends the hallux

38
Q

Dorsal interossei

A

A: abducts toes

Anatomy Lab (7 decks)

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