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Lower limb > Glut and Posterior Leg Muscles > Flashcards

Glut and Posterior Leg Muscles Flashcards

0
Q

Deep Gluts

A 
Piriformis
Gemellus Superior
Obturator Internus
Gemellus Inferior
Quadratus Femoris
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1
Q

Superficial Gluts

A

Glut Max
Glux Min
Glut Med
Tensor Fascia Latae

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2
Q

Gluteus Maximus

A

Extension, lateral rotation of thigh
Acts on ITT with tensor fascia latae to stabilize knee
important in going up stairs and standing up from sitting

N: Inferior Gluteal N

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3
Q

Gluteus Medius

A

Abduction of thigh
Posterior act w/glut max: laterally rotate thigh
Anterior act w/glut min: medially rotate thigh
Levels sacral base when opposit limb is unsupported

N: Superior Gluteal

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4
Q

Gluteus Minimus

A

Abducts, medially rotates thigh
Acts with glut med in leveling sacral base

N: Superior Gluteal

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5
Q

Piriformis

A

O: anterior sacrum
I: greater trochantor of femus
A: Abduction of thigh, lateral rotation of thigh
N: Nerve to piriformis

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6
Q

Gemellus superior

A

O: Ishial Spine
I: tendon of obturator internus
A: lateral rotation of thigh, SOME abduction of thigh
N: Nerve to obturator internus

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7
Q

Gemellus Inferior

A

O: ishial tuberosity
I: tendon of obturator internus
A: lateral rotation of thigh
N: Nerve to Quadratus Inferior

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8
Q

Quadratus Femoris

A

O: Ishial Tuberosity
I: Quadrate line between trochantors
A: Lateral rotation of thigh
N: Nerve to quadratus femoris

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9
Q

Biceps femoris

A

O: long head= ishial tuberosity
short head = linea aspera of femur

I: Lateral condyle of tibia, head of fibula

A: Long head: Extends thigh, flexes leg
Short head: flexes leg

N: L= tibial component of sciatic
S= common fibular

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10
Q

Semimembranous

A

extends thigh, flexes leg, medially rotates leg when knee is flexed

N: Tibial from sciatic

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11
Q

Semitendinous

A

Extends thigh, flexes and medially rotates leg when knee is flexed

N: tibial component of sciatic N

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12
Q

Tibialis Anterior

A

O: lateral tibia, IOM
I: Medial cuneiform and base of 1st metatarsal
A: Dorsiflexes and inverts foot
N: Deep fibular

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13
Q

Extensor digitorum longus

A

O: fibula and IOM
I: Middle and distal phalanges of 4 lesser toes
A: extends toes 2-5, dorsiflex foot
N: Deep fibular

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14
Q

Fibularis Tertius

A

O: Distal Fibula
I: Base of 5th metatarsal
A: Aids in eversion and dorsiflexion

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15
Q

Extensor Hallucis Longus

A

O: mid fibula (deep muscle)
I: base of distal phalanx of great toe
A: extends great toe, dorsiflex foot
N: Deep Fibular

16
Q

Extensor Digitorum Brevis

A

O: Calcaneous
I: base of proximal phalanx of great toe, toes 2,3,4 vis tendons of extensor digitorum longus

A: extends toes 1,2,3,4

N: Deep Fibular

17
Q

Lateral Crural Compartment muscles

A

Fibularis longus

Fibularis brevis

18
Q

Fibularis Longus

A

O: upper fibula
I: 1st metatarsal and medial cuneiform
A: Everts and plantar flexes foot
N Superficial fibular

19
Q

Fibularis Brevis

A

O: Distal lateral fibula
I: Base of 5th metatarsal
A: Everts and plantar flexes foot
N Superficial fibular

20
Q

Gastrocnemius

A

plantar flexes foot, flexes leg

tibial nerve

21
Q

Soleus

A

plantar flexes foot

tibial nerve

22
Q

Plantaris

A

Weakly plantar flexes foot and flexes leg

Tibial N

23
Q

Popliteus

A

Flexes and medially rotates leg
When foot fixed - laterally rotates femur to unlock knee joint as leg flexion proceeds

N: Tibial

24
Q

Flexor digitorum longus

A

flexes four small toes, plantar flexes foot

Tibial N

25
Q

Flexor Hallucis Longus

A

Flexes great toe, plantar flexes foot

Tibial N

26
Q

Tibialis Posterior

A

Inverts and plantar flexes foot

Tibial N

27
Q

Deep Posterior Leg muscles

A

Popliteus
Flexor Digitorum longus
Flexor Hallucis longus
Tibialis posterior

28
Q

Superficial posterior leg muscles

A

Gastrocnemius
Soleus
Plantaris

29
Q

Tensor fascia Latae

A

O: Iliac crest next to ASIS
I: IT tract

A: Abducts, medially rotates, flexes, tenses ITT maintains knee in extended position

N: superior gluteal nerve

Lower limb (4 decks)

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