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Structure of the human body > Leg muscles > Flashcards

Leg muscles Flashcards

1
Q

Extensor digitorum brevis

A

Innervation: Deep Fibular Nerve
Action: Extend 4 medial digits at MTP

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2
Q

Extensor halluces brevis

A

Innervation: Deep Fibular Nerve
Action: Extend toe

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3
Q

Abductor digiti minimi

A

Innervation: Lateral plantar nerve
Action: Abuct and flexes 5th digit

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4
Q

Abductor hallucis

A

Innervation: Medial plantar nerve
Action: Abducts and flexes 1st digit

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5
Q

Flexor digitorum brevis

A

Innervation: Medial plantar nerve
Action: Flexes digits 2-5

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6
Q

1st medial Lumbrical

A

Innervation: Medial plantar nerve
Action: Flexes at MTP, extends at PIP joints

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7
Q

2-4 lateral lumbiricals

A

Innervation: Lateral plantar nerve
Action: Flexes at MTP, extends at PIP joints

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8
Q

Quadratus plantae

A

Innervation: Lateral plantar nerve
Action: Assists in flexion of toes

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9
Q

Adductor hallucis

A

Innervation: Lateral Plantar nerve
Action: Adduct 1st digit. Maintains Transverse arch.

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10
Q

Flexor digiti minimi brevis

A

Innervation: Lateral Plantar Nerve
Action: Flexes 5th digit (proximal phalynx)

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11
Q

Flexor hallucis brevis

A

Innervation: Medial pantar nerve
Action: Flexes proximal Phalynx of first digit

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12
Q

Dorsal interossei, DABS

A

Innervation: Lateral plantar nerve
Action: Abduct digits 2 (bot sides),3,4,5, 2 is midline + flex

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13
Q

Plantar interossei, PAD

A

Innervation: Lateral plantar nerve
Action: Adduct digits 3,4,5 + flex

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14
Q

Gluteus maximus

A

Innervation: Inferior gluteal nerve
Action:Extends thigh, laterally rotates, abducts thigh. Extends knee.

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15
Q

Gluteus minimus

A

Innervation: Superior gluteal nerve
Action: Abduct, medially rotates thigh

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16
Q

Inferior gamellus

A

Innervation: Nerve to quadratus femorus
Action: Laterally rotates thigh,

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17
Q

Oburator internus

A

Innervation: Nerve to obturator internus
Action: Laterally rotates, abducts thigh

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18
Q

Piriformis

A

Innervation: L5, S1, S2
Action: lat rotates hip, abducts thigh

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19
Q

Superior gemellus

A

Innervation: Obturator internus
Action: lateral rotation

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20
Q

Tensor fasciae latae

A

Innervation: Superior gluteal
Action: Abduction of thigh, medially rotates, flexes hip. Extends knee

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21
Q

Extensor digitorum longus

A

Innervation: Deep Fibular
Action: Extends digits 2-5, dorsiflex

22
Q

Extensor hallucis longus

A

Innervation: Deep fibular
Action: Extends toe, dorsiflex angle

23
Q

Fibularis peroneus tertinus

A

Innervation: Deep fibular
Action: dorsiflex foot, eversion of foot

24
Q

Tibialis anterior

A

Innervation: Deep fibular
Action: dorsiflex, inversion

25
Q

Fibularis peroneus brevis

A

Innervation: Sup fibular
Action: eversion, weak plantarflexion

26
Q

Fibularis peroneus longus

A

Innervation: Sup Fibular
Action: eversion, plantar flexion

27
Q

Flexor digotorum longus

A

Innervation: Tibial nerve
Action: Flex digits 2-5, plantarflex

28
Q

Flexor hallucis longus

A

Innervation: Tibial
Action: Flexes toe, plantarflex

29
Q

Gastrocnemius

A

Innervation: Tibial nerve
Action: plantarflex, flex knee, raise heel

30
Q

Plantaris

A

Innervation: Tibial
Action: plantarflex, flex knee

31
Q

Popliteus

A

Innervation: Tibial
Action: flex knee, unlocks it

32
Q

Soleus

A

Innervation: Tibial
Action: plantarflex

33
Q

Tibialis posterior

A

Innervation: Tibial
Action: Plantarflex, inverst foot

34
Q

Rectus femoris (quads)

A

Innervation: Femoral
Action: Extend knee, flex thigh

35
Q

Vastus intermedius (quads)

A

Innervation: Femoral
Action: Extend knee

36
Q

Vastus lateralis (quads)

A

Innervation: Femoral
Action: Extend knee

37
Q

Vastus medialis (quads)

A

Innervation: Femoral
Action: Extend knee

38
Q

Adductor brevis

A

Innervation: Obturator
Action: adduct hip, flexes hip, medial rotation

39
Q

Adductor longus

A

Innervation: Obturator
Action: adduct hip, flexes hip, medial rotation

40
Q

Adductor magnus

A

Innervation: Obturator + Sciatic (tibial)
Action: adduct hip, extend/flexes hip, medial/lateral rotation

41
Q

Gracialis

A

Innervation: Obturator
Action: adduct thigh. flexes and medially rotates leg

42
Q

Obturator externus

A

Innervation: Obturator
Action: laterally rotates, stabilizes head of femur in acetebelum

43
Q

Pectineus

A

Innervation: Femoral and obturator
Action: adduct, flexes hip, medial rotation

44
Q

Biceps femoris

A

Innervation: Short: Sciatic (common fibular) Long: Sciatic (Tibial)
Action: Flexes and laterally rotates leg, extends thigh

45
Q

Semimembranosus

A

Innervation: Sciatic (tibial)
Action: Extends thigh, flexes leg

46
Q

Semitredinosus

A

Innervation: Sciatic (tibial)
Action: Extends thigh,, flexes leg

47
Q

Illiacus

A

Innervation: Femoral
Action: Hip Flexion

48
Q

Psoas major

A

Innervation: Femoral
Action: Hip Flexion, lateral rotation

49
Q

Sartorius

A

Innervation: Femoral
Action: Abduct, laterally rotate, flex thigh. Flex knee

50
Q

Quadratus Femoris

A

Innervation: Nerve to quadratus femoris
Action: Laterally rotates thigh

51
Q

Gluteus Medius

A

Innervation: Sup Gluteal nerve
Action: Abducts and medially rotates hip

Structure of the human body (7 decks)

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