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Unit I > LE Muscles - Actions > Flashcards

LE Muscles - Actions Flashcards

1
Q

Iliacus

A

actions- flexes thigh and stabilizes hip joint

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2
Q

Psoas (L. muscle of the loin)

A

actions- flexes thigh and stabilizes hip joint

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3
Q

Rectus femoris (L2, 3, 4) (L. straight)

A

actions- flexes thigh, and extends leg

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4
Q

Sartorius (L. sartor, a tailor)

A

actions- flexes, abducts & laterally rotates thigh, and flexes leg

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5
Q

Tensor fasciae latae

A

actions- abducts, flexes & medially rotates thigh, and assists in maintaining extended leg

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6
Q

Vastus intermedius (L2, 3, 4)

A

actions- extends leg

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7
Q

Vastus lateralis (L2, 3, 4)

A

actions- extends leg

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8
Q

Vastus medialis (L2, 3, 4)

A

actions- extends leg

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9
Q

Adductor brevis

A

actions- adducts thigh

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10
Q

Adductor longus

A

actions- adducts & flexes thigh

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11
Q

Adductor magnus

A

actions- adducts (adductor part) & extends (hamstring part) thigh

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12
Q

Gracilis (L. scanty)

A

actions- flexes & medially rotates the leg, and adducts thigh

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13
Q

Pectineus

A

actions- adducts & flexes thigh

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14
Q

Obturator externus

A

actions- laterally rotates thigh

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15
Q

Gemellus inferior (L. twin)

A

actions- laterally rotates thigh

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16
Q

Gemellus superior

A

actions- laterally rotates thigh

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17
Q

Gluteus maximus

A

actions- extends & laterally rotates thigh, & tenses fascia lata (iliotibial tract)

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18
Q

Gluteus medius

A

actions- abducts & medially rotates thigh; and keeps the pelvis level when opposite leg is raised

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19
Q

Gluteus minimis

A

actions- abducts & medially rotates thigh; and keeps the pelvis level when opposite leg is raised

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20
Q

Obturator internus

A

actions- laterally rotates thigh

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21
Q

Piriformis

A

actions- abducts & laterally rotates thigh

22
Q

Quadratus femoris

A

actions- laterally rotates thigh

23
Q

Biceps femoris

A

actions- flexes leg (both heads) & extends thigh (long head only)

24
Q

Semimembranosus

A

actions- extends thigh & flexes leg

25
Q

Semitendinosus

A

actions- extends thigh & flexes leg

26
Q

Extensor digitorum longus

A

actions- dorsiflexes ankle, and extends digits 2-5 (IP & MP)

27
Q

Extensor hallucis longus (L. hallex, great toe)

A

actions- dorsiflexes ankle, and extends great toe (MP & IP)

28
Q

Peroneus tertius

A

actions- dorsiflexes ankle, and everts foot

29
Q

Tibialis anterior

A

actions- dorsiflexes ankle, and inverts foot

30
Q

Peroneus longus

A

actions- plantar flexes ankle, and everts foot

31
Q

Peroneus brevis

A

actions- plantar flexes ankle, and everts foot

32
Q

Flexor digitorum longus

A

actions- plantar flexes ankle, and flexes digits 2-5 (MP & IP)

33
Q

Flexor hallucis longus

A

actions- plantar flexes ankle, and flexes great toe (MP & IP)

34
Q

Gastrocnemius (S1,2) (G. gaster, belly + kneme, leg)

A

actions- flexes leg, and plantar flexes ankle

35
Q

Plantaris (L. planta, sole)

A

actions- flexes leg, and plantar flexes ankle

36
Q

Popliteus

A

actions- unlocks knee during (initial) flexion

37
Q

Soleus (S1,2)

A

actions- plantar flexes ankle

38
Q

Tibialis posterior

A

actions- plantar flexes ankle, and inverts foot

39
Q

Abductor digiti minimi

A

actions- abducts & flexes 5th digit

40
Q

Abductor halluces

A

actions- flexes & abducts great toe

41
Q

Adductor halluces

A

actions- adducts great toe

42
Q

Extensor digitorum brevis

A

actions- extension of digits 2-5 (MP & IP)

43
Q

Extensor hallucis brevis

A

actions- extension of great toe (MP)

44
Q

Flexor digitorum accessories

A

actions- assists flexor digitorum longus

45
Q

Flexor digitorum brevis

A

actions- flexes toes (proximal IP)

46
Q

Flexor digiti minimi

A

actions- flexion of 5th digit (MP)

47
Q

Flexor hallucis brevis

A

actions- flexion of great toe (MP)

48
Q

Interossei-dorsal

A

actions- abducts (MP) & flexes (MP) & extends (IP) digits 2-4

49
Q

Interossei-plantar

A

actions- adducts & flexes (MP) & extends (IP) digits 3-5

50
Q

Lumbricals

A

actions- flexes proximal phalanges (MP), and extend IP joints

Unit I (13 decks)

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