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Anatomy Exam III > Muscles of thigh and gluteal region > Flashcards

Muscles of thigh and gluteal region Flashcards

1
Q

Pectineus- attachments

A

Superior ramus pubis

Pectineal line of femur

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2
Q

Pectineus- action

A

Adducts, flexes, and medially rotates thigh

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3
Q

Pectineus- innervation

A

Femoral n. (L2-L3)

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4
Q

Sartorius- attachments

A

Anterior superior iliac spine

Inferior to medial condyle of tibia via the pes anserinus (common tendon of gracilis, sartorius, & semitendinosus m.)

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5
Q

Sartorius- action

A

Abducts, flexes, and laterally rotates thigh

Flexes and medially rotates leg

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6
Q

Sartorius- innervation

A

Femoral n. (L2-L3)

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7
Q

Rectus femoris- attachments

A

Anterior inferior iliac spine

Patellar (quadriceps) tendon to patella to patellar ligament to tibial tuberosity

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8
Q

Rectus femoris- action

A

Flexes thigh, extends leg

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9
Q

Rectus femoris- innervation

A

Femoral n. (L2-L4)

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10
Q

Vastus lateralis- attachments

A

Greater trochanter of femur, linea aspera of femur
Patellar tendon to patella to patellar ligament to tibial tuberosity, lateral patellar retinaculum to lateral patella and lateral condyle of tibia

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11
Q

Vastus lateralis- action

A

Extends leg

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12
Q

Vastus lateralis- innervation

A

Femoral n. (L2-L4)

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13
Q

Vastus medialis- attachments

A

Intertrochanteric line of femur, linea aspera of femur
Patellar tendon to patella to patellar ligament to tibial tuberosity, medial patellar retinaculum to medial patella and medial condyle of tibia

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14
Q

Vastus medials- action

A

Extends leg

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15
Q

Vastus medialis- innervation

A

Femoral n. (L2-L4)

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16
Q

Vastus intermedius- attachments

A

Anterior surface of femur

Patellar tendon to patella to patellar ligament to tibial tuberosity

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17
Q

Vastus intermedius- action

A

Extends leg

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18
Q

Vastus intermedius- innervation

A

Femoral n. (L2-L4)

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19
Q

Adductor longus- attachments

A

Body of pubis

Linea aspera of femur

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20
Q

Adductor longus - action

A

Adducts & flexes thigh

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21
Q

Adductor longus- innervation

A

Obturator n. (L2-L4)

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22
Q

Adductor brevis- attachments

A

Body & inferior ramus of pubis

Pectineal line of femur, linea aspera of femur

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23
Q

Adductor brevis- action

A

Adducts & flexes thigh

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24
Q

Adductor brevis- innervation

A

Obturator n. (L2-L4)

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25
Q

Adductor magnus (adductor part)- attachment

A

Adductor part: ischiopubic ramus (ramus of ischium + inferior ramus of pubis)
Adductor part: gluteal tuberosity, linea aspera, & medial supracondylar line of femur

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26
Q

Adductor magnus (adductor part)- action

A

Adducts thigh, adductor part: flexes thigh

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27
Q

Adductor magnus (adductor part)- innervation

A

Adductor part: obturator n. (L2-L4)

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28
Q

Adductor magnus (hamstring part)- attachment

A

Ischial tuberosity

Adductor tubercle of femur

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29
Q

Adductor magnus (hamstring part)- action

A

Adducts thigh

Hamstring part: extends thigh or trunk

30
Q

Adductor magnus (hamstring part)- Innervation

A

Tibial n. (L4)

31
Q

Gracilis- attachments

A

Body and inferior ramus of pubis

Inferior to medial condyle of tibia via the pes anserinus

32
Q

Gracilis- action

A

Adducts thigh

Flexes & medially rotates leg

33
Q

Gracilis- innervation

A

Obturator n. (L2-L3)

34
Q

Obturator externus- attachments

A

Margins of obturator foramen externally
External surface of obturator membrane (covers obturator foramen)
Trochanteric fossa of femur

35
Q

Obturator externus- action

A

Laterally rotates thigh

36
Q

Obturator externus- innervation

A

Obturator n. (L3-L4)

37
Q

Gluteus maximus- attachments

A

Ilium posterior to gluteal line, posterior surface of sacrum and coccyx, sacrotuberous ligament
Iliotibial tract to anterolateral (Gerdy’s) tubercle of tibia, gluteal tuberosity of femur

38
Q

Gluteus maximus- action

A

Extends and laterally rotates thigh, extends trunk

39
Q

Gluteus maximus- innervation

A

Inferior gluteal n. (L5-S2)

40
Q

Gluteus medius- attachments

A

Ilium between anterior and posterior gluteal lines

Greater trochanter of femur

41
Q

Gluteus medius- action

A

Abducts and medially rotates thigh

Keeps pelvis level when standing on one leg

42
Q

Gluteus medius- innervation

A

Superior gluteal n. (L5-S1)

43
Q

Gluteus minimus- attachment

A

Ilium between anterior and inferior gluteal line

Greater trochanter of femur

44
Q

Gluteus minimus- action

A

Abducts and medially rotates thigh

Keeps pelvis level when standing on one leg

45
Q

Gluteus minimus- innervation

A

Superior gluteal n. (L5-S1)

46
Q

Tensor of fascia lata- attachment

A

ASIS, iliac crest

IT tract to anterolateral (Gerdy’s) tubercle of tibia

47
Q

Tensor of fascia lata- action

A

Abducts and medially rotates thigh

Keeps pelvis level when standing on one leg

48
Q

Tensor of fascia lata- innervation

A

Superior gluteal n. (L5-S1)

49
Q

Piriformis- attachment

A

Anterior surface of sacrum

Greater trochanter of femur

50
Q

Piriformis- action

A

Laterally rotates an extended thigh

Abducts a flexed thigh

51
Q

Piriformis- innervation

A

Branches of anterior rami of S1-S2

52
Q

Obturator internus- attachment

A

Internal surface of obturator membrane, internal margin of obturator foramen
Greater trochanter of femur

53
Q

Obturator internus- action

A

Laterally rotates an extended thigh

Abducts a flexed thigh

54
Q

Obturator internus- innervation

A

N. to obturator internus (L5-S1)

55
Q

Superior gemellus- attachment

A

Ischial spine

Greater trochanter of femur

56
Q

Superior gemellus- action

A

Laterally rotates and extended thigh

Abducts a flexed thigh

57
Q

Superior gemellus- innervation

A

N. to obturator internus (L5-S1)

58
Q

Inferior gemellus- attachment

A

Ischial tuberosity

Greater trochanter of femur

59
Q

Inferior gemellus- action

A

Laterally rotates an extended thigh

Abducts a flexed thigh

60
Q

Inferior gemellus- innervation

A

N. to quadratus femoris (L5-S1)

61
Q

Quadratus femoris- attachment

A

Ischial tuberosity

Intertrochanteric crest of femur

62
Q

Quadratus femoris- action

A

Laterally rotates thigh

63
Q

Quadratus femoris- innervation

A

N. to quadratus femoris (L5-S1)

64
Q

Semitendinosus- attachment

A

Ischial tuberosity

Inferior to medial condyle of tibia via pes anserinus

65
Q

Semitendinosus- action

A

Extends thigh or trunk

Flexes and rotates leg medially

66
Q

Semitendinosus- innervation

A

Tibial n. (L5-S2)

67
Q

Semimembranosus- attachment

A

Ischial tuberosity

Medial condyle of tibia

68
Q

Semimembranosus- action

A

Extends thigh or trunk

Flexes and medially rotates leg

69
Q

Semimembranosus- innervation

A

Tibail n. (L5-S2)

70
Q

Biceps femoris- attachment

A

Long head: Ischial tuberosity
Short head: Linea aspera of femur and lateral supracondylar line of femur
Head of fibula

71
Q

Biceps femoris- action

A

Long head only: extends thigh or trunk

Both heads: Flex and rotate leg laterally

72
Q

Biceps femoris- innervation

A

Long head: tibial n. (L5-S2)

Short head: common fibular n. (L5-S2)

Anatomy Exam III (5 decks)

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