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Gross > Anterior and Medial Thigh Muscles > Flashcards

Anterior and Medial Thigh Muscles Flashcards

0
Q

Pectineus insertion

A

Pectineal line of femur, just inferior to lesser trochanter

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1
Q

Pectineus origin

A

Superior ramus of pubis

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2
Q

Pectineus innervation

A 
Femoral nerve (L2, L3)
May receive branch from obturator nerve
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3
Q

Pectineus action

A

Adducts and flexes hip joint

Assists with medial rotation of hip joint

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4
Q

Sartorius origin

A

Anterior superior iliac spine and superior part of notch inferior to it

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5
Q

Sartorius insertion

A

Superior part of medial surface of tibia

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6
Q

Sartorius innervation

A

Femoral nerve (L2, L3)

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7
Q

Sartorius action

A

Flexes, abducts and laterally rotates hip joint, flexes knee joint

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8
Q

Psoas major origin

A

Sides of t12-l4 vertebrae and discs between them, transverse processes of all lumbar vertebrae

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9
Q

Psoas major insertion

A

Lesser trochanter of femur

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10
Q

Psoas major innervation

A

Anterior rami of lumbar nerves

L1, L2, L3

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11
Q

Psoas major action

A

Acting conjointly in flexing hip joint and in stabilizing the joint, psoas major is also a postural muscles that helps control deviation if the trunk and is active during standing

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12
Q

Iliacus origin

A

Iliac crest, iliac fossa, ala of sacrum and anterior sacroiliac ligaments

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13
Q

Iliacus insertion

A

Tendon of psoas major, lesser trochanter and femur distal to it

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14
Q

Iliacus innervation

A

Femoral nerve

L2, L3

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15
Q

Iliacus action

A

Acts with psoas major to flex and stabilize hip joint

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16
Q

Rectus femoris origin

A

Anterior inferior iliac spine and ilium superior to acetabulum

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17
Q

Rectus femoris insertion

A

Via common tendinous (quadriceps tendon) and independent attachments to base of patella, indirectly via patellar ligament to tibial tuberosity,vast us medial is and lateral is also attach to tibia and patella via aponeuroses (medial and lateral patellar retinacula)

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18
Q

Rectus femoris innervation

A

Femoral nerve

L2, l3, l4

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19
Q

Rectus femoris action

A

Extends knee joint

Also stabilizes hip joint and helps ilio psoas flex hip joint

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20
Q

Vastus lateralis origin

A

Greater trochanter and lateral lip of linea aspera

21
Q

Vastus lateralis insertion

A

Via common tendinous (quadriceps tendon) and independent attachments to base of patella, indirectly via patellar ligament to tibial tuberosity,vast us medial is and lateral is also attach to tibia and patella via aponeuroses (medial and lateral patellar retinacula)

22
Q

Vastus lateralis innervation

A

Femoral nerve

L2, l3, l4

23
Q

Vastus lateralis action

A

Extends knee joint

24
Q

Vastus medialis origin

A

Intertrochanteric line and medial lip of linea aspera

25
Q

Vastus medialis insertion

A

Via common tendinous (quadriceps tendon) and independent attachments to base of patella, indirectly via patellar ligament to tibial tuberosity,vast us medial is and lateral is also attach to tibia and patella via aponeuroses (medial and lateral patellar retinacula)

26
Q

Vastus medialis innervation

A

Femoral nerve

L2, l3, l4

27
Q

Vastus medialis action

A

Extends knee joint

28
Q

Vastus intermedius origin

A

Anterior and lateral surfaces of shaft of femur

29
Q

Vastus intermedius insertion

A

Via common tendinous (quadriceps tendon) and independent attachments to base of patella, indirectly via patellar ligament to tibial tuberosity,vast us medial is and lateral is also attach to tibia and patella via aponeuroses (medial and lateral patellar retinacula)

30
Q

Vastus intermedius innervation

A

Femoral nerve

L2, l3, l4

31
Q

Vastus intermedius action

A

Extends knee joint

32
Q

Adductor longus origin

A

Body of pubis inferior to pubic crest

33
Q

Adductor longus insertion

A

Middle third of linea aspera of femur

34
Q

Adductor longus innervation

A

Obturator nerve

L2, l3, l4

35
Q

Adductor longus action

A

Adducts hip joint

36
Q

Adductor brevis origin

A

Body and inferior ramus of pubis

37
Q

Adductor brevis insertion

A

Pectineal line and proximal part of linea aspera of femur

38
Q

Adductor brevis innervation

A

Obturator nerve

L2, l3, l4

39
Q

Adductor brevis action

A

Adducts hip Joint and to some extent flexes it

40
Q

Adductor Magnus origin

A

Adductor part: inferior ramus of pubis, ramus of ischium

Hamstring part: ischial tuberosity

41
Q

Adductor Magnus insertion

A

Adductor part: gluteal tuberosity, linea aspera, medial supracondylar line
Hamstring part: adductor tubercle of femur

42
Q

Adductor Magnus innervation

A

Adductor part: obturator nerve: L2, L3, L4

Hamstring part: tibial part of sciatic nerve: L4

43
Q

Adductor Magnus action

A

Adducts hip joint
It’s adductor part also flexes hip joint
Hamstring part extends it

44
Q

Gracilis origin

A

Body and inferior ramus of pubis

45
Q

Gracilis insertion

A

Superior part of medial surface of tibia

46
Q

Gracilis innervation

A

Obturator nerve

L2, L3

47
Q

Gracilis action

A

Adducts hip joint, flexes knee joint and helps rotate it medially

48
Q

Obturator externus origin

A

Margins of obturator foramen and obturator membrane

49
Q

Obturator externus insertion

A

Trochanteric fossa of femur

50
Q

Obturator externus innervation

A

Obturator nerve

L3, l4

51
Q

Obturator externus action

A

Laterally rotates hip joint, pulls head of femur into acetabulum holding pelvis steady

Gross (31 decks)

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