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Anatomy Week 4 > Muscles of the Anterior Thigh (MT) > Flashcards

Muscles of the Anterior Thigh (MT) Flashcards

1
Q

Psoas Major (Iliopsoas) origin

A

T12 to L5 vertebrae

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2
Q

Psoas Major (Iliopsoas) insertion

A

lesser trochanter of femur

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3
Q

Psoas Major (Iliopsoas) innervation

A

L1 - L3 Ventral Rami

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4
Q

Psoas Major (Iliopsoas) action

A

Hip Flexion (strongest)

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5
Q

Iliacus (Iliopsoas) origin

A

Iliac Fossa

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6
Q

Iliacus (Iliopsoas) insertion

A

Lesser trochanter of Femur

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7
Q

Iliacus (Iliopsoas) innervation

A

Femoral N. (L2-L4)

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8
Q

Iliacus (Iliopsoas) action

A

Hip Flexion (strongest)

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9
Q

Recturs Femoris (Quadriceps femoris) origin

A

Straight Head - anterior Iliac spine (AIIS)

Reflected Head - Superior Aspect f Acetabulum

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10
Q

Recturs Femoris (Quadriceps femoris) insertion

A

Patella and Tibial Tuberosity via the quadriceps tendon and patellar ligament

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11
Q

Recturs Femoris (Quadriceps femoris) innervation

A

Femoral N. (L2-L4)

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12
Q

Recturs Femoris (Quadriceps femoris) action

A

Knee Extention, and HIP FLEXION

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13
Q

Vastus Lateralis (Quadriceps femoris) origin

A

Femur

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14
Q

Vastus Lateralis (Quadriceps femoris) insertion

A

Patella and Tibial Tuberosity via the quadriceps tendon and patellar ligament

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15
Q

Vastus Lateralis (Quadriceps femoris) innervation

A

Femoral N (L2-L4)

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16
Q

Vastus Lateralis (Quadriceps femoris) action

A

Knee Extension

17
Q

Vastus Intermedius (Quadriceps femoris) origin

A

Femur

18
Q

Vastus Intermedius (Quadriceps femoris) insertion

A

Patella and Tibial Tuberosity via the quadriceps tendon and patellar ligament

19
Q

Vastus Intermedius (Quadriceps femoris) innervation

A

Femoral N. (L2-L4)

20
Q

Vastus Intermedius (Quadriceps femoris) action

A

Knee extension

21
Q

Vastus Medialis (Quadriceps femoris) Origin

A

Femur

22
Q

Vastus Medialis (Quadriceps femoris) insertion

A

Patella and Tibial Tuberosity via the quadriceps tendon and patellar ligament

23
Q

Vastus Medialis (Quadriceps femoris) innervation

A

Femoral N. (L2-L1)

24
Q

Vastus Medialis (Quadriceps femoris) action

A

Knee Extension

25
Q

What muscles of the anterior thigh are innervated by the Femoral N?

A

Iliacus (iliopsoas), Quadriceps Femoris (all), Sartorius

26
Q

Sartorius origin

A

Anterior Superior Iliac Spine (ASIS) of Ilium

27
Q

Sartorius insertion

A

Pes Anserinus (anterior slip) on medial aspect of the Tibia

28
Q

Sartorius innervation

A

Femoral N. (L2-L4)

29
Q

Sartorius action

A

Hip Flexion, abduction of Thigh, Lateral rotation of the Thigh, Knee Flexion

30
Q

What muscles of the anterior thigh act in hip flexion?

A

Iliopsoas (stongest), Rectus Femoris (weak), Sartorius

31
Q

What muscles of the anterior thigh act in knee extension?

A

Quadriceps Formoris

Anatomy Week 4 (17 decks)

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