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Undergrad Anatomy > Muscles: Lower Limb > Flashcards

Muscles: Lower Limb Flashcards

1
Q

Fibularis Longus:

-Origin, Insertion and Action

A

Origin: Lateral surface of the fibula

Insertion: Medial cuneiform and the base of the first metatarsal bone

Action: Plantar flexion

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2
Q

Fibulas Brevis:

-Origin, Insertion and Action

A

Origin: Lateral surface of the fibula

Insertion: At the base of the 5th metatarsal

Action: Plantar Flexion

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3
Q

Gastrocnemius:

-Origin, Insertion and Action

A

Origin: Lateral condyle of the femur

Insertion: Posterior surface of the calcaneous

Action: Plantar flexion and inversion of the ankle

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4
Q

Popliteus:

-Origin, Insertion and Action:

A

Origin: Lateral condyle of the femur

Insertion: Posterior surface of the tibia, above the soleal line

Action: Assists in rotation and flexion (passes over the knee pit)

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5
Q

Tensor Fascaie Latae:

-Origin, Insertion and Action

A

Origin: Anterior Superior Iliac Spine (ASIS)

Insertion: Iliotibial tract

Origin: Knee extension/ support and lateral rotation of the hip

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6
Q

Sartorius:

-Origin, Insertion and Action

A

Origin: Anterior Superior Iliac Spine (ASIS)

Insertion: Medial surface of the tibia

Action: Assists in Knee Flexion, as well as flexion, abduction and lateral rotation of the hip

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7
Q

Rectus Femoris:

-Origin, Insertion and Action

A

Origin: Anterior Inferior Iliac Spine

Insertion: Patella and Tibial Tuberosity

Action: Knee Extension

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8
Q

Iliacus:

-Origin, Insertion and Action

A

Origin: Iliac fossa and Iliac crest–ala of the sacrum

Insertion: Lesser trochanter of the femur

Action: Flexion of the hip

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9
Q

Psoas Major:

-Origin, Insertion and Acton

A

Origin: Bodies and transverse processes of the lumbar vertebrae

Insertion: Lesser trochanter of the femur

Action: Flexion of the hip

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10
Q

Obturator Internus:

-Origin, Insertion and Acton

A

Origin: Inner surface of the obturator membrane and pubic/ iliac borders

Insertion: Greater trochanter of the femur

Action: Lateral rotation of the hip

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11
Q

Superior Gemellus:

-Origin, Insertion and Action:

A

Origin: Internal surface of the obturator membrane and margin of the obturator foramen

Insertion: Greater trochanter of the femur

Action: Lateral rotation of the hip

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12
Q

Inferior Gemellus:

-Origin, Insertion and Action

A

Origin: Ischial tuberosity

Insertion: Greater trochanter of the femur

Action: Lateral rotation of the hip

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13
Q

Piriformis:

-Origin, Insertion and Action

A

Origin: Anterior Surface of the Sacrum

Insertion: Greater trochanter of the femur

Action: Lateral rotation of the hip

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14
Q

Gluteus Medius:

-Origin, Insertion and Action

A

Origin: Ilium, between the posterior and anterior gluteal lines

Insertion: Greater trochanter of the femur

Action: Abduction and medial rotation of the hip

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15
Q

Gluteus Minimus:

-Origin, Insertion and Action

A

Origin: Ilium between the anterior and inferior gluteal lines

Insertion: Greater trochanter of the femur

Action: Abduction and medial rotation of the hip

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16
Q

Vastus Lateralis:

-Origin, Insertion and Action

A

Origin: Lateral lip of the lines aspera and the gluteal tuberosity

Insertion: Tibial tuberosity

Action: Knee Extension

17
Q

Vastus Intermedius:

-Origin, Insertion and Action

A

Origin: Anterior and Lateral surface of the femur

Insertion: Tibial tuberosity

Action: Knee Extension

18
Q

Vastus Medialis:

-Origin, Insertion and Action

A

Origin: Medial inter muscular septum and medial lip of the linea aspera

Insertion: Tibial Tuberosity

Action: Knee Extension

19
Q

Adductor Magnus:

-Origin, Insertion and Action

A

Origin: Ischiopubic ramus and ischial tuberosity

Insertion: Linea aspera of the femur

Action: Adduction of the leg

20
Q

Adductor Longus:

-Origin, Insertion and Action

A

Origin: Medial portion of the superior pubic ramus

Insertion: Linea aspera of the femur

Action: Adduction of the leg

21
Q

Adductor Brevis:

-Origin, Insertion and Action

A

Origin: Inferior pubic ramus

Insertion: Linea aspera of the femur

Action: Adduction of the leg

22
Q

Soleus:

Origin, Insertion and Action

A

Origin: Head and upper shaft of the fibula and soleal line of the tibia

Insertion: Posterior surface of the calcaneous

Action: Plantar Flexion

23
Q

Plantaris:

-Origin, Insertion and Action

A

Origin: Above the lateral femoral condyle

Insertion: Posterior surface of the calcaneous

Action: Plantar flexion and inversion of the ankle

24
Q

Gluteus Maximus:

-Action

A

Action: Extension and lateral rotation of the hip

25
Q

Quadratus Femoris:

-Action

A

Action: Lateral rotation of the hip

26
Q

Pectineus:

-Action

A

Action: Adduction of the leg

27
Q

Gracilis:

-Action:

A

Action: Adduction of the leg

also aids in knee flexion

28
Q

Biceps Femoris:

-Action

A

Action: Knee flexion and hip extension

29
Q

Semimembranosus:

-Action

A

Action: Knee flexion and hip extension

30
Q

Semitendinosus:

-Action

A

Action: Knee flexion and hip extension

31
Q

Tibilias Posterior:

-Action

A

Actions:

  • Inversion of the ankle
  • Plantar flexion
32
Q

Tibialis Anterior:

-Action

A

Action:

  • Inversion of the ankle
  • Dorsiflexion
33
Q

Flexor Digitorum Longus:

-Action

A

Action: Flexion of digit 1 and plantar flexion

34
Q

Flexor Hallucis Longus:

-Action

A

Flexion of digit 1 and plantar flexion

35
Q

Extensor Digitorum Longus:

-Action

A

Extension of the digits and dorsiflexion

36
Q

Extensor Hallucis Longus:

-Action

A

Extension of digit 1 and dorsiflexion

37
Q

Superior/ Inferior Extensor Retinaculum

-Action

A

Wraps around the anterior of the foot to prevent over-extension

38
Q

Flexor Retinaculum:

-Action

A

Wraps medially around the foot

Undergrad Anatomy (21 decks)

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