Lower Flashcards

1
Q

Gastrocnemius: Origin

A

Posterior condyles of femur

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2
Q

Gastrocnemius: Insertion

A

Calcaneus via calcaneal tendon

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3
Q

Gastrocnemius: Action

A
  1. Flexes the knee
  2. Plantar flexes the ankle
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4
Q

Soleus: Origin

A
  1. Soleal line
  2. Posterior aspect of head of fibula
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5
Q

Soleus: Insertion

A

Calcaneus via calcaneal tendon

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6
Q

Soleus: Action

A

Plantar flexes the ankle

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7
Q

Tibialis Anterior: Origin

A
  1. Lateral condyle of tibia
  2. Proximal, lateral surface of tibia
  3. Interosseous membrane
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8
Q

Tibialis Anterior: Insertion

A
  1. Medial cuneiform
  2. Base of 1st metatarsal
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9
Q

Tibialis Anterior: Action

A
  1. Inverts the foot
  2. Dorsiflex the ankle
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10
Q

Fibularis/Peroneus Longus: Origin

A
  1. Head of fibula
  2. Proximal 2/3 of lateral fibula
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11
Q

Fibularis/Peroneus Longus: Insertion

A
  1. Medial cuneiform
  2. Base of 1st metatarsal
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12
Q

Fibularis/Peroneus Longus: Action

A
  1. Everts the foot
  2. Plantar flexes the ankle
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13
Q

Piriformis: Origin

A

Anterior surface of sacrum

Not papable - student should paplate the edge of sacrum

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14
Q

Piriformis: Insertion

A

Greater trochanter

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15
Q

Piriformis: Action

A
  1. Laterally rotate the hip
  2. Abduct the hip when flexed
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16
Q

Gluteus Maximus: Origin

A
  1. Coccyx
  2. Edge of sacrum
  3. Posterior iliac crest
  4. Sacrotuberous and sacroiliac ligaments
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17
Q

Gluteus Maximus: Insertion

A
  1. Iliotibial tract/IT band (upper fibers)
  2. Gluteal tuberosity (lower fibers)
18
Q

Gluteus Maximus: Action

A

All fibers:
1. Extends the hip
2. Laterally rotate the hip

Lower fibers:
Adduct the hip

One action for each fiber direction

19
Q

Tensor Fascia Latae (TFL): Origin

A

Iliac crest just posterior to the ASIS

20
Q

Tensor Fascia Latae (TFL): Insertion

A

Iliotibial tract/IT band (attaches to the tibial/Gerdy’s tubercle)

21
Q

Tensor Fascia Latae (TFL): Action

A
  1. Flexes the hip
  2. Medially rotates the hip
  3. Abducts the hip
22
Q

Gluteus Medius: Origin

A

Gluteal surface of the ilium just below the iliac crest

23
Q

Gluteus Medius: Insertion

A

Greater trochanter

24
Q

Gluteus Medius: Action

A

All fibers:
1. Abduct the hip
2. Stabilize the hip

Anterior fibers
1. Flex the hip
2. Medially rotate the hip

Posterior fibers:
1. Extend the hip
2. Laterally rotate the hip

One action for each fiber direction

25
Q

Rectus Femoris: Origin

A

Anterior inferior iliac spine (AIIS)

26
Q

Rectus Femoris: Insertion

A

Tibial tuberosity via patella and patellar ligament

27
Q

Rectus Femoris: Action

A
  1. Extends the knee
  2. Flexes the hip
28
Q

Biceps Femoris: Origin

A

Ischial tuberosity

29
Q

Biceps Femoris: Insertion

A

Head of fibula

30
Q

Biceps Femoris: Action

A
  1. Flexes the knee
  2. Extends the hip
31
Q

Vastus Medialis: Origin

A

Medial lip of linea aspera

32
Q

Vastus Medialis: Insertion

A

Tibial tuberosity via patella and patellar ligament

33
Q

Vastus Medialis: Action

A

Extends the knee

34
Q

Vastus Lateralis: Origin

A
  1. Lateral lip of linea aspera
  2. Gluteal tubersity
  3. Greater trochanter
35
Q

Vastus Lateralis: Insertion

A

Tibial tuberosity via patella and patellar ligament

36
Q

Vastus Lateralis: Action

A

Extends the knee

37
Q

Gracilis: Origin

A

Inferior ramus of pubis

Student must use a barrier

38
Q

Gracilis: Insertion

A

Pes anserinus tendon

39
Q

Gracilis: Action

A
  1. Adduct the hip
  2. Flex the knee
40
Q

Semitendinosus: Origin

A

Ischial tuberosity

41
Q

Semitendinosus: Insertion

A

Pes anserinus tendon

42
Q

Semitendinosus: Action

A
  1. Flexes the knee
  2. Extends the hip