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Biomechanics > Muscle Chart > Flashcards

Muscle Chart Flashcards

1
Q

Action of Gastrocnemius

A

Flex the knee (tibiofemoral joint)
Plantar Flex the ankle (talocrural joint)

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2
Q

Origin of Gastrocnemius

A

condyles of femur, posterior surfaces

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3
Q

Insertion of Gastrocnemius

A

Calcaneus via Calcaneal tendon

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4
Q

Nerve Innervation of Gastrocnemius

A

Tibial

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5
Q

Action of Soleus

A

Plantar Flex the ankle (Talocrural joint)

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6
Q

Origin of Soleus

A

Soleal like, proximal, posterior surface of tibia and posterior aspect of head of fibula

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7
Q

Insertion of Soleus

A

Calcaneis via calcaneal tendon

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8
Q

Nerve Innervation of Soleus

A

Tibial

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9
Q

Action of Plantaris

A

Plantar Flexion of the ankle (talocrural joint)
Flexion of the knee (tibiofemoral joint)

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10
Q

Origin of Plantaris

A

Lateral Suprocondylar line of femur

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11
Q

Insertion of Plantaris

A

Calcaneus via calcaneal tendon

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12
Q

Nerve Innervation of Plantaris

A

Tibial

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13
Q

Action of Popliteus

A

Medially rotate the flexed knee (tibiofemoral joint)
Flex the Knee

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14
Q

Origin of Popliteus

A

Lateral condyle of the femur

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15
Q

Insertion of Popliteus

A

Proximal, posterior aspect of tibia

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16
Q

Nerve Innervation of Popliteus

A

Tibial

17
Q

Origin of Fibularis Longus

A

Head of fibula
Proximal 2/3 of lateral fibula

18
Q

Insertion of Fibularis Longus

A

Base of the first metatarsal and medial cuneiform

19
Q

Action of Fibularis Longus

A
  1. Evert the foot
  2. assist to plantar flex the ankle
20
Q

Nerve Innervation of Fibularis Longus

A

superficial fibular

21
Q

Origin of Fibularis Brevis

A

Distal 2/3 of lateral fibula

22
Q

Action of Fibularis Brevis

A
  1. Evert the foot
  2. Assist to plantar flex the ankle
23
Q

Insertion of Fibularis Brevis

A

Tuberosity of fifth metatarsal

24
Q

Nerve Innervation of Fibularis Brevis

A

Superficial fibular

25
Q

Origin of Tibialis Anterior

A

Lateral condyle of the tibia, proximal, lateral surface of tibia, interosseous membrane

26
Q

Action of Tibialis Anterior

A
  1. Invert the foot
  2. dorsiflex the ankle
27
Q

Insertion of Tibialis Anterior

A

Medial Cuneiform and base of the first metatarsal

28
Q

Nerve Innervation of Tibialis Anterior

A

Deep fibular

29
Q

Origin of Extensor Digitorum Longus

A

Lateral condyle of tibia, proximal anterior shaft of fibula, and interosseous membrane

30
Q

Action of Extensor Digitorum Longus

A
  1. Extend the2-5th toes
  2. Dorsiflex the ankle
  3. Evert the foot
31
Q

Insertion of Extensor Digitorum Longus

A

Middle and distal phalanges of 2-5th toes

32
Q

Nerve Innervation of Extensor Digitorum Longus

A

Deep fibular

Biomechanics (1 decks)

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