muscles of the leg Flashcards

1
Q

what is a compartment

A

package of muscles wrapped together by connective tissue

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2
Q

what are the 4 compartments of the leg

A
  • anterior
  • lateral
  • superficial
  • deep
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3
Q

name the highlighted muscle, origin, insertion, and movement

A
  • tibialis anterior
  • insertion: base of first metatarsal and medial cuneiform
  • origin: lateral proximal tibia, tibial condyle
  • movement: dorsiflexion, inversion
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4
Q

name the highlighted muscle, origin, insertion and movement

A
  • extensor digitorum longus
  • origin: head of fibula, lateral tibia condyle
  • insertion: lateral 4 toes
  • movement: dorsifelxion, eversion, extension of IP joints
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5
Q

name the highlighted muscle, origin, insertion, and movement

A
  • extensor hallicus longus
  • origin: interosseous membrane
  • insertion: base of distal phalanx of toe 1
  • movement: dorsiflexion, extension of IP joints
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6
Q

name the highlighted muscle, origin, insertion, and movement

A
  • tibialis posterior
  • origin: interosseous membrane
  • insertion: navicular tuberosity, base of 2-4 metatarsal, medial cuneiform
  • movement: plantar flexion, inversion
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7
Q

name the muscle, origin, insertion, and movement

A
  • flexor hallicus longus
  • origin: interosseous membrane
  • insertion: base of distale phalanx of toe 1
  • movement: plantarflexion, inversion, plantarflexion of the MTP and IP joints
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8
Q

name the muscle, origin, insertion, and movement

A
  • flexor digitorum longus
  • origin: posterior surface of tibia
  • insertion: base of distal phalange of toes 2-5
  • movement: plantarflexion, inversion, plantarflexion of MTP and IP joints
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9
Q

which 3 muscles form the achilies tendon?

A
  1. gastrocnemius
  2. soleus
  3. plantaris
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10
Q

name the muscle, origin, insertion, movement

A
  • gastrocnemius
  • origin: medial and lateral femoral condyles
  • insertion: calcaneus (through achilies tendon)
  • movement: plantarflexion, knee flexion
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11
Q

does the gastrocnemius cross a joint? if so, what joint?

A

yes, crosses knee joint

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12
Q

name the muscle, origin, insertion, movement

A
  • soleus
  • origin: posterior surface of tibia and fibula
  • insertion: calcaneus (via achillies tendon)
  • movement: plantarflexion
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13
Q

name the muscle, origin, insertion, and movement

A
  • plantaris
  • origin: lateral femoral condyle
  • insertion: calcaneus (via achillies tendon)
  • movement: plantarflexion, knee flexion
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14
Q

does the plantaris cross a joint? if so what joint?

A

yes, knee joint

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15
Q

name the muscle, origin, insertion, movement

A
  • fibularis longus
  • origin: lateral fibula head
  • insertion: base of first metatarsal
  • movement: plantarflexion, eversion
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16
Q

name the muscle, origin, insertion, and movement

A
  • fibularis brevis
  • origin: lateral side of fibula
  • insertion: base of 5th metatarsal
  • movement: plantarflexion, eversion
17
Q

name the muscle, origin, insertion, and movement

A
  • fibularis taritus
  • origin: anterior surface of fibula
  • insertion: dorsal base of 5th metatarsal
  • movement: dorsiflexion, eversion