Leg I & II: Origin, Insertion, Action Flashcards

1
Q

Gastrocnemius

A

O - Lateral condyle of femur
I - Calcaneus via calcaneal tendon
A - Plantar Flexion, flexion at knee

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1
Q

Soleus

A

O -Posterior/superior aspect of tibia and fibula
I - Calcaneus via calcaneal tendon
A - Plantar flexion at ankle

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2
Q

Plantaris

A

O - Lateral condyle of femur
I - Calcaneus via calcaneal tendon
A - Weak plantar flexion at ankle, proprioception

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3
Q

Popliteus

A

O -Lateral condyle of femur
I - Posterior tibia above soleus
A - Weak knee flexion, unlock knee

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4
Q

Tibialis Posterior

A

O - Interosseous membrane, posterior tibia and fibula
I - Navicular, cuneiforms (MIL), cuboid, base of 2-4 (metatarsals)
A - Flexion of every joint proximal-distal attachment points, plantar flexion at ankle, arch support

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5
Q

Flexor Hallicus Longus

A

O - Posterior fibula, interosseous membrane
I - Distal phalanges
A - Flexion of every joint proximal-distal attachment points, plantar flexion at ankle, arch support

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6
Q

Flexor Digitorum Longus

A

O - Posterior tibia, interosseous membrane
I - Distal Phalanges
A - Flexion of every joint proximal-distal attachment points, plantar flexion at ankle, arch support

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7
Q

Tibialis Anterior

A

O - Lateral surface of tibia, interosseous membrane
I - Medial cuneiform; 1st metatarsal base
A - Dorsiflexion at ankle, inversion of foot, arch support

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8
Q

Extensor Hallicus Longus

A

O - Anterior fibula, interosseous membrane
I - Distal phalanx of great toe
A - Dorsiflexion at ankle, extension of great toe

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9
Q

Extensor Digitorum Longus

A

O - Anterior fibula, interosseous membrane
I - Middle & Distal phalanges
A - Dorsiflexion at ankle, extension of lateral 4 digits

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10
Q

Fibularis Longus

A

O - Lateral condyle of fibula
I - Medial cuneiform; 1st metatarsal base
A - Eversion of foot, weak plantar flexion, arch support

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11
Q

Fibularis Brevis

A

O - Lateral aspect of fibula
I - Base of 5th metatarsal
A - Eversion of foot, weak plantar flexion, arch support

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