Leg and Foot Flashcards
Bones of the Foot
Calcaneus
Cuboid
Cuneforms
Navicular
Talus
Numbered Metatarsals
Phalanges
Extensors of the Ankle and Toe
Tibialis Anterior
Extensor Digitorum Lingus
Extensor Hallucis Longus
Flexors of the Ankles and Toes
Tibialis Posterior
Flexor Digitorum Longus
Flexor Hallucis Longus
The Foot
Extensor Digitorum Brevis
Flexor Digitorum Brevis
Abductor Hallucis
Abductor Digiti Minimi
Gastrocnemius Action
Flex Knee, Plantar Flex
Gastrocnemius Origin and Insertion
O: Condyles of the femur, posterior surfaces
I: Calcaneus via Cal. tendon
Soleus Action
Flex Knee, Plantar Flex
Soleus Origin and Insertion
O: Soleal line, proximal, posterior surface of the tibia, posterior aspect of the head of the fibula
I: Calcaneus via Cal. tendon
Plantaris Action
Weak Plantar flexion, weak knee flex
Plantaris Origin and Insertion
O: Lateral supracondylar line of femur
I: Calcaneus
Popliteus Action
Medially rotate knee, flex knee
Popliteus Origin and Insertion
O: Lateral Condyle of the femur
I: Proximal posterior aspect of the tibia
Peroneus Longus Action
Everts foot, plantar flex
Peroneus Longus Origin and Insertion
O: head of fibula, proximal 2/3 of lateral fibula
I: Base of 1st metatarsal and medial cuniform
Peroneus Brevis Actions
Everts foot, plantar flex
Peroneus Brevis Origin and Insertion
O: Distal 2/3 of lateral fibula
I: tuberosity of 5th metatarsal
Tibialis Anterior Actions
Invert, dorsiflex
Tibialis Origin and Insertion
O:
Tibia:
Lateral condyle
proximal lateral surface
AND interserrosus membrane
I: Medial cuniform and 1st metatarsal
Extensor Digitorum Longus Action
extend 2-5th toe
Dorsiflex
Evert foot
Extensor Digitorum Longus Origin and Insertion
O:
Tibia: lateral Condyle
Fibula: anterior shaft
Interserousous membrane
I: Middle and distal phalanges of 2-5 toes
Extensor Hallucis Longus Action:
Extend 1st toe
Dorsiflex
Invert
Extensor Hallucis Longus Origin and Insertion
O: middle anterior surface of fibula and interosseous membrane
Tibialis Posterior Action:
Invert, Plantar Flex
Tibialis Posterior Origin and Insertion:
O: proximal posterior shaft of tibia and fibula and interserousus membrane
I: all 5 tarsal bones and 2-4 metatarsals
Flexor Digitorum Longus Action
Flex 2-5 toe, weak plantar flex, invert foot
Flexor Digitorum Longus Origin and Insertion
O: middle posterior surface of tibia
I: distal phalanges of 2-5 toe
Flexor Hallucis Longus Actions
Flex 1st toe
weak plantar flex
invert foot
Flexor Hallucis Longus Origin and Insertion
O: Middle half of posterior fibula
I: distal phalanx of 1st toe
Extensor Digitorum Brevis Action
Extend 2-5 toe
Extensor Digitorum Brevis O and I
O: dorsal surface of calcaneus
I: 2-5 toes
Flexor Digitorum Brevis Action
flex middle phalanges of 2-5 toe
Flexor Digitorum Brevis O and I
O: medial process of calcaneus and plantar aponeurosis
I: middle phalnges 2-5 toe
Abductor Hallicus Actions
Abduct 1st toe, assist to flex 1st toe
Abductor Hallicus O and I
O: Medial Process of calcaneus and plantar aponeurosis
I: proximal phalanx of 1st toe and medial sesamoid bone
Abductor Digiti Minimi Action
Flex 5th toes
assist to abduct 5th toe
Abductor Digiti Minimi O and I
O: lateral process of calcaneus and plantar aponeurosis
I: proximal phalanx of 5th toe
