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68 Cards in this Set
- Front
- Back
What forms the ankle joint?
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Articulation of the tibia & fibula w/talus bone of foot
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What forms the subtalar joint?
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Talus articulates w/calcaneus (heel bone) to form the subtalar joint and w/navicular bone to form longitudinal arch of foot
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What 2 bones make up the ankle bone?
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The medial & lateral malleoli
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What forms the subtalar joint?
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The inferior articulation w/the calcaneus
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Where is the talus located?
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Talus lies between tibia & calcaneus
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What bone is referred to as the heel bone?
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Calcaneus
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The inferior articulationn w/talus and calcaneus forms what joint?
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Subtalar
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What forms the metatarsal joint?
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The navicular articulating w/talus on medial side of foot AND cuboid articulating w/calcaneus on lateral side
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The talus articulates w/ what on the medial side of foot to form part of the midtarsal joint?
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navicular
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The talus articulates w/what on the lateral side of foot to form the midtarsal joint?
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Cuboid
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The 3 cuneiform bones articulate w/ what?
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Articulate proximally w/navicular and cuboid bones, AND distally w/medial four toes
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The 3 cuneiform bones articulate distally with what?
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Medial 4 toes
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What is the ankle joint?
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Synovial hinge joint formed by the articulation of talus & tibia
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The articulation of what forms the ankle joint?
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Talus & tibia
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What membrane transfers the force between the tibia and fibula??
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Interosseous membrane
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What is the interosseous membrane?
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Is responsible for transferring force between tibia and fibula (keeps bones from spreading)
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What do the medial and lateral collateral ligaments do?
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provide stability by limiting side-to-side movement in frontal plane
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T/F
Medial libament has three sections and is often called the deltoid ligament. |
True
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What's another name for the deltoid ligament?
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Medial ligament
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What is the subtalar joint?
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A nonaxial sliding joint formed by articulation of talus and calcaneus
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What does the subtalar joint do?
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Inversion & eversion
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The articulation of talus and calcaneus from what joint?
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Subtalar joint
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What makes up the tarsometatarsal joint?
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articulation of cuneiforms and cuboid w/ metatarsals
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Articulation of cuneiforms and cuboid w/metatarsals from what joint?
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Metatarsal joint
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What is the metatarsophalangeal joint?
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Found at ball of foot where the metatarsals and phalanges meet
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Metatarsals and phalanges meet at the ball of foot to form what joint?
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Metatarsophalangeal joint
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What makes up the interphalangeal joint?
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articulation of two phalanxes
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How many interphalangeal joints do the digits have?
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Two (except the great toe, which only has one)
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The great tow has how many interphalangeal joints?
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One
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The interphalangeal joints are called proximal or distal based on what?
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Their relative positions in the digits
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What is Plantar Flexion of the foot?
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Occurs when the plantar surface (sole) of foot is moved toward ground (as in point the foot)
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Pointing the foot/toes toward the ground is know as what?
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Plantar flexion
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Pointing the toes toward the shin is knows as what?
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Dorsiflexion
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What occurs when the dorsal surface of the foot approaches the shin(tibia)?
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Dorsiflexion
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What is Inversion?
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Rolling the plantar surface of the foot inward (big toe's position is pointing laterally)
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What is eversion?
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When the plantar surface is rotated outward (medial side is toward ground, lateral side is upward)
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Rolling the plantar surface of the foot inward is known as what?
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Inversion
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Rolling the plantar surface of the foot outward is known as what?
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Eversion
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What is the tibialis anterior?
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Shin splint muscle. Runs from the lateral side of anterior tibia across the anterior ankle to medial cuneiform and first metatarsal
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What is the extensor digitorum longus?
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Located on fibula, lateral to tibialis anterior
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What makes up the tendons on top of the foot?
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Extensor digitorum longus
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What is the extensor hallucis longus?
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muscle of the big toe, points toe upward
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What muscle points the big toe upward?
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Extensor Hallucis Longus
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The 3 cuneiform bones articulate proximally with what?
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Proximally w/ navicular & cuboid bones
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The calcaneus articulating w/talus forms what joint?
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Subtalar
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What forms the longitudinal arch of the foot?
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Talus articulates w/navicular bone to form the longitudinal arch
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What makes up the subtalar joint?
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Calcaneus articulating w/talus
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What muscle is lateral to the anterior tibia (also known as shin splint muscle)?
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Tibialis anterior
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Where is the Peroneus Longus & Brevis located?
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On lateral side of lower leg
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Where is the Gastrocnemius?
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The "Calf muscle", attaches via achilles tendon...from femoral condyles to distal attachment at calcaneus.
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What 3 muscles attach via the achilles tendon?
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Plantaris
Soleus Gastrocnemius |
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Where is the Soleus located?
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Deep to the gastrocnemius from the shaft of tibia and fibula to the calcaneus via Achilles tendon.
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Where is the Flexor Digitorum Logus?
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Beneath the medial malleolus, deep to gastrocnemius & soleus muscles
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Where is the Tibialis Posterior?
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Crosses medial malleolus just posterior to frontal plane.
Flexor of Big toe |
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What does the Flexor Hallucis Longus flex?
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Big toe
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Where is the Extensor Digitorum Brevis?
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Runs from calcaneus to medial four digits.
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What muscle is a dorsiflexor?
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Tibialis Anterior
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What muscle does Inversion?
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Tibialis Anterior
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What action does the Tibialis Anterior have?
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Dorsiflexion & Inversion
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What are the 2 toe extensors?
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Extensor Digitorum Longus
Extensor Hallicus Longus |
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What action does the Peroneus Longus & Brevis have?
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Eversion
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What leg muscle is responsible for eversion?
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Peroneus Longus & Brevis
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Which muscles are responsible for Plantar flexion (pointing toes)?
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Gastrocnemius
Soleus |
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What muscles are reponsible for tow flexion?
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Flexor Digitorum Longus
Flexor Hallicus Longus |
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What muscle inverts?
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Tibialis Posterior
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What muscle is responsible for toe extension?
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Extensor Digitorum Brevis
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What's the action of Extensor Digitorum Brevis?
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Toe Extension
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What's the action of the Tibialis Posterior?
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Inversion of the foot
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