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The foot and ankle
Terms in this set (47)
how many bones are in the foot?
how many phalanges?
how many metatarsals ?
how many tarsals?
What are phalanges designed to do?
to give a wider base for balance and propelling the body forward
what is the proper name for the big toe?
Where are the 2 sesamoid bones located?
Under the first MP joint
what is an MP joint?
Metatarsal phalangeal- where the metatarsal and phalanges meet.
what is a sesamoid bone?
a floating bone
Whats the heal bone called and what does it do?
calcaneous and supports the talus and shapes the heal.
what do tarsals do?
Aid in support of the body
1st bone off the MP joint on 1-3 phalanges
What is an IP joint?
Inter phalangeal joint
what motions are in IP joints
Flexion and extension
what is the MP joint?
metatarsal phalangeal joint
What are the motions in a MP joint?
flexion,extension,abduction and adduction.
What is a IM joint?
inter metatarsal joint
what motion is in a IM joint ?
What is the TM joint?
Tarsal metatarsal joint
what motion is in the TM joint?
What is the tibia?
most weight bearing bone in the leg
what is the fibula?
non weight bearing bone. mainly muscle and ligament attachment
What is the talus
main weight bearing bone in the foot
what do ligaments attach?
bone to bone
What do ligaments in the ankle prevent?
extension of the hallux
extention of the 2-5 phalanges
inversion and dorsiflexion of foot/ankle but primarily dorsiflexion
Gastronomic / soleus
Plantar flexion of ankle
inversion plantar flexion
eversion/plantarflexion of ofankle
What is Gait?
any manner of walking stepping or running
What are the 2 phases?
Stance phase and swing phase
what % of the time are you in stance phase walking
What is stance phase?
Any time when your foot is in contact with the ground
what is swing phase?
When your foot is not in contact with the ground
what are the 5 periodsof stance phase?
1. initial contact
2. loading phase
4. terminal stance(Single limb support)
5. Toe off(pre-swing)
what is the difference between running gait and running gait?
load and midstance = more rapid stance phase is 33% of the cycle
supination of the foot
pronation of the arch
whats the most common ankle sprain?
Lateral ankle sprain?
whats the mechanism of a lateral ankle sprain?
inversion and plantarflexion
Hallux valgus deformity
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