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gait
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what's happening in hip at heel strike
glut max and hammies work eccentrically to resist flexion moment
what's happening in hip at foot flat
glut max and hamstrings contract concentrically to bring hip into ext
what's happening in hip at midstance
ilipsoas activity continuing
what's happening in hip at toe off
adductor magnus working ecc to control/stabilize pelvis
iliopsoas activity continuing
rotation of tibia during gait
it's IR in foot flat, but otherwise it's ER
what's happening in knee at heel strike
quad eccentric contraction to control knee flexion/prevent buckling
what's happening in knee at foot flat
quads becomes concentric to bring femur over tibia
what's happening in knee at midstance
gastroc concentric -- starts knee flexion
what's happening in knee at toe-off
quads eccentrically
(the reaction force moves post to joint as knee flexes, creating a flex moment)
what's happening in foot/ankle at heel strike
DF ecc
what's happening in foot/ankle at foot flat
PF ecc
what's happening in foot/ankle at midstance
PF ecc
what's happening in foot/ankle at heel off
PF conc
what's happening in foot/ankle at toe-off
PF conc at peak activity, but become inactive when foot leaves ground
Author
shmvii
ID
279154
Card Set
gait
Description
license exam
Updated
2014-07-18T17:34:54Z
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