stairs Flashcards
1
Q
2 phases of stairs (and % time)
A
- stance phase (64%)
2. swing phase (36%)
2
Q
ascending stairs- muscles in stance phase
hip
knee
ankle
A
hip - concentric glut max (extensor)
knee- concentric quads (extensor)
ankle- PF
3
Q
ascending stairs- muscles in swing phase
hip
knee
ankle
A
hip- con flexors
knee- con-> ecc flexors
ankle- con DF
4
Q
3 phases of stance phase (ascending stairs)
A
- weight acceptance
- pull up
- forward continuance
5
Q
2 phases of swing phase (stairs)
A
- foot clearance
2. foot placement
6
Q
descending stairs 4 phases
A
- wt acceptance- one foot touches next step
- lowering - bend knee and flex ankle => next step
- foot clearance- flex knee- point ankle
- foot placement
7
Q
muscles in lowering phase of descending stairs
hip
knee
ankle
A
these are controlling the flexion
hip- ecc ext
knee- ecc ext
ankle- ecc PF
8
Q
muscles in foot clearance phase of descending stairs
hip
knee
ankle
A
most amt of hip and knee flexion
hip- con flex
knee- con flex
ankle- con DF