Running Flashcards
1
Q
Running Compared to Walking
A
- double float period
- narrower base of support
- increased motion (knee)
- increased muscle activity
- GRF 2.5-3 x BW
- Reduced stance time 0.2sec
2
Q
GRF in running
A
-2.5-3 x BW
3
Q
Stance time Running
A
0.2 seconds
4
Q
Stance Time Walking
A
0.6 seconds
5
Q
Swing phase is _____% of cycle in running
A
-70%
6
Q
Stance Phase is _____ % of Cycle in running
A
30%
7
Q
Contact Phase Components
A
- heel strike
- midfoot
- forefoot
8
Q
During Contact Phase
A
- rigid foot
- foot slightly ahead
- knee flexed (20*)
9
Q
Contact Phase:
Mid-Support Phase
A
- foot pronated
- hip/knee flexion, IR
- knee 30-40* flexed
- dorsiflexion 10-20*
10
Q
Contact Phase:
Take-Off
A
- foot supinated
- great toe ext
- triple extension
11
Q
Triple Extension
A
- ext hip, knee, PF ankle
- propulsion
12
Q
Windlass Mechanism
A
- plantar fascia tighter with MTP extension
- raises arch
13
Q
Swing Phase Components
A
- follow through
- forward swing
- Foot descent
14
Q
Swing:
Follow Through
A
- end of backward momentum
- hip extension (result of push off)
15
Q
Swing:
Forward Swing
A
- limb drives forward
- triple flexion (hip, knee, DF)
- hip flexion 45-60*
