Gait Flashcards
Normal Gait Speed
1.4 m/s
Define Gait Cycle/Stride
Heel contact to ipsilateral heel contact
Stance Phase
The first 60% of the gait cycle during normal walking speed
From heel contact to toe off
Limb is in contact with the ground supporting body weight
Swing Phase
The last 40% of the gait cycle in normal walking speed
From toe off to contralateral heel contact
Foot off ground and advancing forward
Traditional Subdivisions of Gait
Heel Contact
Foot Flat
Midstance
Heel Off/Rise
Push Off
Toe Off
Primary positive power generator for gait
Ankle Plantarflexors
Secondary positive power generator for gait
Hip flexors
Heel contact
Instant the heel contacts the ground
Foot flat
Entire plantar surface of the foot contacts the ground
Mid-Stance
Body weight passes directly over supporting limb
Frontal Plane Critical Event
Pelvic Stability
Heel Off/Rise
Heel lifts off the ground (30-40% gait cycle)
Push Off
40-60% gait cycle
Active ankle plantarflexion
Push Off
40-60% gait cycle
Active ankle plantarflexion
Toe Off
At 60% gait cycle
Toes leave the ground
8 Rancho Los Amigos Gait Phases
Initial Contact
Loading Response
Mid-Stance
Terminal Stance
Pre-Swing
Initial Swing
Mid-Swing
Terminal Swing
Initial Contact
Heel contacts the ground
0% gait cycle
Loading Response
Initial contact to opposite toe off, weight is rapidly transferred onto stance limb
0-12% gait cycle
Mid-Stance RLA
Opposite Toe off to Heel Rise
12-31% of gait cycle
Terminal Stance
Heel Rise to Contralateral Initial Contact
31 - 50%
Pre Swing
Opposite initial contact to toe off
50 - 62%
Early Swing
Toe off to mid-swing
60 - 75%
Mid-Swing
Roughly when swing knee passes stance knee
75 - 85%