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Gait
FMA
| Question | Answer |
|---|---|
| Gait Cycle | Complete sequence of movement of one limb Repeated during walking |
| Stride | intervole of time of one foot touched the floor to when the SAME foot touches the floor |
| Stride length | Horizontal distance traveled during a stride |
| Stride Width | Side-side distance between feet when walking |
| Step | interval between the time one foot touches the floor & the other foot touches the floor |
| Step Length | Horizontal distance between initial contact of one foot & initial contact of the other foot |
| Cadence | steps per min |
| Stance Limb | Weight-bearing limb Closed chain 2 of 3 tasks of gait are accomplished by the stance limb Single limb support |
| Swing Limb | Non weight bering limb open chain 1 of 3 tasks of gait are accomplished by swing limb Limb advancement |
| Hip flexion | 0-30 |
| Hip extension | 0-10 |
| Knee Flexion | 0-60 |
| Knee Extension | 0 (Neutral) |
| Ankle Dorsiflexion | 0-10 |
| Ankle Flexion | 0-20 |
| Two phase of gait | Stance phase Swing Phase |
| Subphases of gait | Initial contact |
| Loading Response | |
| mid stance | |
| terminal stance | |
| Per swing | |
| Initial swing | |
| mid swing | |
| Terminal swing | |
| Stance Phase | Initial contact |
| loading response | |
| mid stance | |
| terminal stance | |
| per swing | |
| Swing Phase | Initial swing |
| Mid stance | |
| Terminal swing | |
| Initial Contact | First sub-phase Defined as the instant the foot contacts th floor begin shifting BW over stance limb 1st time in Dubble limb support |
| ROM (Initial Contact) | |
| Hip (Initial Contact) | 20 degrees flexion |
| Knee (Initial Contact) | 5 degrees flexion |
| Ankle (Initial Contact) | 0 degrees (neutral) |
| Muscle activity (Initial Contact) | |
| Hip (Initial Contact) | Extensors, ABD, ADD all isometrically contracting to stabilize the hips & trunk |
| Knee (Initial Contact) | Ext/Flx - quads & hamstrings isometrically contract to stabilize the knee Knee is slightly FLX |
| Ankle (Initial Contact) | Dorsi flx is isometrically contracting to motion neutral |
| Critical events (Initial Contact | Heel first contact Heel rocker |
| Loading Response | 2nd sub-phase of gait Begins w/ foot contact & ends with opposite limb toe off Entire plantar surface contacts the floor BW contines to shift over teh stance limb |
| ROM ( Loading Responce ) | |
| HIP ( Loading Responce ) | 20 degrees Flexion |
| Knee ( Loading Responce ) | 15 degrees flexion |
| Ankle ( Loading Responce ) | 5 degrees platarflexion |
| Muscle activity ( Loading Responce ) | |
| Hip ( Loading Responce ) | Extensors, add isometrical contract to maintain hip pos ABD contract eccentrically to limit lateral pelvic tilt |
| Knee ( Loading Responce ) | Quads contract eccentrically |
| Ankle ( Loading Responce ) | DF contracting eccentrically Late in PF phase contracts eccentrically to control the amount of DF |
| Critical Events ( Loading Responce ) | Hip stability Control knee FLX & control ankle PF Shock absorption |