Gait Kinesiology

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Author:
BryanHimmel
ID:
181240
Filename:
Gait Kinesiology
Updated:
2012-11-02 19:31:25
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Gait kinesiology
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Gait kinesiology
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  1. Heel strike/ initial contact
    -Required ROM?
    -Muscle action?
    • ROM
    • Neutral dorsiflexion
    • slight knee flesxion
    • 25-30 degree hip flexion
    • Muscle action
    • Concentric/eccentric DF
    • slight supination
    • eccentric quads
    • Eccentric/isometric hip extensors
    • isometric hip add
    • eccentric erector spinae
  2. Foot flat/ loading response
    Required ROM?
    Muscle action?
    • ROM
    • 15 degrees of PF
    • 15-20 degrees knee flexion
    • 25-30 degrees of hip flexion
    • Muscle action
    • Eccentric DF
    • Eccentric quads
    • Brief Isometric followed by Concentric Hip extensors
    • Isometric abductors
  3. Midstance
    Required ROM?
    Muscle action?
    • ROM
    • Up to 10 degrees of DF
    • Slight (5 degrees) knee flexion
    • Slight (5 degrees) hip flexion
    • Muscle Action
    • Eccentric PF (soleus)
    • Ankle should be pronated by now
    • Quads/hams fairly inactive
    • Concentric extensors
  4. Heel off/ terminal stance
    Required ROM?
    Muscle action?
    • ROM
    • 15 degrees of DF
    • nearly full knee extension
    • 10 degrees hip extension
    • Muscle action
    • Concentric PF
    • Sub-talar neutral before heel off
    • Knee is inactive
    • Eccentric hip flexors
  5. Toe off/ preswing
    Required ROM?
    Muscle action?
    • ROM
    • 20 degrees PF
    • about 40 degrees knee flexion
    • 10 degrees hip extension to neutral (moving toward flexion)
    • Muscle action?
    • Concentric PF
    • Knee is fairly inactive
    • Hip flexors begin to concentrically contract
  6. Acceleration/ Initial swing
    Required ROM?
    Muscle action?
    • ROM
    • 10 degrees PF (moving toward neutral)
    • knee moves into more flexion
    • hip is neutral& moving into flexion
    • Muscle action
    • Concentric DF
    • Concentric knee flexion
    • Concentric hip flexion
  7. Midswing/midswing
    Required ROM?
    Muscle action?
    • ROM
    • Neutral DF, up to 10 degrees PF
    • 65 degrees of knee flexion
    • continues to flex up to 30 degrees
    • Action
    • Concentric DF
    • Quads begin to extend knee; hams keep it flexed prior to this
    • Hip extensors begin to contract eccentrically
  8. Deceleration/ terminal swing
    Required ROM?
    Muscle action?
    • ROM
    • Ankle is neutral
    • Knee moves towards full extension
    • 25-30 degrees of hip flexion until just before heel strike, then will begin to extend
    • Action
    • Concentric DF
    • Knee is quiet once quads have extended the knee
    • Eccentric hip extension to prepare for heel strike
  9. Possible reasons for an anterior trunk lean at initial contact
    • Hip flexor contracture
    • weak erector spinae
    • weak knee extension
    • decreased DF ROM
  10. What are some possible reasons for circumduction
    • low hip flex strength
    • low knee ROM
  11. What are some possible reasons of posterior trunk lean at initial contact
    weak hip extensors
  12. What are possible reasons for hip hiking
    • leg length discrepency
    • decreased hip flex, knee flex, & DF
    • short/spastic QL
  13. What are possible reasons for vaulting
    • decreased knee flexion ROM or strength
    • leg length discrepency
    • spastic plantar flexors
  14. What are possible reasons for Toe in gait
    • Weak external hip rot
    • anteversion
    • Tight int hip rot
    • Tight IT band
  15. What are possible reasons for toe out
    • femoral retroversion
    • weak int rot
    • tight ext hip rot
  16. what are possible reasons for scissor gait
    • hip adductor spasticity
    • short internal hip rot
    • weak ext hip rot
    • weak hip abd
  17. What is the definition of initial contact?
    Heel contacts the ground
  18. What is the definition of foot flat?
    • Beginning:  just after initail contact when body weight is being tranferred onto leg an entire foot makes contact with the ground
    • Ending:  Opposite foot leaves the ground
  19. What is the definition of midstance?
    • Beginning:  Opposite foot leaves the ground
    • Ending:  Body is directly over the weight-bearing limb
  20. What is the definition of terminal stance?
    • Beginning:  as the heel of weight-bearing leg rises
    • Ending:  inital contact of the opposite foot; the body has moved in fron of the weight-bearing leg
  21. What is the definition of preswing?
    • Beginning:  inital contact and weight shifting onto the opposite leg
    • Ending:  just before toes of weight-bearing leg leaves te ground
  22. What is the definition of initial swing?
    • Beginning:  The toes leave the ground
    • Ending:  The swing foot is opposite the weight-bearing, and the knee is in maximum flexion
  23. What is the definition of midswing?
    • Beginning:  The swing foot is opposite the weight-bearing foot
    • Ending:  The swing leg has moved in fron of the body and the tibia is in vertical position
  24. What is the definition of terminal swing?
    • Beginning:  the tibia is in a vertical position
    • Ending:  just prior to inital contact

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