Movement analysis introduction

• Also need to consider:

  • Why and where you are looking – pragmatics
  • Method of analysis depends on need for:
  • Accuracy
  • Validity
  • Reliability
• Methods of analysis:

  • Motion capture
  • Electromyography
  • Force plates
  • Goniometry
  • Dynamometry
  • Observation
• Collectively they give us – Essential components:

  • Common features across individuals
  • Kinematic features (what you see/should see)
  • Kinetic requirements (forces that produce the movement)
• What movements are we focusing on

  • Sit to stand
  • Reach and grasp
  • Balance
  • Gait
• Ground Reaction Force:

  
• Sit to stand - In older populations:

  • Slower rise times (particularly female)
  • Flexion momentum (velocity) less (particularly female)
  • Reduced overlap on transition
• A brief word on stand to sit:

  • Eccentric control of extensors
  • Knees ‘unlock’ prior to flexion of trunk/hips
  • Close correlation between flexion at all joints through movement to create smooth descent