Hand and Foot Detail
Biomechanical Analysis

Hand and Foot Mechanics

  • Digitize anatomical landmarks to define the dimensions and co-ordinate systems of each hand or foot bone.
  • Look at relative carpal, metacarpal, and phalanx bone movements or movements relative to a proximal segment such as the forearm or shank.
  • Use defined protocols, such as the ISB recommendations, to assign specific axes layouts and Euler angles sequences. Alternatively, use default axes for quick setup in a clinical setting.
  • Use defined protocols, such as the i-Fab recommendations, Oxford, Milwaukee, or Heidelberg foot markersets and models, within The MotionMonitor

To the left, three sensors attached to the hallux, navicular bone, and calcaneus are depicted by the smaller coordinate axes. The data window displays a graph of the Euler rotation about the Y axis of the hallux. It is being displayed in the reference frame of the navicular bone and represents flexion of the hallux relative to the mid-foot.

 

 

 

 

 

To the right, markers are attached to the individual bones of the foot. The MotionMonitor allows the user to define unique coordiate systems for each bone or segment. Data can be analyzed using the Oxford, Milwaukee, Heidelberg or user-defined foot models. 

To the left, a similar display is depicted for the hand detail. Here the third proximal phalanx is being tracked relative to the third metacarpal. Flexion of the third proximal phalanx relative to the third metacarpal is displayed in the data window on the left.

Click here to watch videos of hand and foot data collections

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