Restitution and compensation in the recovery of function in the lower extremities of stroke survivors : design of evaluation and training methods


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Asseldonk van, Edwin Hendricus Franciscus (2008) Restitution and compensation in the recovery of function in the lower extremities of stroke survivors : design of evaluation and training methods. thesis.

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Abstract:Since restoration of motor function in walking and stance is an important aspect in the
rehabilitation of stroke patients, insight in the responsible recovery mechanisms is of
great importance. Generally, two recovery mechanisms are distinguished: restitution and
compensation. In restitution, the increase in motor function is attributed to a return of original
movements and or function of the paretic leg, whereas in compensation the increase in motor
function is ascribed to the emergence of new movement strategies or to secondary adaptations
in the non paretic leg to compensate for the decreased motor abilities in the paretic leg. To
assess the contribution of the different mechanisms in the recovery of motor function, we need
to develop appropriate methods to quantify restitution and compensation in time. Besides, the
contribution of the separate recovery mechanisms can also be derived from the effectiveness
of therapeutic interventions that focus specifically on using original movement patterns
(restitution) or alternative movement strategies (compensation). Robotic rehabilitation devices
can well be used in emphasizing the use of certain movement strategies during training, as they
can support the movements of the subject during practicing. However, practicing compensatory
strategies in the device is only possible if the mechanical design of the device allows for it and
if the control of the device provides the flexibility to the subjects in choosing their movement
strategy. The latter requires the implementation of “assist-as-needed” algorithms that only
provide assistance to the subject when it is needed to successfully fulfill the task.
Item Type:Thesis
Faculty:
Engineering Technology (CTW)
Research Group:
Link to this item:http://purl.utwente.nl/publications/58770
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