Monday, November 24, 2014

Stride frequency and length adjustments in post-stroke individuals: Influence on the margins of stability

This just proves the f*cking stupidity out there. We seem to have NO written protocol for walking. With no protocol we can't tell what works or doesn't work. And with ten of thousands of therapists in the US, each working on their own ideas it is a disaster in the making and stroke survivors are the ones being badly affected.  Never ever listen to anyone who gives you the craptastic statement; 'All strokes are different, all stroke recoveries are different'.  That is just pure laziness on whomever is saying that. Fire them immediately.
http://www.docguide.com/stride-frequency-and-length-adjustments-post-stroke-individuals-influence-margins-stability?

Houdijk H, van der Wurff P, Prins M, Beek P, van Dieën J; Journal of Rehabilitation Medicine (Nov 2014)

Objective: To investigate whether post-stroke participants can walk at different combinations of stride frequency and stride length and how these adaptations affect the backward and medio-lateral margins of stability. Setting: Computer Assisted Rehabilitation Environment (CAREN). Participants: Ten post-stroke individuals. Intervention: Six trials of 2 min walking on a treadmill at different combinations of stride frequency and stride length. Treadmill speed was set at the corresponding speed, and subjects received visual feedback about the required and actual stride length. Outcome measures: Mean stride length and frequency and backward and medio-lateral margins of stability for each trial. Results and conclusion: Stroke patients were able to adjust step length when required, but had difficulty adjusting step frequency. When a stride frequency higher than self-selected stride frequency was imposed patients additionally needed to increase stride length in order to match the imposed treadmill speed. For trials at a high stride frequency, in particular, the increase in the backward and medio-lateral margins of stability was limited. In conclusion, training post-stroke individuals to increase stride frequency during walking might give them more opportunities to increase the margins of stability and consequently reduce fall risk.

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