Physical therapists test mechanical arm to help patients recover from stroke, traumatic brain injury

<p>DALLAS &mdash; Jan. 28, 2009 &mdash; Physical therapists at UT Southwestern Medical Center are evaluating a new mechanical arm that allows people recovering from neurological injuries such as strokes and traumatic brain injury to enter a virtual world where they can repeatedly practice movements needed to regain arm strength and movement.</p> <p>UT Southwestern is one of fewer than a dozen sites testing…</p>