Unweighting: Maximizing Use of the X, Y, and Z Axis Specialized technologies are improving how gait patients get past their fear of falling and optimize their progress in lower extremity rehab By Monty Merrill, MS, PT, OCS, FAAOMPT Technologies designed to provide therapeutic activity for the lower extremities have helped expand the approaches therapists use in designing interventions for patients who are battling gait impairments. Regardless of whether the cause of impairment is orthopedic or neurological, technologies that unload body weight, build strength, improve balance, or measure and ...