0128_FrB01.2_DI

							 Therapeutic Effects of Robotic-Assisted Locomotor
  Training on Neuromuscular Muscular Properties
             M.M.Mirbagheri, Northwestern University/RIC, Chicago
                  C. Tsao, Northwestern University, Chicago
                 E. Pelosin, Northwestern University, Chicago
              W.Z.Rymer, Northwestern University, RIC, Chicago
• The effects of Lokomat on neuromuscular                                  30
                                                                                POSITION      Onset
                                                                                                          60
                                                                                                                VELOCITY


  mechanical properties of the ankle joint and                             55
                                                                                                           0
                                                                                                          -60
  its voluntary movement were studied.                                      0   10      20   30             0   10      20   30




                                                    Plantarflexion (deg)
• System identification techniques were used
                                                                                             2-weeks
                                                                           30                             60




                                                                                                  deg/s
  to quantify these effects on subjects with                               55
                                                                                                           0

                                                                                                          -60
  incomplete Spinal Cord Injury (SCI).                                      0   10      20   30             0   10      20   30



• Results indicate reflex stiffness significantly                          30
                                                                                             4-weeks
                                                                                                          60

  decreases following Lokomat training.                                                                    0


• Ankle voluntary movement improves.
                                                                           55                             -60
                                                                            0   10      20   30             0   10      20   30
                                                                                 Time (s)                        Time (s)

• Lokomat training can be considered as                                     Trajectory of ankle voluntary
  effective physical interventions in SCI.                                           movement
                                                                                                                     FrB01.2