The Dynamis MV is our entry level chair for those needing Dynamic function. Whilst the chair is a rigid frame design, it does provide dynamic movement in the back rest, legrest and headrest. The pivot points are smartly placed to reduce shear stresses and maintain good postural form. The inbuilt rebound function helps guide the user back to the optimal seated position. Light enough to push, the MV is a great entry level, dynamic chair offering all the options that Sorg are now renowned for. Crash tested.