Therapeutic apparatus for manipulating the limbs of the human body, comprising a platform having a longitudinal aspect for supporting, in a fixed position, a human body, an arch shaped track pivotally supported by and superimposed over the platform where the plane of the track intersects the platform longitudinally, at least one anchor manually or mechanically movable within the track and which anchor is attached to one end of a tensioning device whose other end is intended for connection to the limb of a patient. The tensioning device pulls tension on the limb while the anchor travels over a portion of the length of the track to manipulate the limb in extension, abduction or a combination of both movements, among others.