belt and a control panel when a user intends to do rehabilitation exercise via the rehabilitation treadmill the pace sensors can detect the user 39 s footstep to generate and transmitting an activation signal and a stop signal to the control panel and then the control panel can activate or stop the running belt subject to the activation or stop signal in this way the user can repeatedly put his or her feet on running belt alternately to effectively have the rehabilitational effect application_number US 201213662557 A description structural features and desired effects of a rehabilitation treadmill 10 of the present invention will become more fully understood by reference to a preferred embodiment given hereunder however it is to be understood that these embodiments are given by way of illustration only thus are not limitative of the claim scope of the present invention referring to fig1 2 a rehabilitation treadmill 10 constructed according to a preferred embodiment of the present invention is composed of a framework 20 a running platform 30 and four pairs of pace sensors 40 42 44 and 46 for the record the number of the pace sensors is not limited to the four pairs but can be one pair or more pairs subject to different operation modes the detailed descriptions and operations of these elements as well as their interrelations are recited in the respective paragraphs as follows the framework 20 includes a chassis 22 and a handrail stand 24 the chassis 22 is put on the ground for supporting the other components of the rehabilitation treadmill 10 the handrail stand 24 is mounted to a front end of the chassis 222 for the user 39 s handhold the running platform 30 is mounted to the chassis 22 and includes.