Device and method for measuring lower limb spasm of small animal

The invention belongs to the technical field of electromyographic muscle force measurement, and discloses a device and a method for measuring lower limb spasm of a small animal. The small animal fixing platform is fixed on the top end surface of the bottom plate; the ankle joint buckling applying mechanism is fixed to the top end face of the bottom plate and located on the front side of the small animal fixing platform, and the driving end of the ankle joint buckling applying mechanism is fixed to the lower limbs of the small animal; the pressure sensor is fixed at the driving end of the ankle joint flexion applying mechanism; the myoelectricity measuring electrode is fixed on the small animal fixing platform and is used for being fixed on a to-be-detected part of the lower limb spasm of the small animal; the controller is fixed on the top end surface of the bottom plate and is used for data acquisition; and the upper computer is electrically connected with the controller and is used for data analysis. Accord