Patent attributes
The present invention relates to an exercise assistance device for assisting muscle exercise by means of a motor driven by means of electronic control. An electric exercise assistance device, according to the present invention, comprises: sensors comprising a first sensor and a second sensor; a motor driven by means of a control signal and generating an external force; a Micom for correcting the frictional driving force inside an exercise assistance device and deriving a calculation value of exercise assistance point, exercise assistance intensity and exercise assistance location on the basis of an encoder signal, the exercise speed and the number of exercise sets detected by means of the first sensor, exercise intensity, and user information; a mount detachably attached to a vertical frame of a rack used for muscle exercise; a base rail for guiding the movement of a safety bar; a power transmission unit for transmitting the power of the motor to the safety bar; the safety bar for enabling application of an external force, which is required for exercise assistance and exercise, and enabling detachment and attachment of a barbell rod for muscle exercise; and a rest for resting a weight material, used for muscle exercise, at an exercise starting location.