Noiseless exercise system using emg

An exercise system, comprising:

• a stationary exercise apparatus including a plurality of support arms each of which is provided per kind of exercise, a plurality of exercise parts installed on the support arms, and a frame to which the support arms are firmly fastened;
• at least one electromyograph configured to be worn on at least one body portion of a user, the electromyograph including an electromyogram sensor configured to detect an electromyogram from a muscle of the body portion and a motion sensor configured to detect a motion of the body portion;
• and
• a smart device configured to obtain a posture according to the detected motion, elect at least one exercise part corresponding to the obtained posture from among the plurality of exercise parts, determine a target exercise part, which is to be operated using a muscle from which an electromyogram is detected, among the at least one exercise part elected, obtain a muscle strength by analyzing the detected electromyogram, record a muscle strength enhancement history in association with a use history of the determined target exercise part, and output the recorded muscle strength enhancement history and the use history.