This research presents a versatile system for relieving knee pain during fitness activities. The system consists of three main parts: a leg swing device, a smart wristband, and a dedicated knee brace. The leg swing device includes tools to measure weight, provide support, and measure height. The dedicated knee brace has a protective part for the knee, a heating component for warmth, and a sensor to measure leg movements. Users wear the knee brace to protect their knees and keep track of the number of leg swings while standing on the leg swing device and holding the handles. By swinging one leg outside the device, users can effectively undergo therapy for knee pain. Through a mobile app, users can monitor important information like their height, weight, heart rate, blood pressure, and the number of leg swings they per including the word of " technology" in the title?