When flying a kite, people stare at their own works swaying in the clear sky, blue sky and white clouds, comfort, tranquility, and peace of mind emerge spontaneously. This mental state is suitable for the regulation of advanced neural activities and can strengthen and strengthen the control of the nervous system. The underlying tissues and physiological functions of the organs. When people shake the Diabolo, with the movement of the upper limbs, the muscle fibers are greatly exercised: the skeletal muscles are squeezed rhythmically, the veins, blood flow is accelerated, and the public accumulation is sufficient to prevent local blood Stasis, enhance the metabolism of cells and tissues, and maintains and strengthens the functions of shoulder muscle fibers, ligaments, local nerves, and blood vessels. An accurate summary of the above passage is? ['The joy of folk game activities is endless.', 'Folk games can cure illness.', 'Traditional game activities have entertainment and fitness functions.', 'Folk traditional games.']