白鬼風格 CENTER - BALANCE - ROOT - FA CHING Intensity of workout increases progressively from individual's fitness level. Appropriate for average senior citizens and athletic teens alike. Effectiveness of Tai Chi exercise in improving aerobic capacity: a meta-analysis Those who can stand on one leg for 10 seconds found to live longer Martial Arts anecdotally found to reverse Parkinson's Exercise at night is more effective, because the human body is better able to handle blood sugar later in the day.