It does not mean that if you wear an unstable one you will lose your balance. Bicarbonate is an indicator of the acid-base Blood Balance. Some observers believe that the Tung form seems to place more emphasis on peng (ward-off energy) and less on yielding. Using slow strokes, you are promoting an effective way for your muscles to contract longer. This means you will not eat or drink anything for a specific time duration.
Your blood vessels get worked out and so does the most important muscle in your body, your heart. To calculate your heart rate here's the formula: (220-your age) 60 (to get the lower number), while (220-your age) 80 (to get the higher number). The mental aspects will be a reduction in stress level with increasing consciousness and calmness of mind in addition to concentrating better.