Hence the chances of a sudden collapse of a diabetic patient due to a cardiac lesion are much less. Asanas tone up the lungs also. Back bends, forward bends, standing poses, are all useful. Props may be needed for the elderly who have poor vital capacity. In this respect pranayama is highly useful.
Oxygenation being better, tissue hypoxia never occurs.
Digestive system Yoga is microcellular in its action. As the internal organs are massaged, sensitivity to insulin and uptake of sugar are enhanced. Gastric and intestinal activity is regulated and diarrhoea or constipation due to autonomic malfunction does not occur. As the villi are massaged, absorption is better and sugar uptake is regulated. Twisting poses squeeze the intestines and massage them.