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restrictions are recommended for certain diseases, (see chapter Therapeutic Index).
No straining: Never exert undue force while doing asanas. Beginners may find their muscles stiff at first, but after several weeks of regular practice they will be surprised to find that their muscles are more supple.
Age limitations: Asana may be practised by people of all age groups, male and female.
Contra-indications: People with fractured bones or who are suffering from chronic ailments and diseases such as stomach ulcer, tuberculosis or hernia, and those recuperating from operations, should consult a yoga teacher or doctor before commencing asanas.
Termination of asana: If there is excessive pain in any part of the body the asana should be terminated immediately and, if necessary, medical advice sought. Do not stay in an asana if discomfort is felt.
Inverted asana: Do not practise any inverted asanas if there is gas or fermentation in the intestines, if the blood is excessively impure, during menstruation or in later stages of pregnancy. This is important to ensure that toxins do not go to the brain and cause damage, and, in the case of menstruation, that blood does not enter the fallopian tubes.
Sunbathing: Never practise asanas after a long period of sunbathing as the body will be overheated.
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