Book (Practical) Sports and physical education Boost Breath 20 seconds to boost body temperature and blood flow / Asahi Nanan / Yanagisawa Ayako Sports
※Please note that product information is not in full comprehensive meaning because of the machine translation.
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Product description ※Please note that product information is not in full comprehensive meaning because of the machine translation.
Sports and Physical Education
Increase your body temperature and blood flow in just 20 seconds! It is a simple breathing method that can be done anytime and anywhere. It can be done with casual clothes and no need to prepare anything. By instantly tightening the inner muscle around the stomach, it stimulates the body's largest blood vessel, the vena cava, and increases blood flow at once.