The
Far Infrared Sauna makes it possible for people who are
otherwise unable to exert themselves or who won’t
follow through on an exercising and conditioning program
to achieve a cardiovascular training effect. This also
allows for more variety in any ongoing training program
Due to the deep penetration, over 1-1/2" into the
skin, of the far infrared rays generated by relative FIR
products there is a heating effect deep in the muscular
tissues and the internal organs. The body responds to
this deep-heating effect via hypothalamic-induced increase
in both heart volume and rate. This beneficial heart stress
leads to a sought-after cardiovascular training and conditioning
effect. Medical research confirms the use of a sauna provides
cardiovascular conditioning as the body works to cool
itself and involves substantial increases in heart rate,
cardiac output and metabolic rate.
As a confirmation of the validity of this form of cardiovascular
conditioning, extensive research by NASA in the early
1980’s led to the conclusion that infrared stimulation
of cardiovascular function would be the ideal way to maintain
cardiovascular conditioning in American astronauts during
long space flight. Blood flow during whole-body hypothermia
is reported to rise from a normal 5-7 pints per minute
to as much as 13 pints per minute
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