A number of Olympians – including the most decorated Olympic athlete of all time, Michael Phelps – have been photographed with large red circles on their skin.
What are they, and why is everyone suddenly going dotty over them?
The mark of an Olympic athlete, at least at Rio 2016, seems to be a scattering of perfectly round bruises. Swimmers and gymnasts, particularly from Team USA, are among those seen sporting the mysterious dots.
No, not paintballing misadventures or love bites – they are the result of a practice known as “cupping”; an ancient therapy where heated cups are placed on the skin.
So how is ‘cupping’ done?
The technique, which is a form of acupuncture, is done by lighting flammable liquid in a glass cup.
The flame burns away the oxygen in the cup, which creates a vacuum. Once the flame goes out, the vacuum creates suction which sticks the cup to the body.
Along with the drop in temperature, this sucks the skin away from the body and draws blood to the surface. The red spots, which typically last for three or four days, are caused by ruptured capillaries beneath the skin.
Why are some Olympians using it?
Athletes say they are using it to ease aches and pains, and to help with recovery from the physical toil of constant training and competing – although there are no scientifically proven benefits.
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