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The Aircast Pneumatic Armband tennis elbow strap
contains a small aircell that focuses more pressure on the involved muscle and less around
the arm. Laboratory tests show that the pressure under the aircell is about 50% greater
than the average under the rest of the band's circumference. This concentration of
pressure means that more compression is applied where it is needed, while the uninvolved
muscles and the flow of blood are constricted less.
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