The principle of graduated compression, precisely measured in units of mmHG, is based on the latest research in vascular medicine. Various studies have proven that compression garments help improve muscle oxygenation and blood flow down to extremities.
For more information:
Regulation of Skeletal Muscle Blood Flow During Contractions, J.M. Lash Proceedings of the Society for Experimental Biology and Medicine, Vol. 211 (218-235)
The Influence of Compression on Muscle Blood Flow During Exercise, Jorma Styf M.D. The American Journal of Sports Medicine 18:92 – 95 (1990)
Skeletal Muscle Blood Flow Richard E. Klabunde, Ph.D