Capillary network of the hand
Principle of improving capillary circulation by increasing pressure slowly and releasing pressure quickly
1）If you apply pressure slowly and softly on the capillary network、ｂlood is pushed out to the vein side.
2）After resting for 1-2 seconds, if the pressure is released quickly, arterial blood flows in from the artery side.The vein does not return because there is a venous valve (check valve).
By repeating this procedure, circulation in the capillaries is promoted.