human T-lymphotropic virus (HTLV) either of two related species of retroviruses that have an affinity for the helper cell type of T lymphocytes. HTLV-1 causes chronic infection and is associated with adult T-cell leukemia and a type of myelopathy.
The tape has a texture and elasticity similar to skin. When applied, it microscopically lifts the skin. This is thought to increase blood and lymph flow in the area, increasing circulation and reducing pain. The tape's stretch properties can be used to assist in relaxing overused muscles and stabilizing joints. claims and reality To date, minimal research has been done regarding the effects of taping, especially on athletes, and few of the studies have looked at conditions relevant to runners.
1 Record the length.  Measure the width: Hold a tape-measure or a measuring stick along the shorter outer side of the box. As with the length, hold the tip of the measure against one corner of the box, then stretch the tape along the short side to the adjacent corner.