La- = lactic acid

H+ = hydrogen ions

“This study tested the hypothesis that one of the ways sports massage aids muscle recovery from exercise is by increasing muscle blood flow to improve “lactic acid” removal.”

“…..massage [effleurage and petrissage]….”

“Massage impairs La- and H+ removal from muscle after strenuous exercise by mechanically impeding blood flow.”

E.V.Wiltshire, et al—Massage impairs postexercise muscle blood flow and “lactic acid” removal—Medicine & Science in Sports & Exercise—–Volume 42 #6—–June 2010—–page 1039 – 1231