VivaSpa Handheld Deep Tissue Percussion MassagerThe percussion massager is a hand held device that applies concentrated pressure pulses deep into the muscle tissue. It relaxes fascia and tense muscles, recovers soft tissues, accelerates blood circulation, and rapidly reduces lactic acid produced after exercise, thus greatly shortens the recovery time of muscles. No matter what sport you are doing, basketball baseball football running crossfit triathlon marathon powerlifting weightlifting