Back In A Flash Chiropractic & Massage is located in downtown Denver and provides chiropractic wellness services that offer safe & natural solutions to minimize or eliminate pain resulting from injury, poor posture, surgery, or aging. Our Denver Chiropractor, John Perea DC, is available for walk-in chiropractic adjustments. We also offer massage therapy, including CBD Massage, and flotation therapy in our sensory deprivation tank.