Neck Pain: Blue / Gold Upper Back Pain: Red / Black Mid Back Pain: Red / Black Lower Back Pain: Red / Black Shoulder Pain – Left: Silver / Blue Shoulder Pain – Right: Silver / Blue Elbow Pain – Left: Silver / Blue Elbow Pain – Right: Silver / Blue Wrist Pain – Left: Silver / Blue Wrist Pain – Right: Silver / Blue Hand Pain / Arthritis: Gold / Blue Hip Pain – Left: Black / Red Hip Pain – Right: Black / Red Glute Pain / Sciatica: Black / Red Knee Pain – Left: Black / Red Knee Pain – Right: Black / Red Ankle Pain – Left: Silver / Blue Ankle Pain – Right: Silver / Blue Foot Pain / Plantar Fasciitis: Gold / Blue Muscle Soreness: Blue / Silver / Red / Black (based on location) Joint Stiffness: Silver / Red / Black (based on joint) Swelling / Inflammation: Blue / Silver Sports Injury: Nozzle based on area Post-Workout Recovery: Red / Black for large muscle groups Chronic Pain: Nozzle based on area Headaches / Migraines: Gold / Blue TMJ / Jaw Pain: Gold / Blue