A strong shower with temperatures that alternate from hot to cold and a spray targeted at pressure points to massage muscles, increase circulation and relieve tension.
Refer to Scotch Hose/Swiss Shower.
Powerful shower jets that alternate hot and cold water, directed onto the body at various levels, produce the effect of an invigorating massage.
A multijet bath that alternates hot and cold water, often used after mud wraps and other body treatments.