Respuesta :
The r stands for rest. Rest is important because it fuels your brain.
Hello! Welcome to Brainly!
The five-step process for treating a muscle or joint injury such as an ankle sprain is called "P.R.I.C.E." which is short for Protection, Rest, Ice, Compression, and Elevation). So Your answer: Rest! Hope i Helped! Good luck!
Good Luck Studying! ^ _ ^