More protocols…
(1) Temperature does not work in a linear manner. This means you can’t do five minutes in a 35 degree tub vs 20 minutes with 52 degrees. I suggest longer then 15 minutes for most applications.
(2) Keep in mind a thermopane exists between the water and the exposed skin. This boundry is warmer then the temperature of the whirlpool.
(3) Cold baths are not icebaths. I learned this the hard way. A thermometer should be purchased even if the athletic trainer has one in the tub. Many of the equipment has “free” measurements that can be off from nearby ice. Take the temperature near the skin by taping one on 4 mm away from the body. This will get a more accurate reading of the true temp.
(4) Even therapy needs progression. An athlete might take time to get use to massage or cold baths. I suggest wearing underwear and cut off sweat pants (very high cut…daisy duke style!) and toe socks.