Contrast bath---It is a form of treatment where a limb or the entire body is immersed in warm water followed by the immediate immersion of the limb or body in ice water. This procedure is repeated several times, alternating hot and cold. Note that the treatment should always end in the ice water, as heat will induce the body's inflammatory response, while cold helps to decrease inflammation. • Point your toes • Raise your heels • Squeeze your toes

Feet pain can be due to various reasons.. At age of 15, this may be mostly inflammatory or mechanical. Hot water bath will help.