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. : Keep your leg raised while sitting or lying Quadriceps strengthening exercises- Quad Clenches: Lie flat on your back or sit upright on a chair with leg kept horizontally on another surface. Now, tighten the muscle on the front of the thigh by pushing your knee down. You should feel your thigh muscles clench, Hold for 3 secs. Repeat 10 times twice a day.

A slight curve of the lower limbs is commonly seen during various stages of growth. They are physiological curves(nothing needs to be done). If you are concerned meet an orthopaedic surgeon to evaluate whether the curves are normal or abnormal.