question: After football practice my son had a swollen leg and a bruise onthelateral side of his kneeHe told me he was okay today at football he said it stung and burned when he moved it I iced it and put lidocaine gel on it and Motrin and elevated it my husband said it may be a bone contusion I think maybe a ruptured muscle I will take him to doctor in am but I am worried about a compartment syndrome I was a trauma nurse and worry about everything