What Causes Neck Pain With Unusual Lower Limb Sensations After A RTA?

Hi, may I answer your health queries right now ? hello sir my friend met with road traffic accident,he had a cervical compression fracture.doctors out here recommended a philidelphia brace..he was given discharge from hospital.everything is going fine but now he is feeling more pain in neck and some different sensation when he moves his lower limb.is there something we should worry about...