I was struck on the side of my lower leg by a vehicle going about 60 while riding my horse 3 days ago. Had X-ray , said wasn t broken, but had a contusion . Pain , swelling in calf ,ankle,& foot , lump on contact site, very tender to slightest touch, area looks like it has fever, muscle spasms, and can not bear any weight . Should I have concern ? Or is this normal ?