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By Mayo Clinic Staff. Most leg pain results from wear and tear, overuse, or injuries in joints or bones or in muscles, ligaments, tendons or other soft tissues. Some types of leg pain can be traced to problems in your lower spine. Leg pain can also be caused by blood clots, varicose veins or poor circulation.
Within all the people who go to their doctor with leg stiffness or tightness, 66% report having leg pain, 40% report having leg swelling, and 40% report having knee pain. 1  Leg pain 66. 2  Knee pain 40.3  Leg swelling strong predictor 40.4  Arm stiffness or tightness strong predictor 35.eg stiffness or tightness is encountered rarely on Symcat. We will add more content to this page if enough people like you show interest. The most common causes of leg stiffness or tightness are multiple sclerosis, sprain or strain, and hyperlipidemia. Other possible causes, such as fracture of the leg, are more rare.