Egypt's second faith is Coptic Christianity. Copts are heirs of an ancient Christian rite. Coptic Christianity was the predominant religion in Egypt until the 10th century when a lot of Christians diverted to Islam. Christianity itself was brought in Egypt by St. Mark in the middle of the first century AD.
Other possible causes of swelling behind the knee include abscesses (infections); tumors of the skin, soft tissue, or bones; bleeding; deep venous thrombosis (blood clot in the deep veins of the legs); or deformity of the joint after a fracture of any of the bones of your knee joint.
Muscle Strain and Hernia. A strain or tear to your adductor muscles or tendons, which are located in your inner thigh and groin, can cause groin pain. Additional symptoms include hip stiffness, muscle weakness and swelling. Standing and walking may increase your pain.ip osteoarthritis is the wearing or degeneration of the cartilage in your hip. Along with hip and groin pain, you may experience joint stiffness, cracking or popping, and muscle loss or atrophy. Weight-bearing activities like walking may increase your symptoms and further degenerate your joint.