Health Information Denis Makarov Our athlete, who complained of pain in his right upper thigh muscle, was diagnosed with a mild injury and edema in his right rectus femoris muscle (middle group of upper thigh muscles) after examinations, and his treatment is ongoing. Kayra Cihan Our athlete, who complained of pain in the back of his left knee, was diagnosed with a Baker's cyst rupture after examinations and tests, and his treatment is ongoing.