Sir August De Wynter is the main antagonist in the 1998 film The Avengers.
Quick Answer. Heavy legs are a common symptom of peripheral artery disease, according to SecondsCount. The heavy sensation also points to varicose veins, according to the Mayo Clinic. In those who are heavy exercisers, heavy legs are a symptom of overtraining, adds the American Council on Exercise. Continue Reading.
Weakness in the legs usually means one is tired or ill, according to Healthgrades. Sudden weakness in the leg can signal a much more serious condition, such as sciatica, which occurs due to pinching of the nerves in the spinal cord.