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.
1 Aching or burning sensation in the muscles (not the joints) of your legs or arms, such as when walking up a hill or doing repetitive arm exercises, such as hanging up laundry. The sensation stops after you've taken a short break. 2  Legs feel tired or heavy.  Discoloration of, or numbness in, the legs or feet.