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.
Sitting for hours at the office raises your chances of developing varicose veins. Achy legs after taking part in heavy exercise isn't much of a surprise, especially if you're not used to that level of physical activity. If your legs continually ache and feel heavy, however, you could have varicose veins.