Whats a dumbbell and why do we call it that? Theories vary slightly, but historians agree dumbbells evolved from the practice of Change Ringing. Bell ringing in the 16th century was a common church practice requiring a fair amount of strength and fitness. Its believed that these practitioners developed a silent, or dumb, bell to practice technique without sound, and develop strength for Change Ringing. Bells specifically without hammers (dumbbells) were used by strongmen to demonstrate feats of strength for fitness and entertainment purposes. The term dumbbell originated in Tudor, England, and was kept, when what we know as a dumbbell today, was manufactured strictly for fitness. 1920s slang, devolved the name to a reference for a stupid person. Several years from now, a search result may point to a former 7-time Mr. Olympia, turned movie star, turned governor of california, turned disgraced adulterous procreator. Until then, we can continue to get strong, and eliminate asymmetries, with bi-lateral dumbbell training. Just in case you ever wondered...."Now you're on the trolley."