Dumbbell
Dumbbell
A Dumbbell (/ˈdʌmbel/) is a type of free weight used in weight training and other forms of exercise.
Etymology
The term "dumbbell" originated in late Stuart England. In the 1700s, athletes used equipment similar to modern dumbbells while practicing a form of exercise similar to fencing. These devices were "dumb" (silent) bells, hence the name.
Description
A dumbbell consists of two weights, usually of equal mass, connected by a short bar. The weights can be made of various materials, including cast iron, steel, or rubber. The user holds the bar in one hand and lifts the dumbbell to exercise various muscle groups.
Related Terms
- Barbell: A longer version of a dumbbell, typically used with both hands.
- Kettlebell: A weight with a handle, used for ballistic exercises.
- Weight Training: A type of strength training that uses weights for resistance.
- Resistance Training: A form of exercise that improves muscular strength and endurance.
- Free Weights: Weights not attached to a machine or other apparatus.
See Also
External links
- Medical encyclopedia article on Dumbbell
- Wikipedia's article - Dumbbell
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