Dumbbells are small bars with added weights at both ends that are normally used with one hand. Depending on the type of dumbbell these weights are fixed or interchangeable. They are used for weight lifting or strength endurance exercises.

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What are good dumbbells or barbells for P90X?

I'm looking to buy a barbell/dumbbell set to start doing P90X again. I came across the Bowflex and the Powerblock adjustable sets, but they just seem so freaking expensive ($300 to start for each). ...
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Hand position in dumbbell bench press

How does hand position in a dumbbell flat bench affect which muscles are activated? The positions I know are palms facing each other and the traditional palms facing down. On rare occasions I see ...
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What is the best set of dumbbell exercises for a complete upper arm workout?

I'd like to find a good set of dumbbell exercises for a "complete" upper arm workout - working out the biceps, triceps, and brachialis* muscles fairly evenly. What combination of curls or other ...