Strength Gear

Bowflex SelectTech 552 Adjustable Dumbbells (Pair)

Cap Barbell 40-Pound Dumbbell Set

Tone Fitness SDNHS-TN020 20-Pound Hourglass Shaped Dumbbell Set with Rack

Cap Barbell Solid Hex Single Dumbbell

Jillian Michaels Ultimate 12.5 Adjustable Speed Dumbbells

Neoprene Dumbbells Black (Sold in Pairs)

Champion Hex Dumbbell with Ergo Handle

Body Solid Rubber Coated Hex Dumbbell

Bowflex SelectTech 1090 Adjustable Dumbbell (Single)

Dumbbells

A dumbbell is a piece of equipment used in weight training, is a type of free weight. Can be used individually or in pairs (one in each hand). The predecessor of the barbell, which was called Nal was used in India for over a millennium and was shaped like a club. The nal was an intermediate step between a dumbbell and a barbell. It is usually used in pairs by wrestlers, bodybuilders, athletes or others who wish to increase their strength and muscle mass. In Castilian the word comes from the verb hobble dumbbell, which colloquially means putting together two things the same species. Referring to the dumbbells are formed from a bar with the same amount of weight to both sides. By the early seventeenth century there was already a familiar dumbbell shape with two equal weights attached to a shaft. You can divide the types of dumbbell in three types::. Adjustable Dumbbells: Formed by a metal bar having a central part can be rough for better grip. The weights (disks) are embedded in the ends of the bar and fitted with clips or nuts. Fixed weight dumbbells: weights are created with dumbbell-shaped. The most expensive are made of cast steel, sometimes covered with rubber for safety. The less expensive are usually made of plastic and filled with cement. Cufflinks "select" whose weight can be changed mechanically by a dial or other means. This makes it very easy to switch between exercises weight. Text is available under the Creative Commons Attribution ShareAlike 3.0, additional terms may apply. See Terms of Use for more information.