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The show's mission statement is—"Sit and Be Fit is committed to improving the quality of life of older adults and physically limited individuals through safe, effective exercises that are available through television, videos, personal appearances, classes, seminars, books, and the Internet. The show actively promotes functional fitness ...
Pick Your Muscles. One of the cool features on the Tonal is the ability to pick the specific muscles you want to work out. Soreness is of course an expected outcome of strength training and some ...
Dumbbell flye. The chest fly is performed while lying face up on a bench or standing up, with arms outspread holding weights, by bringing the arms together above the chest. This is a compound exercise for the pectorals. Other muscles worked include deltoids, triceps, and forearms. Equipment: dumbbells, cable machine or "pec deck" machine.
Another Greek, the physician Galen, described strength training exercises using the halteres (an early form of dumbbell) in the 2nd century. Ancient Greek sculptures also depict lifting feats. The weights were generally stones, but later gave way to dumbbells. The dumbbell was joined by the barbell in the later half of the 19th century.
Shown to the right is a "spinlock" dumbbell, whose ends are threaded to accept large nuts as collars. Alternatively, a dumbbell may have smooth ends with plates being secured by a sprung collar. Plate-loaded (adjustable) dumbbells (a.k.a. loadable dumbbells) Spin-lock; Spring collar clips; Compression ring collar; Ironmaster quick-lock
Weight plates may incorporate holes for ease of carrying (called "grip plates") or be solid discs (especially those used for competition). Non-competition plates often have variable diameters and widths, such as on the adjustable dumbbells pictured right, with heavier plates generally being larger in diameter, thickness, or both.
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