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Test image of jelly beans from the USC-SIPI image database. A standard test image is a digital image file used across different institutions to test image processing and image compression algorithms. By using the same standard test images, different labs are able to compare results, both visually and quantitatively.
Thomas Inch dumbbell, also known as "172" (2.38 inches (60 mm) handle, weighs 172 pounds (78 kg)) [9] Millennium dumbbell (2.38 inches (60 mm) handle, weighs 228 pounds (103 kg)) Circus dumbbells: historically used in traveling circus acts, these dumbbells have exaggerated ends and wider handles, and just like normal dumbbells, come in various ...
This exercise is performed sitting on the floor with knees bent like in a "sit-up" position with the back typically kept off the floor at an angle of 45°. In this position, the extended arms are swung from one side to another in a twisting motion with or without weight. Equipment: body weight, kettlebell, medicine ball, or dumbbell.
Lunge. Stand with your feet hip-width apart. Hold a dumbbell in each hand and let your arms hang down at your sides. Step the right foot back into a lunge position. Brace your core and lower down ...
Examples of computer clip art, from Openclipart. Clip art (also clipart, clip-art) is a type of graphic art. Pieces are pre-made images used to illustrate any medium. Today, clip art is used extensively and comes in many forms, both electronic and printed. However, most clip art today is created, distributed, and used in a digital form.
[8] [19] Tom Lincir, founder of the Ivanko Barbell Company, has encountered 45-pound (20.4 kg) plates weighing as little as 38 pounds (17.2 kg), or as much as 59 pounds (26.8 kg). [ 20 ] Plates can be weighed, and the equipment marked (using a paint pen or other permanent marker ) with the true weight.
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.
The barbell is the longer version of the dumbbell that is used for free weight training and competitive sports, such as powerlifting, Olympic weight lifting, and CrossFit. Many exercises can be done using the barbell, such as bicep curl , bench press , Olympic weightlifting, overhead press , deadlift , and squat .