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Also in 1969, Judi Missett developed Jazzercise, combining jazz dance with fun exercise in much the same way. Building through the 1970s, Missett's Jazzercise and Sorensen's Aerobic Dancing became very popular in the U.S., such that by 1981–82 they counted 4,000 instructors each, and more than 300,000 students combined.
Parkour_-_climb_stairs.ogv (Ogg multiplexed audio/video file, Theora/Vorbis, length 9.8 s, 640 × 480 pixels, 1.13 Mbps overall, file size: 1.33 MB) This is a file from the Wikimedia Commons . Information from its description page there is shown below.
Stair climbing has developed into the organized sport tower running.Every year several stair climbing races are held around the world with the competitors running up the stairs of some of the world's tallest buildings and towers (e.g., the Empire State Building, Gran Hotel Bali), or on outside stairs such as the Niesenbahn Stairway.
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Aerobic exercise and fitness can be contrasted with anaerobic exercise, of which strength training and short-distance running are the most salient examples. The two types of exercise differ by the duration and intensity of muscular contractions involved, as well as by how energy is generated within the muscle. [ 34 ]
The dimensions of a stair, in particular the rise height and going of the steps, should remain the same along the stairs. [14] The following stair dimensions are important: The rise height or rise of each step is measured from the top of one tread to the next. It is not the physical height of the riser; the latter excludes the thickness of the ...
Exercise physiologists have found that the stride rates are extremely consistent across professional runners, between 185 and 200 steps per minute. The main difference between long- and short-distance runners is the length of stride rather than the rate of stride.
The video release by Karl Home Video and RCA Video Productions was aimed primarily at women as a way to exercise at home. The video was part of a series of exercise products: Jane Fonda's Workout Book was released in November 1981, and both Jane Fonda's Workout video tape and Jane Fonda's Workout Record, published as a double-LP vinyl album ...