HOW INCLINE AFFECTS TREADMILL RUNNING description, HOW INCLINE AFFECTS TREADMILL RUNNING side effects, HOW INCLINE AFFECTS TREADMILL RUNNING price, HOW INCLINE AFFECTS TREADMILL RUNNING substance
Good treadmills have a lever that raises the front end to simulate running up hills, because running on level ground does not strengthen your upper leg muscles significantly.
Running strengthens primarily your lower leg muscles. You stress your upper leg muscles only when you run up hills. Each one percent increase in the elevation angle on your treadmill requires four percent more energy. Serious runners train by running intervals: they run a short distance very fast, rest and then run very fast again. A typical workout could be to run four half-mile repeats, averaging two minutes each, with a slow 1/8th mile jog between each run. If you run a half mile on level ground in three minutes, you will run three minutes and eight seconds on a one percent incline, or eight seconds slower. Runners can expect slower times when they run up hills, but they will strengthen their upper legs.
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