If you want to be the best marathon runner, you use a treadmill, not use an excercise bike.
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Definatly those 1234 excercices and variations thereof are great, but I believe that if you really want to master something, blaze through a scale for instance, the best way to do that is to practice the scale.
If you want to be the best marathon runner, you use a treadmill, not use an excercise bike.
If you want to be the best marathon runner, you use a treadmill, not use an excercise bike.