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You are browsing the archives of Tool.
There’s no point sticking to the old-style abdominal workout, because scientists and sports doctors have figured out a lot about the human abdominal muscles since you probably last read about crunches.
Bicycling Technique for Fitness
Seasoned cyclists talk about something called spinning. Spinning is a term for the most efficient way to pedal. You pedal in a full circle, meaning pulling up with your legs as well as pushing. Most people who ride bikes know of pedaling only as pushing down on the pedals. Really, this is [...]