Three reasons to do ... bicycles
The move: Bicycles
Three reasons to do it now
• Amp up your abs: It's the most effective ab exercise out there, according to researchers at San Diego State University, who ranked 13 of the most common core moves. Why? Bicycles require more abdominal stabilization and body rotation -- which fire up the muscles -- than any other move.
• Two words: ab-solute domination: Using electromyography equipment, the same San Diego State research ...
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