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Exercise Research

How Fitness Trackers Are Changing Exercise Research

Posted 05.16.2014 | Healthy Living

By: Rachael Rettner, Senior Writer Published: 05/16/2014 10:29 AM EDT on LiveScience The technology in fitness trackers is changing the way rese...

A Weighty Issue: Surprising Research on Lifting Light vs. Lifting Heavy

Jill S. Brown | Posted 05.25.2011 | Los Angeles
Jill S. Brown

It's probably the weightiest question in the gym world. What's more effective? Lifting light weight and doing high reps or lifting heavy weight and doing low reps?