Make a Power Grab

Here’s a plan you can stick to: According to scientists at the University of Alabama, using a grip enhancer could help you pump out more pullups. “When we had rock climbers chalk up their hands, they did three to five more reps compared with when they didn’t use chalk,” says Nick Bacon, PhD, lead author of the study. “Chalk soaks up sweat, and if you have sweaty hands, you have to ‘overgrip’ the bar to prevent slippage. That can cause your muscles to tire much more quickly.”