How to Build a Home Gym Anywhere

Burst-resistant balls are versatile pieces of equipment. Don’t have room for a flat bench? A stability ball makes a good, cheap alternative. “You can do seated over-head presses on it; use it for hamstring curls, hip extensions, leg curls, and bulgarian split squats; or take advantage of its instability for plank variations that really challenge your core stabilization,” Stankowski says.

Get Ripped Abs: The Ultimate Core Workout >>>

$28; fitnessfactory.com