One person who understands just how important strong quads really are is certified personal trainer and athlete Lauren Pak, ...

Slant Board Barefoot Knee Bend. by The Editors of Women’s Health Published: Nov 28, 2007 10:26 PM EST. ... Squat until your thigh is as close to parallel to the floor as possible.

Set a slant board to between 10 and 40 degrees. ... Set the squat rack bar at chest height and stand sideways next to it. Step to the left so your feet are on either side of the bar.