Build god-tier quads when you perform the Sissy squat. The best quad exercise you're not doing, according to a certified personal trainer.
Sissy Squat
Sissy Squat Guide – How-to, Tips, Variations and More – Fitness Volt
FitnessZone: Powertec Sissy Squat
How To Master The Sissy Squat - SET FOR SET
How to Sissy Squat To Build Beastly Quads: Tips & Common Mistakes
How to do the Sissy Squat to build up your Quadriceps?
October Workout of the Month - Sissy Squats
How To Master The Sissy Squat - SET FOR SET
How to Sissy Squat: Expert Tips