Element Fitness Sissy Squat LEG EXTENSIONS DONE PROPERLY: Think of this exercise as a mix of reverse knee extensions and hack squats. Works amazingly well to target all 4 heads of the quadriceps and glutes muscles, strengthen the knee and hip joints and trains your core balance and stabilization at the same time COMFORTABLE, HEAVILY PADDED CALF PROTECTION: Sissy squats can be performed free-style as well, which is why they are also known as the Matrix squats! However, this machine will allow you to perform them in a far more comfortable and safe way with the heavily padded fully adjustable calf pads. HEAVY-DUTY DESIGN FOR INTENSE ATHLETES: The Element sissy squat machine was designed to withstand any use and abuse which is exactly why its made of 11 Gauge stainless steel and why it features a grey powder coated finish. Expect this to be the first and last sissy squat apparatus you buy for your gym or home. LARGE NON-SKID FOOT PLATE: With its large anti-slip foot plate, this sissy squat machine can stand the weight of any athlete and it can also be used for ab crunches or sit-ups as well. Simply lock your feet in, lay back and take your abdominal training to the absolute max! BUILT FOR SERIOUS LIFTERS: If youd rather perform quad extensions and leg curls on those inefficient machines at your gym, this sissy squat equipment is not for you. It may have the word sissy in it, by its definitely something used by some of the worlds top athletes to take their game to the next level.