From Greatist.com….
The humble squat might just be the most effective exercise you can do: It engages the entire lower half of your body, including your hips, glutes, quads, hamstrings, and calves, while also hitting your core, shoulders, and back.
A perfect squat is a symphony of muscular coordination throughout your entire body, achieving the rare feat of simultaneously building muscle and burning fat thanks to its high metabolic demand. (Read: It burns a lotta calories because it works a lotta muscles.)
But how low should you go? Here’s the lowdown on deep squatting, whether it’s right for you, and how you can do it safely and effectively. Let’s get low.