Kashrut: Jewish Dietary Laws. Kashrut is the body of Jewish law dealing with what foods we can and cannot eat and how those foods must be prepared and eaten. Kashrut comes from the Hebrew root Kaf-Shin-Reish, meaning fit, proper or correct.
Squats obviously help to build your leg muscles (including your quadriceps, hamstrings, and calves), but they also create an anabolic environment, which promotes body-wide muscle building.
While every type of squat will do wonders for your lower body, each variation emphasizes different muscles, such as your hamstrings or glute medius (side butt). Hit a few variations every week and you'll get the benefits of all of them, he says. Start with these three squats to get a strong, firm butt.