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.
Squats will help strengthen your entire body, both your bones and your muscles (and your knees!), and increase flexibility. Because of the utilization of a large amount of muscle groups, they cause your body to increase our anabolic hormone production (in turn, helping us lose fat and gain muscle).