Squat is one of multi-purposed exercises works on five major muscle groups in the body.
The idea of Power Squat is that doing regular squats can put a lot of stress on the knees, joints, and lower back. This machine allows you to do as many squats as you like without hurting those parts of the body.
For those who have back and knees problems, elder or just starting to workout, this machine would be very beneficial.