This exercises is good for beginners.
If you have problems with your knees or ankles, consult a physical therapist before trying jump squats!
If it's to difficult for you at the beginning, try normal squats (without jumping).
This exercise is perfect for beginners. As an increase, lift your leg straight up!
If you want a little challenge, hold a pair of weights (you can also use bottles filled with water) at shoulder height, elbows bent in front of body.
You can also do this on your elbows.
This is a great exercise for extra work on your side glutes!