Doing squats can help your knees, but it depends on how much weight you are carrying when lifting whether its hard on them or not.
Doing various types of squats, walking, and riding a bike
You can avoid injuries in weight lifting by doing a warm up session before you begin lifting weights and ensuring that you use the weights appropriately.
In order to burn fat, you must increase and maintain a higher than normal heart rate. So basic weight lifting tends not to be as effective at burning fat as say walking on the treadmill while doing curls.
It matters on what they are doing. Like if they were doing weight lifting, they would wear those... weight lifting suits. If they were doing Short Track Speedskating, they would be wearing theskin suitand Kevlar.
Mostly weight lifting, wrestling and boxing.
you can use weight lifting, lifting bricks and throwing shot put or doing push ups.
There is a fact of life that we should all learn. It takes time to put on weight and it takes time to take it off. You can firm up your hips by running, cycling or doing weight lifting "squats", but diet and exercise can only help with a couple pounds in that short time.
Try doing sprints (in cardio). Try doing hack squats (also known as leg presses) or leg raises (in weight training).
The best weight lifting equipment for bodybuilding would depend what your son is trying to focus on. If he is doing upper body then buy him a bench press.
I have the same exact problem. My thighs are too fat and I need to lose weight from them! I tried doing squats and lunges, and they seem to have improved.
first you should max out on the lifts you plan on doing. then you will know how much you need to do to attain a higher weight.