Originally Posted by Von Milash
yes, they're invaluable, if you can do them.
I like to say, go only as low as you can such that you're still able to thrust yourself off the ground. as you get stronger you'll be able to go lower. also do them with your hands positioned such that you're mimicing a punching motion as closely as posible. You can also do them on a swiss ball to help you distribute your weight if you can't do them otherwise.
I posted this a while back but what I also LOVE to do is take a towel, hold it with your hands about 1' apart, adopt a boxing stance and get as close to a heavy bag as possible. Now push the bag plyometeric away from you into the air. As it comes back, catch it with the towel before it comes back to verticle. This is like a clap pushup but you can do more of them and thus build strength, speed and endurance. Also keep those elbows tucked in. It's amazing how quickly the bag gets overwhelmingly heavy.