Should I deadlift, or is it better to do iso exercises?
If the squat is the king of the exercises, the deadlift is the Holy Roman Emperor... It makes grown men cry just thinking about it, and has been equated to surgery without anesthesia. I've never found a more painful but effective exercise than the deadlift. Its perfect. Pick up a heavy bar off the floor. Gotta love it!
Let me put it this way... If isometric exercises are a 3 on a scale of usefulness, deadlifts would be a 29.9. It therefore reduces your time spent training because instead of 10 exercises you only do 1. Plus I'm of the opinion that there is nothing better for you than lifting heavy things off the floor.
Naturally you must do it right or you will have more problems than just hernias... Here are some useful tips for how to not injure yourself.
1. Don't bend your back. (Unless you are fond of crippling pain and suffering)
2. Don't use straps. Seriously... If you can't grab the weight you have no business picking it up. Plus this greatly reduces the chance of hernias because it takes more time to work up to super heavy weights.
3. Don't wear a belt! (Usually.) Unless you are gonna be lifting a seriously large amount of mass you shouldn't use a belt. I know 17 years ago EVERYONE wore them, but its actually been shown that a belt lessens the strain on the abdominal muscles (duh) which causes greater need for a belt later, and its a spiral of death.
4. Get ready to cry.
Ryan