Ah, cool... I was listening to "Lost Highway" on the way into work this morning. I like Hank III as well. My dad likes a couple songs by Jr but I never got into 'im.
Where did I get the lower back BS? It's FACT. FACT: Your lower back is one of the weakest muscles in your body...Why do you think thats' one of the most common injuries? FACT: Your lower back is one of the SLOWEST muscles to recover. If you can deadlift 3 times a week, or whatever though more power to you.
I must be a genetic freak then, coz I can rep stiff legged deadlifts at 300lbs; but my bench numbers are pathetic by comparison. Most people can deadlift more than they can squat (myself included). My lower back doesn't get anywhere near as sore as my quads, hamstrings, or glutes. The reason the lower back's one of the most common injuries is because of incorrect form - no back arch; not to mention poor posture & bad sleeping positions.
I agree with that. It depends how you do them though. It can involve more or less of your lower back in how you lift. You shouldn't be using that much of your lower back though, and be using your legs. Anyways, I researched around for a minute for things that could prove my point. Here's one site I found: http://weighttraining.about.com/od/techniquesandstrategies/a/safelifts.htm "Most related injuries are overuse injuries, and a smaller percentage are more serious. The lower back tops the list, however, and this is consistent across many sports. It no doubt signifies a human anatomical weakness." I couldn't find anything to give me the recovery time of the muscle. I've heard if you work your lower back hard enough then you should give it about a week off to recover. That's why I've always only deadlifted once a week personally. I'll work my lower back on an ab machine about every 2 days (couple sets), but that isn't really nothing straining to me.
Bodybuilders, or powerlifters? Most bodybuilders work the hell out of there abs (from what I've seen). Maybe powerlifters, but whenever your trying to deadlift 800 pds, or something like worlds strongest man (carrying a 350 pd stone around) then I'd be working my lower back more than abs I'm sure. At any rate though you can diet all you want to acheive nice abs, but that doesn't mean your core is strong. I do agree that doing deadlifts would work your abs more than a crunch, but it's personal preference...Mine is to do both. I don't feel as though I'm wasting my time. I mean if pro bodybuilders can workout 4-8 hours a day I don't think I'm killing myself to do half an hour of abs every two days.
I said "stiff-legged deadlifts".... I usually do Romanian or Traditional Deadlifts actually; so while the exercise is total body, there's merit to your statement. Erector muscles do get used in many, many exercises - including every standing exercise. http://www.t-nation.com/readArticle.do?id=459241 "During the SDL (Stiff-legged Dead Lift), the spine is put under enormous stress. Once trunk flexion begins, the intervertebral disc pressures increase significantly throughout the range of motion. When one moves from full flexion into extension with the weight supported by the hands, the lumbar discs are under tremendous torque because of the long lever arm between the weight and the low back. This weak mechanical leverage causes the muscles to produce forces in excess of 10 times the amount of weight lifted. In full spinal flexion, the lumbar discs are at the most vulnerable position for injury to occur. (Gardner & Cole, 1999)"
In other words, working BOTH your back and abs is essential but the focus depends on what you're doing i.e. weightlifter, bodybuilder etc what would be the best for a BOXER? is there really no perfect answer?