Assuming you already know that a bigger arm comes from mostly tri's... doing heavy hammer curls really helped me out.

I'm also a big fan of drop sets or burn out sets to get past plateaus

Well they say the androgen hormones in milk cause acne... check it out http://acne.about.com/od/acnetriggers/a/milkandacne.htm

Honestly, I have back acne and I don't worry about it. We are all...

As they say "If it ain't broke, don't fix it!" As long as you are making gains keep doing what you're doing. And like everyone else said, you won't gain strength if you're on a caloric deficit.

Sounds good at least lol. Probably the most scientific explanation I've heard so far as opposed to "youre hittin it hard brah"

Everyone is different honestly, I have no problems working out 30...

Just rubber here. I've had the bar in roughly the same area for the past 4 years and haven't seen any extra wear. Plywood is a cheap insurance policy though I guess

Good call Xellarz. Ripping a callous because "you're manning up" is totally unnecessary. I'd try chalk and maybe even the hook grip although you can mess up your thumbs good with a the hook grip.

I'd assume 1 leg squats are still going to use your back to the degree of weight you are using. If I were you I'd get that sciatic nerve issue fixed before trying to make it worse :) leg extensions...

Honestly 50lb dumbbells only get you so far, especially when doing the bigger compound exercises like squat and deadlift. And nothing beats those 2 exercises for lower body and core. I'd recommend...

Man arnold has so many great quotes...

underhand or bust!