I am starting a 4 day split. Chest. Back. Legs/shoulders. Arms. Some people say doing chinups/pull ups twice everyday is good. I though it might be counterproductive because of overtraining back and bis possibly. Any thoughts?

If you wanna improve your chins, doing them frequently would help. Just cut the set before failure each time - i.e. when rep slows down, that's your last rep for that set.
You could even just setup a chinning bar in a doorway and do a set whenever you pass through that door. As long as your diet is in order and you don't take the sets to failure, you won't 'overtrain' (a term I really dislike, but whatever)
I do 4 sets for warnup and stretch. On cardio days i do 5x12
Its a great cuz it gets ur HR up really fast
Overtraining is not a real thing. Unless you can move objects with your mind your body will ALWAYS outlast your mind.
Abs and pullups/chinups/pushups are something everyone should do every day. If chins/pulls aren't incorportated into my workout for the day I will do them at the end. The end of every workout for me is:
some abs - HIIT - 1 ab set / 1 pushup set until I'm tired - as many pullups I can do until failure with alternating grips.
Also, I don't kip.
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Our body is stronger than our mind. I don't know anyone who can actually overtrain their body. I personally rest as little as possible, and can always make it to the gym the next day. Might not be able to bench 315 every day but I don't consider that overtraining either.
Just saying I don't believe in overtraining because your mind is the bottleneck in the equation, not your body. Unless you are a jedi o.0
True but those are extremes, and that doesn't make my statement completely right or wrong.
I think more often the case is our brains tell us to stop and we go with it, its pretty rare you say suck it and hurt yourself.
I remember a few months ago my IFBB buddy would always say, "why arent you lifting 315" when I benched 275, and my asnwer was always, I'm too little dude. Well one day he spotted me and I got 2.5 reps on my own, failed the third but I wasn't even expecting to make 1.
I don't even want to think about rectal prolapse...
Far be it from me to correct you if you feel your brain is weak.![]()
I'm right there with ya on the weakness part. Seems everytime I start to get close to where I used to be, some new health issue pops up.![]()