Pioneer DEH-P5900IB

[cecil1901]

is this a good head unit?

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im currently running it and honestly, i liked my 2003 model premier p8-mp better. its a decent deck for the money if your not picky like me.

[dvrmstrng]

dont arch your back when you bench...

[travolta]

dont arch your back when you bench...

You're supposed to for 1 rep max testing. It cuts down on the distance the bar has to travel.

[69420potsmoker]

You're supposed to for 1 rep max testing. It cuts down on the distance the bar has to travel.

Probably increase your chances of not getting up off the bench too

[travolta]

Probably increase your chances of not getting up off the bench too

Not true. Watch videos of a powerlifting competition and see how many of those guys do it.

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dont arch your back when you bench...

theres 2 ways of "properly" benching. one is the powerlifting style where you use tricep, shoulder, and back strength to help get the bar up. second is the "bodybuilder" style where arch is minimal and back is flat on the bench. the second technique is to focus more on chest. i train for powerlifting.
check google on powerlifting and bodybuilding, theres unlimited info on those 2 topics.