what is the most effective ab exercise (crunch v. plank v. bicycle)?

M

Matthew Bock

New member
I am at a cross roads with finding the best ab exercise. one source says it is the bicycle, another says that planks are scientifically proven to be it, and tradition says the crunch is the one. which is it?
ps- i know about body fat and masking the abs, so I don't need to hear that again. thanks.
 
Back
Top