Originally Posted by why
Wider grips tend to stress the shoulders more, not the pectorals. Either way, gripping differently to focus on one particular muscle group is kinda dumb unless you understand which muscles work at which points during the lift and your goal is to increase your bench press. Wider grips open the acromion process as well.
The same problem with dumbbells is the same problem as benching across the shoulders -- the glenohumeral...