I stopped bench pressing over 10 years ago. That said, my best bench numbers were 315lbs for 10 reps and a 1RM of 450lbs. After having shoulder surgery a number of years back, I swore to never fuck around with barbell bench presses and only stick to either dumbbells or machines presses. I have now truly fallen in love with machine presses (I know, what a faggot).
Anyway, in my early days, I always found that a way to increase reps on a weight range that you struggled with was to go heavier and work on getting good reps with the higher weight.
For instance, if I could only do 225lbs for 4-5 reps, I would instead stick to 235lbs for 2-3 reps and continuously work to improve the reps with the higher weight for about 2 months. By month 3, I would then fall back to the 225lbs and usually I would then be able to get 8-10 reps, assuming I improved my reps with the higher weight.
I know it sounds basic as fuck, but it did work.
Another trick was to change the grip on the barbell, don't tuck in your thumbs, use a false grip instead, but be careful, you can kill yourself.
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