If you can do 16 non-stop reps with 315, then
a few choices:
That is 16 with no rest pause, I could probably do maybe 5 more reps but when my back starts to arch/fatigue I will set it down. When I use rest pause it would probably be more like 22-24. I train DC style, so I only hit the lift every 1.5 weeks.
1) I should be asking you for advice instead and tell me what you deadlift.
I don't even deadlift, unless I am deadlifting in between rest pause sets off the floor. I have never tried to max my deadlifts. I would guess maybe 400? No idea. I've always thought my back got plenty of work from heavy rows, sldl, and squats. Only advice I could give you would be to bring up your weakness, mine was my grip, which I solved with alternated grip and chalk :P
2) You're not squating heavy/hard enough and or low enough before the SLDLs. Which would pre-exhaust the lower back and Hams to an extent.
I squat low, just do not squat on the same day as sldl -- too much back fatigue. Unless I am doing a 20 rep squat/sldl routine where I am doing a lot less frequency. I usually work my hams before quads.
3) You're bending at the knee a little too much, and doing regular deads as oppossed to StiffLegs.
No bend. I think it would be more difficult to do 20 regular deads with the same weight, than 20 sldl. Then again, I have never tried.
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