I used to train squat and bench on the same day, but recently, I’ve been cramping in my hamstring and lower back during bench. So, I moved Bench to a different day. First session on a different day went well.
However, today, again, I cramp on my lower back and hamstrings when I lift a heavy set for a single (not a max attempt, maybe 85-90%). It happens on the descend, I can feel it balling up, then when I try to press, it cramps, and I have to drop the weight and let the safety bars catch it.
Any ideas on how to avoid the cramping?