Bench lower back "issue"?
Hey ! I've been benching for a year, and lately i'm noticing that when i do single (1RM) ect my lower back kindoff "tighten", my actual 1rm is 100Kg, when i go past 95kg and really use my leg drive, my lower back always feel bad after...
Its not like it "hurt" but i feel like its really contracting way too much.
My technique is ok, i dont lift my ass, or arch like crazy at all, so any clues are welcome. Thank you !