Crunching sensation in low back when squatting and deadlifting
Is anyone familiar when a crunching/tingle sensation in the low back in the bottom half of the squat and deadlift, it is not particularly painful but really uncomfortable to the point that i feel like i cant lift the weight, normally happens after 2 or three reps. I am not sure but I think it is the sections of the vertebrae grinding on each other due to back hyperextention, should i just focus more on straightening out my back and contracting my abs/butt?