Muscle soreness isn't proof of a good workout

Barely able to walk after the gym? That doesn't mean the session actually worked

A lot of people believe: the sorer your muscles the next day, the harder you trained. In reality, delayed onset muscle soreness (DOMS) is mostly a reaction to unfamiliar load, not a measure of muscle growth. It comes from micro-damage in the fibers and the resulting inflammatory response, and it's strongest when you change an exercise, increase range of motion, or add unfamiliar emphasis on the lowering phase of a movement.

Over time, with regular training, your body adapts — this is called the 'repeated bout effect' — and soreness from the same load becomes milder even though progress continues. So if you stop getting sore from your usual program after a month of training, that's a good sign, not proof the workout stopped working.

Track progression instead: working weights, reps, technique quality. Soreness is just a side effect of novelty, not the goal of training.