Definition
ROM is the distance a joint moves during a rep. Full ROM — squatting below parallel, fully locking out a press, fully stretching the muscle at the bottom of a curl — produces more hypertrophy than partial reps at the same load. The deepest stretched position is where most growth signaling occurs.
Real questions
Are partial reps useless?
Not entirely — overload partials at the strongest range can add stimulus after full ROM failure. But default to full ROM until then.
Stack with
Put it to work
Coach Foster builds your program around range of motion (rom) and the rest of the fundamentals, shaped to your body and your week.