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In this instructional segment, the presenter identifies the most common error people make when performing Romanian deadlifts: descending past the point where the hamstrings and glutes feel a stretch. He explains that once that stretch is felt, the hips should stop moving backward; continuing the descent forces the lower back into lumbar extension, placing excessive tension on the spine and increasing the risk of lower‑back pain. The speaker demonstrates the movement, shows that the hips no longer travel back past the stretch, and emphasizes the cue to stop at the stretch and immediately return to the upright position so the posterior chain does the work.
