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並前往https://www.jsams.org/cms/10.1016/j.jsams.2019.12.009/attachment/496bc04d-f36d-4e81-9108-5663e0fb9895/mmc1.pdf

Stage 1

✓ Arms and chest off the ground. ✓Neck straight with eyes to the ground. Incorrect technique: ✘Hyperextending the low back. ✓. ✓. ✘.

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