经常伏案工作的姐妹和学生党们快码住这个操！骨科医生每天低头做手术为啥他们没有颈椎问题？他们自用的方法准没错哒，简单的三个动作又好坚持，练起来！
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| VIDEOS | |||
| MP4 | N/A | 480P | Download |
| MP4 | N/A | 360P | Download |
| AUDIO | |||
| MP4 | N/A | mp4a.40.2 | Download |
| MP4 | N/A | mp4a.40.5 | Download |
| MP4 | N/A | mp4a.40.2 | Download |
| THUMBNAILS | |||
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JPEG | Origin Image | Download |
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