File:Neck movement trace.png
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Figure 1. Active head rotation of the author recorded using Goniometro Advance app on an Android phone. Red is Rotation, Orange flexion/extension, and blue Lateral flexion. Vertical lines indicate the variation of these coupled movements (mean +/- 1.96*SD) of a group of participants aged in their 20’s of values from Salem et. al. 2013
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
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| current | 23:35, 23 January 2024 | | 1,080 × 2,400 (145 KB) | Neil Tuttle (talk | contribs) |
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