Table. 2.
Comparison of SCM and upper trapezius muscles thickness at different pillow heights
| Pillow height / Muscle | Flat | 6cm | 12cm | F | P | Effect size(η2) |
|---|---|---|---|---|---|---|
| SCM (mm) | 6.48 ± 1.56 | 5.70 ± 1.45 | 7.00 ± 1.61 | 23.847 | < .001 |
.614 |
| Upper Trapezius (mm) | 9.54 ± 1.85 | 8.32 ± 1.76 | 9.49 ± 1.64 | 14.695 | < .001 |
.322 |
| Post-Hoc (SCM) | B > A,C | B > A,C | B > A,C | |||
| Post-Hoc (upper trapezius) | B > A,C | B > A,C | B > A,C |
* p < .05, mean ± standard deviation
A: Flat B: Pillow height 6cm C: Pillow height 12cm
J Korean Soc Phys Med 2024;19:53-60 https://doi.org/10.13066/kspm.2024.19.1.53 
© 2024 J Korean Soc Phys Med