Physical Therapy Korea
pISSN 1225-8962 eISSN 2287-982X

Head-neck alignment and muscle tone in four pillow conditions

Variable (A) NP (B) NSFP (C) SFP (D) HFP F p-value
(Bonferroni)
Peak pressure (mmHg) 128.67 ± 9.82 166.56 ± 7.57 77.71 ± 7.25 57.03 ± 2.96 59.72 < 0.001
(B>A>C>D)
CVAs (°) 47.51 ± 6.17 39.61 ± 3.16 32.54 ± 3.00 35.29 ± 3.22 97.10 < 0.001
(A>D>C>B)
CHAs (°) 16.55 ± 0.99 10.01 ± 1.00 –0.15 ± 0.94 6.73 ± 0.59 120.50 < 0.001
(D>A>C>B)
CSD (cm) 11.54 ± 0.31 11.32 ± 0.32 9.32 ± 0.32 10.23 ± 0.29 60.99 < 0.001
(A>D>B>C)
Muscle tone (Hz) 13.27 ± 0.18 12.61 ± 0.17 12.37 ± 0.13 12.48 ± 0.15 30.39 0.24

Values are presented as mean ± standard deviation. CVAs, cranio-vertebral angle in supine; CHAs, cranio-horizontal angle in supine; CSD, chin-sternum distance; NP, no pillow; NSFP, neck support foam pillow; SFP, standard microfiber filled pillow; HFP, hybrid foam pillow.

Phys. Ther. Korea 2024;31:8~17 https://doi.org/10.12674/ptk.2024.31.1.8
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