Table 3.
Correlational analysis of the head posture, cervical endurance and muscle size in the CNP and asymptomatic groups.
| CNP group |
Asymptomatic group |
||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| FHP | Flexor end | Total Ext end | Global Ext end | Local Ext end | FHP | Flexor end | Total Ext end | Global Ext end | Local Ext end | ||
| SpCap (AP) | r (p) | 0.21 (0.24) | −0.39 (0.02*) | −0.08 (0.63) | 0.01 (0.94) | 0.18 (0.56) | 0.38 (0.02*) | 0.33 (0.05) | 0.23 (0.18) | 0.38 (0.15) | −0.05 (0.85) |
| SSCap (AP) | r (p) | −0.03 (0.85) | 0.44 (0.01*) | 0.11 (0.52) | −0.10 (0.68) | 0.16 (0.60) | 0.16 (0.33) | 0.40 (0.01*) | 0.33 (0.04*) | 0.47 (0.07) | 0.34 (0.24) |
| SSCap (CSA) | r (p) | 0.10 (0.56) | 0.42 (0.01*) | 0.27 (0.12) | 0.16 (0.51) | 0.61 (0.03*) | 0.21 (0.20) | 0.42 (0.01*) | 0.41 (0.01*) | 0.61 (0.01*) | 0.37 (0.20) |
| SSCer (AP) | r (p) | −0.34 (0.050 | 0.44 (0.01*) | 0.13 (0.45) | 0.43 (0.07) | −0.09 (0.77) | 0.17 (0.31) | 0.62 (<0.01*) | 0.09 (0.59) | 0.17 (0.54) | 0.32 (0.27) |
| SSCer (CSA) | r (p) | −0.20 (0.27) | 0.26 (0.15) | 0.09 (0.59) | 0.40 (0.09) | −0.22 (0.94) | −0.01 (0.93) | 0.09 (0.60) | 0.10 (0.54) | 0.27 (0.32) | 0.26 (0.37) |
| MF (AP) | r (p) | −0.11 (0.53) | 0.00 (0.96) | 0.06 (0.74) | 0.54 (0.01*) | 0.18 (0.57) | 0.17 (0.32) | 0.53 (<0.01*) | 0.30 (0.08) | 0.42 (0.11) | 0.48 (0.09) |
| MF (CSA) | r (p) | −0.03 (0.85) | 0.10 (0.58) | 0.04 (0.82) | 0.51 (0.03*) | 0.08 (0.78) | 0.16 (0.34) | 0.53 (<0.01*) | 0.25 (0.14) | 0.52 (0.04*) | 0.22 (0.45) |
| LCO (AP) | r (p) | 0.07 (0.70) | 0.13 (0.45) | 0.05 (0.77) | −0.19 (0.43) | 0.48 (0.11) | 0.18 (0.29) | 0.57 (<0.01*) | 0.16 (0.34) | 0.42 (0.11) | 0.23 (0.43) |
| LCO (CSA) | r (p) | 0.26 (0.14) | −0.27 (0.12) | 0.02 (0.89) | −0.14 (0.55) | 0.32 (0.30) | 0.23 (0.16) | 0.40 (0.04*) | −0.17 (0.30) | 0.37 (0.17) | 0.03 (0.90) |
| LCA (AP) | r (p) | 0.07 (0.67) | −0.17 (0.32) | 0.08 (0.66) | 0.00 (0.99) | 0.18 (0.56) | −0.10 (0.56) | 0.13 (0.45) | 0.57 (<0.01*) | 0.31 (0.25) | 0.53 (0.05) |
| LCA (CSA) | r (p) | 0.01 (0.94) | −0.32 (0.07) | −0.03 (0.83) | 0.07 (0.75) | 0.03 (0.90) | 0.03 (0.82) | 0.38 (0.02*) | 0.46 (<0.01*) | 0.46 (0.08) | 0.41 (0.16) |
| SCM (AP) | r (p) | 0.09 (0.62) | 0.23 (0.20) | 0.16 (0.36) | −0.29 (0.23) | 0.33 (0.29) | −0.05 (0.74) | 0.05 (0.76) | 0.38 (0.02*) | 0.11 (0.68) | −0.04 (0.87) |
CNP, chronic neck pain; FHP, forward head posture; End, endurance; SpCap, splenius capitis; SSCap, semispinalis capitis; SSCer, semispinalis cervicis; MF, multofidus; LCO, longus colli; LCA, longus capitis; SCM, sternocleidomastoid; AP, antero-posterior; CSA, cross-section area. r: Pearson or Spearman correlation of coefficients.
The FHP, endurance test results, muscles thickness (AP) and CSA expressed in terms of degree, second, cm and cm2, respectively.
Statistically significant correlation.