Table 3 Compensatory motion amplitudes and principal motions in 97 subjects. Reference values for cluster populations. Annotation: values are presented as mean (standard deviation)
From: Experimental assessment of cervical ranges of motion and compensatory strategies
Cluster 1 | Cluster 2 | Cluster 3 | Total | p | |
|---|---|---|---|---|---|
Population (Female) | 30 (16) | 32 (15) | 35 (24) | 97 (55) | |
Flexion/extension (°) | 111 ± 13.6 | 134.5 ± 8.4 | 133.2 ± 12.6 | 126.8 ± 15.7 | < 0.001 |
Rotation (°) | 131.4 ± 10.9 | 153.8 ± 8.1 | 151.7 ± 7.9 | 146.1 ± 13.3 | < 0.001 |
Inclination (°) | 78.9 ± 9.3 | 101 ± 9.3 | 86.2 ± 7 | 88.8 ± 12.4 | 0.04 |
Trans Flexion/Extension (°) | −0.7 ± 4.7 | 0.8 ± 5.2 | 0.9 ± 4.3 | 0.4 ± 4.7 | ns |
Front Flexion/Extension (°) | 5 ± 8.1 | 1.5 ± 8.2 | 3.9 ± 6.2 | 3.4 ± 7.6 | ns |
Sag. Right/Left Rot. (°) | 13.8 ± 15.4 | 28.6 ± 38.6 | 24.9 ± 39.8 | 22.7 ± 33.9 | ns |
Front. Right/Left Rot. (°) | 2.6 ± 6 | −0.9 ± 7.4 | −6.9 ± 7.4 | −2 ± 8 | < 0.001 |
Sag. Right/Left Incl. (°) | 0 ± 8.6 | 5.4 ± 9.1 | −3.7 ± 7.4 | 0.4 ± 9.1 | 0.07 |
Trans. Right/Left Incl. (°) | 17.9 ± 15.5 | 26.2 ± 26 | 31.9 ± 16.7 | 25.7 ± 20.6 | 0.006 |