Skip to main content

Advertisement

Table 2 Ranges of principal motion of painless ROM within the 3D space 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)  
Age (y.) 31.8 ± 9.7 27.7 ± 6.8 26 ± 4.8 28.3 ± 7.5 0.002
Weight (kg) 69.9 ± 15.2 66.8 ± 11.1 63 ± 10.5 66.4 ± 12.5 0.2
Height (cm) 171.2 ± 9.5 172.8 ± 8 169.9 ± 8.7 171.3 ± 8.7 ns
BMI (kg/m2) 23.7 ± 4.1 22.3 ± 2.7 21.7 ± 2.6 22.5 ± 3.2 0.1
Flexion (°) 55.3 ± 9 71.2 ± 8.6 69.9 ± 10.1 65.8 ± 11.6 < 0.001
Extension (°) −55.7 ± 9.1 − 63.3 ± 8.8 −63.3 ± 7.5 − 61 ± 9.1 < 0.001
Right Rot. (°) 64.6 ± 7.3 75.6 ± 5.2 74.1 ± 6 71.7 ± 7.8 < 0.002
Left Rot. (°) −66.9 ± 6.7 −78.3 ± 6.4 −77.6 ± 4.4 −74.5 ± 7.8 < 0.003
Right Incl. (°) 38.4 ± 6.2 49.6 ± 6.4 42 ± 5.2 43.4 ± 7.5 ns
Left Incl. (°) −40.4 ± 6.2 −51.4 ± 5.2 −44.2 ± 4.5 −45.4 ± 6.9 ns
Mean Time Flex/Ext 362 ± 89.2 391.1 ± 68.1 393.6 ± 83.4 383 ± 81 ns
Mean Time Rot 287.4 ± 64.4 314.4 ± 65.4 305.9 ± 76.5 303 ± 69.5 ns
Mean Time Incl. 282.9 ± 65.4 295.9 ± 62.1 296.7 ± 77.5 292.2 ± 68.6 ns