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Table 1 Descriptive data for the chronic WAD and control groups (six men and nine women in each group)

From: Muscle activity and head kinematics in unconstrained movements in subjects with chronic neck pain; cervical motor dysfunction or low exertion motor output?

Variable

WAD

Control

Age (yrs)

40.1 (8.7)

38.7 (8.8)

Height (cm)

170.5 (8.5)

173.2 (7.6)

Weight (kg)

78.3 (13)

75.8 (13.9)

BMI (kg/m2)

26.9 (4.2)

25.1 (3.2)

Head mass (kg)

4.33 (0.34)

4.53 (0.30)

Hand grip strength, dominant (kg)

45.3 (11.4)

50.1 (12.6)

          non-dominant (kg)

41.8 (11.8)

47.3 (12.1)

SF-36, PCS (0–100)

33.4 (9.7)**

54.4 (5.0) (n = 14)

    MCS (0–100)

45.3 (15.0)*

55.2 (4.8) (n = 14)

Duration of symptoms (months)

22 (98)

-

Pain intensity, pre-test (1-10)

3.1 (1.4)

-

       post-test (1-10)

5.6 (2.0)#

-

NDI (0–50)

21.7 (5.6)

-

FABQ, W (0–42)

22.3 (10.2)

-

    PA (0–24)

10.5 (4.5)

-

  1. Results are average (SD). For the duration of symptoms the results are median (interquartile range). Statistically significant difference from the control group; * p < 0.05, ** p < 0.0005. Statistically significant difference from the pre-value within group; # p < 0.0005.
  2. Abbreviations; BMI body mass index, SF-36 short form-36, PCS physical component summary, MCS mental component summary, NDI neck disability index, FABQ fear avoidance beliefs questionnaire, W work, PA physical activity.