Skip to main content

Table 3 Results of the angle reproduction (A) and movement velocity/duration (B) analysis represented by mean, standard deviations (SD), 95% confidence interval (CI), p-values and effect size (Cohen’s D)

From: Acute effects of game-based biofeedback training on trunk motion in chronic low back pain: a randomized cross-over pilot trial

(A) Angle reproduction

Segment: Plane

Outcome

Pre (°)

Post (°)

p-value

Cohen’s d

Mean

SD

Upper 95% CI

Lower 95% CI

Mean

SD

Upper 95% CI

Lower 95% CI

Trunk segment: lateral flexion

Pmean

18.66

5.85

22.20

15.12

19.81

5.60

23.19

16.43

0.62

− 0.20

Trunk segment: lateral flexion

AR

 − 2.88

3.14

 − 0.98

 − 4.78

 − 3.17

2.46

 − 1.68

 − 4.65

0.65

0.09

(B) Movement velocity and movement duration

Outcome

Pre (°)

Post (°)

p-value

Cohen’s d

Mean

SD

Upper 95% CI

Lower 95% CI

Mean

SD

Upper 95% CI

Lower 95% CI

Movement velocity (°/s)

4.61

1.59

5.57

3.65

4.08

1.52

5.00

3.17

0.13

0.33

Movement duration (sec)

4.83

1.05

5.46

4.20

4.87

1.12

5.54

4.19

0.88

 − 0.04

  1. Legend: Pmean: mean value of the maximum angle for the two preparation trials (right side); AR: individual normalized angle reproduction (mean difference between Pmean − maximum angle of repetition 1–10)