Table 3 Means and standard deviations of electromechanical delay for muscle groups/ muscles in CLBP and Non-CLBP groups.

From: The effect of fatigue on electromechanical response times in basketball players with and without persistent low back pain

Variable

CLBP (N = 12)

Non-CLBP (N = 12)

P value†

Non-Fatigue

Fatigue

Non-Fatigue

Fatigue

Mean ± SD

Mean ± SD

Mean ± SD

Mean ± SD

EMD (ms)

 VL

15.45 ± 9.57

13.29 ± 1.65

14.58 ± 4.83

13.73 ± 4.14

 < 0.001**

 VMO

13.94 ± 10.82

13.65 ± 1.93

15.29 ± 3.98

14.56 ± 4.70

 < 0.003**

 BF

13.71 ± 10.09

16.70 ± 2.58

12.94 ± 3.05

12.93 ± 4.24

0.578

 SM

13.39 ± 9.25

12.55 ± 1.72

13.42 ± 4.73

13.31 ± 4.12

 < 0.025**

 MG

3.54 ± 6.00

8.74 ± 4.87

11.33 ± 1.19

0.64 ± 2.07

 < 0.001**

 LG

4.79 ± 6.87

5.53 ± 5.06

2.60 ± 2.28

3.39 ± 1.73

0.054

 TA

7.61 ± 2.43

5.25 ± 4.34

9.87 ± 2.05

− 1.70 ± 1.11

 < 0.001**

  1. EMD electromechanical delay, VL Vastus Lateralis, VMO Vastus Medialis Oblique, BF Biceps Femoris, SM Semitendinosus, MG Med gastrocnemius, LG Lateral gastrocnemius, TA Tibialis anterior, SD Standard deviation.
  2. **P value < 0.05 considered to be statistically significant.
  3. †Statistically significant differences between the CLBP and Non-CLBP groups.
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