Table 3. Paired samples tests of SEMG median frequency of the cervical muscles recorded showing mean and their standard error mean, lower and upper 95% confidence interval of the difference, t statistic (degree of freedom: 43) and significance.
Direction |
Mean (Hz) |
SE means (Hz) |
t |
95 %CI |
p |
E |
35.5 |
.43 |
43 |
34.6 – 36.4 |
.001 |
RPO |
33.3 |
.39 |
84.5 |
32.6 – 34.1 |
.001 |
RLF |
60.7 |
.55 |
111.3 |
59.6 – 61.8 |
.001 |
RAO |
60.1 |
.49 |
122.8 |
59.1 – 61.1 |
.001 |
LPO |
32.8 |
.32 |
103.6 |
32.1 – 33.4 |
.001 |
LLF |
28.1 |
.25 |
112.9 |
27.6 – 28.6 |
.001 |
LAO |
27.7 |
.19 |
142.4 |
27.3 – 28.1 |
.001 |
F |
27.6 |
.17 |
159.2 |
26.9 – 27.6 |
.001 |
Bonferroni correction for eight situations set significance at less than 0.0018.