Physical Therapy Korea
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Changes in the activation ratios of the upper-extremity muscles in the convention group

Before (n = 14) After (n = 14) t p-value d


Mean ± SD 95% CI Mean ± SD 95% CI
Reach 1
Ant.Del 0.27 ± 0.08 0.23–0.31 0.25 ± 0.06 0.22–0.28 1.264 0.230 –0.283
Reach 2
Ant.Del 0.27 ± 0.09 0.22–0.32 0.26 ± 0.08 0.22–0.30 0.683 0.508 –0.117
Reach 3
Ant.Del 0.24 ± 0.07 0.20–0.28 0.22 ± 0.06 0.19–0.25 0.964 0.354 –0.307
Reach 4
Ant.Del 0.23 ± 0.08 0.19–0.27 0.25 ± 0.06 0.22–0.28 0.676 0.512 0.283

Mean ± SD, mean ± standard deviation; CI, confidence interval; Ant.Del, anterior deltoid.

Phys. Ther. Korea 2022;29:147~155 https://doi.org/10.12674/ptk.2022.29.2.147
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