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Table 1 The mean thicknesses of four muscles in the relaxed and contracted states (Unit: centimeter), 95 % confidence interval (CI) in Resting state and Contracted state, the related C/R ratio, and the p value in differences between the relaxed and contracted states for the four muscles

From: Dynamic evaluation of the contractile function of lumbodorsal muscles during locust pose in yoga by real-time ultrasound

  the left multifidus the right multifidus the left quadratus lumborum the right quadratus lumborum the left longissimus the right longissimus the left iliocostalis the right iliocostalis
Resting state 1.32 ± 0.27 1.37 ± 0.31 1.38 ± 0.32 1.30 ± 0.32 2.33 ± 0.51 2.34 ± 0.49 1.88 ± 0.41 1.98 ± 0.40
Contracted state 1.60 ± 0.30 1.68 ± 0.38 1.62 ± 0.40 1.55 ± 0.41 3.20 ± 0.61 3.26 ± 0.68 2.34 ± 0.49 2.44 ± 0.56
95 % CI in Resting state 1.24 ~ 1.39 1.29 ~ 2.46 1.29 ~ 1.47 1.21 ~ 1.39 2.19 ~ 2.47 2.20 ~ 2.48 1.76 ~ 1.99 1.87 ~ 2.09
95 % CI in Contracted state 1.52 ~ 1.69 1.58 ~ 1.79 1.50 ~ 1.73 1.44 ~ 1.67 3.03 ~ 3.37 3.07 ~ 3.45 2.00 ~ 2.47 2.29 ~ 2.60
 C/R 1.23 ± 0.12 1.24 ± 0.15 1.17 ± 0.10 1.19 ± 0.11 1.39 ± 0.14 1.40 ± 0.16 1.25 ± 0.12 1.24 ± 0.14
F 26.49 21.14 10.71 11.54 62.17 62.11 26.34 23.63
P < 0.001 < 0.001 = 0.001 = 0.001 < 0.001 < 0.001 < 0.001 < 0.001