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Table 3 Comparison of TrA thickness at different time points between two groups (mean ± SD, cm)

From: Effect of real-time ultrasound imaging for biofeedback on trunk muscle contraction in healthy subjects: a preliminary study

Time point

Exp (n = 20)

CG (n = 20)

Trest

0.281 ± 0.076

0.285 ± 0.081

Tc-max

0.539 ± 0.122#

0.518 ± 0.103#

T15s

0.521 ± 0.118#,*

0.412 ± 0.099#

T30s

0.468 ± 0.120#,*

0.348 ± 0.098

Fgroup / P value

14.01 / < 0.001

Ftime / P value

40.54 / < 0.001

Fgroup*time / P value

3.583 / 0.015

  1. NOTE: Exp Experimental group, CG Control group. # Compared with the resting state, P < 0.05;
  2. * Compared with the control group, P < 0.05
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BMC Musculoskeletal Disorders

ISSN: 1471-2474

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