Table 1.
Mean relative muscle activity (% of MVIC) and standard deviation (SD) of the different trunk muscles during bridging exercises.
| IO | RA | EO | MF | ICLL | ICLT | |||||||
| Mean | (SD) | Mean | (SD) | Mean | (SD) | Mean | (SD) | Mean | (SD) | Mean | (SD) | |
| Exercise 1 | 5.58 | (5.00) | 1.91 | (1.27) | 5.98 | (4.36) | 22.64 | (7.51) | 20.32 | (8.56) | 20.59 | (5.51) |
| Exercise 2 | 6.58 | (4.80) | 2.76 | (2.35) | 10.32 | (7.99) | 23.99 | (7.15) | 27.17 | (10.20) | 22.24 | (6.96) |
| Exercise 3 | ||||||||||||
| Ipsilateral | 29.80 | (9.97) | 4.72 | (3.45) | 16.34 | (12.09) | 23.54 | (6.33) | 28.45 | (11.50) | 25.84 | (7.84) |
| Contralateral | 10.11 | (6.95) | 3.55 | (2.18) | 14.93 | (9.34) | 24.58 | (8.80) | 20.44 | (9.24) | 20.60 | (8.22) |
IO = internal oblique; MF = lumbar multifidus; ICLL = iliocostalis lumborum pars lumborum; RA = rectus abdominis; EO = external oblique; ICLT = iliocostalis lumborum pars thoracis.