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Published on 22 de octubre de 2025 | http://doi.org/10.5867/medwave.2025.09.3129

Exploring axial muscle performance with the supine bridging activity across critical illness recovery: A prospective observational study

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Physical functioning performance on awakening according to walking ability at high dependency unit discharge.
Physical functioning measurements on awakeningUnable to walk1 (n=8)Able to walk2 (n=18)p-value
Supine bridging activity free knee flexion score, median [P25 to P75]1 [1 to 2]2 [2 to 5]0.002
  Lifting time, sec, median [P25 to P75]10.5 [7.5 to 13.0]23.5 [12.0 to 36.0]0.05
MRC Sum Score, median [P25 to P75]31 [29 to 34]49 [37 to 55]0.01
  Proximal muscles score, median [P25 to P75]2.3 [1.5 to 2.6]3.6 [2.5 to 4.0]0.01
  Distal muscles score, median [P25 to P75]3.0 [3.0 to 3.4]4.0 [3.8 to 5.0]0.02
FSS-ICU score at awakening, median [P25 to P75]7 [6 to 10]19 [15 to 26]0.003
  Rolling score, median [P25 to P75]2 [2 to 3]5 [4 to 6]0.003
  Supine to sit transfer score, median [P25 to P75]2 [1 to 2]3 [2 to 5]0.03
  Sitting at the edge of the bed score, median [P25 to P75]3 [0 to 4]5 [4 to 7]0.006
  Sit to stand transfer score, median [P25 to P75]0 [0 to 3]4 [3 to 5]0.02
  Walking score, median [P25 to P75]0 [0 to 0]3 [0 to 5]0.01

P25 to P75, percentile 25 to percentile 75. FSS-ICU, Functional Status Score for the Intensive Care Unit. MRC, Medical Research Council.

1 Inability to walk = Walking FSS-ICU item ≤2.

2 Ability to walk = Walking FSS-ICU item >2.

Source: Prepared by the authors of this study.