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Table 2 Physiological variables measured during 60 Watt constant load sub-maximal treadmill walking a

From: Therapeutic effects of maximal strength training on walking efficiency in patients with schizophrenia – a pilot study

  Maximal strength training (n = 6) Computer game training (n = 7) Difference pre-post between groups
  Pre Post Pre Post Mean (SE)
Net mechanical efficiency of walking (ϵ net ), % 17.3 ± 1.2 20.7 ± 2.9 b 19.4 ± 3.0 19.4 ± 2.5 3.4 (1.6) c
Oxygen uptake      
  L·min-1 1.71 ± 0.38 1.60 ± 0.37 b 1.77 ± 0.49 1.77 ± 0.45 −0.12 (0.06)
  ml·kg-1·min-1 22.0 ± 3.1 20.0 ± 2.9 b 21.5 ± 3.5 21.1 ± 3.2 −1.5 (0.7)
HR, beats·min-1 143 ± 9 137 ± 12 136 ± 17 133 ± 11 −4 (5)
VE, L·min-1 44.9 ± 12.2 39.9 ± 12.2 b 45.5 ± 15.7 44.8 ± 12.8 −4.4 (1.7) c
RER 0.95 ± 0.06 0.90 ± 0.06 b 0.93 ± 0.04 0.92 ± 0.04 −0.04 (0.01) c
  1. aData is presented as mean ± standard deviation. HR: heart rate, VE: total pulmonary ventilation, RER: respiratory exchange ratio, SE: standard error.
  2. bdifferences within groups from pre to post intervention (p < 0.05).
  3. cdifferences in change between groups (p < 0.05).