Participants completed 3 sets of 8 repetitions for each exercise

Participants completed 3 sets of 8 repetitions for each exercise. Intensity was increased progressively based on repeated estimation of 8 RM (repetition this website maximum). The control group received conventional physiotherapy 1–3 sessions a week. Outcome measures: The primary outcomes were walking ability (timed 10 m walk, 1-minute fast walk test, timed stair test) and participation (intensity scores of 17 items of Children’s Assessment of Participation and Enjoyment questionnaire recalculated on a 0–100 scale) measured at baseline, after 6 and 12 weeks training, and 6 weeks after the intervention. Secondary outcome measures were anaerobic muscle power,

muscle strength, spasticity and range of movement (ROM). Results: 49 participants completed the study. At the end of the intervention period, there was no difference between the groups for comfortable (−0.04, 95% CI −0.18 to 0.1 m/s) or selleck chemicals llc fast walking speed (0.04, 95% CI −0.04 to 0.12 m/s), timed stair test (0.8, 95% CI −2.6 to 4.3 s) or participation (−1, 95% CI −11 to 9). Muscle strength improved significantly more in the intervention group than the control group immediately after the intervention by 1.3 N/kg (95% CI 0.6

to 2.5) for total isometric muscle strength and by 14% BW (95% CI 2 to 26) for 6 RM leg press. Knee flexion range had decreased in the intervention group by 15° (95% CI −29 to −1) compared to the control group 6 weeks after training stopped. The groups did not significantly differ on anaerobic muscle power, spasticity or other ROM outcomes. Conclusion: A 12-week functional PRE program improved muscle strength, but did not improve functional walking activity in school-aged ambulatory children with CP. This rigorously conducted trial in moderate to high functioning children with CP compared an adequate dose of training (36 hours over 12 weeks) with a focus

on PRE of lower limb muscle groups compared to usual care (which in the Netherlands is 12–36 hours of regular physiotherapy). It is adequately powered and elegantly provides test-retest reliability on all key measures. The study ‘gained what it trained’; improvements in lower limb muscle strength Florfenicol which did not transfer to improved walking ability. Why should we expect PRE in the gym to translate to improved walking ability in children who are GMFCS I and II? As the authors correctly conclude a lack of context specific training (ie, training walking ability) and a high proportion of children who were GMFCS I (51%) with sufficient strength for walking capacity explains the null result. The high level of physiotherapy administered in the usual care group (much higher than in Australia or North America) could also explain why both groups improved on gait parameters. The authors propose functional training of strength needs to be in context (Thorpe et al 2005) to improve walking ability, and training of higher level ambulation is an important next step.

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