Intensity of challenge to the balance system is not reported in the prescription of balance exercises in randomised trials: a systematic review

How has balance challenge intensity been reported in trials of balance exercise interventions? Are there any instruments designed to measure the intensity of balance challenge in balance training exercises? Design: Systematic review of randomised trials of balance training exercises. Participants: Older adults, ie, the majority subjects were aged over 55 years. Intervention: Balance exercise intervention, or multi-dimensional intervention that included a balance exercise intervention.