Why the study?
Does backward walking and running increase cardiopulmonary and metabolic demand compared to forward walking and running?
Does backward walking and running increase cardiopulmonary and metabolic demand compared to forward walking and running?
Backward locomotion elicits a greater metabolic demand and cardiopulmonary response than forward locomotion at a given speed, suggesting it can be used to maintain cardiovascular fitness during rehabilitation.
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May increase cardiopulmonary stimulus in rehab; leaves open prospective validation for fitness outcomes.
Flynn et al. (1994) studied this question.