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Walking an hour would require a decent amount of fitness. Not sure why you’re saying it’s a non-activity

• pizza234 6y ago
  Well, unless one is severely overweight, walking is a very light activity - it actively employs very few muscles and has a very minimal cardiovascular impact. However, this is a bit odd in context. If one considers a population where 60%+ of the population has 30%+ of bodyfat percentage, then it's impossible to define what constitutes fitness - even one flight of stairs, in a sense, requires a decent amount of training. In at least northern Europe, hiking is relatively common for elderlies (people in their 60s) - and this amounts to hours of walking in rough terrains, so definitely, for a person who's not (considerably) overweight, and hour of walks in the city is... a walk in the park.