Cycling can be 4 times more efficient than walking. An expert explains why(theconversation.com)
theconversation.com
Cycling can be 4 times more efficient than walking. An expert explains why
https://theconversation.com/cycling-can-be-4-times-more-efficient-than-walking-a-biomechanics-expert-explains-why-257120
1 コメント
Does that make cycling less 'good' for you over the same distance?