Originally posted by: Zugzwang152
what do you mean by "for knees"?
Originally posted by: notfred
Soft beach sand (not the wet hard stuff by the water)
Of course, it's twice as much work as running on hard sand.
Originally posted by: NewSc2
Originally posted by: notfred
Soft beach sand (not the wet hard stuff by the water)
Of course, it's twice as much work as running on hard sand.
as long as you're burning more calories on the soft sand who cares?
Originally posted by: LakerGod
I have crap knees so i was wondering what the best surface is. My friend contends that it is a treadmill while I prefer a track. I thougnt a little AT poll would settle things. 😀