Is Walking on a Treadmill a Good Thing?

If somebody has osteoarthritis in their knee does it help take that load off the knee if it's on an incline yeah. So for the flat dwellers the flatlanders which are pretty much all of us right the levellanders those who consume almost all level walking well you you've got all of these other muscles that should have been taking you up and down hills your entire life so over time what we experience because we are shod is our legs are essentially they're collapsing inward, thighs are collapsing inward which turns the lower leg outward. If you go uphill you just have to add hills up and down  and it helps if you therapeutically understand how to correct yourself