As guidelines, we can retain: Pain deemed disabling by the patient Walking perimeter less than 1 km (below, massive atrophy of the musculature tends to occur) Loss of independence / autonomy (like pain, this is highly subjective) There is no real age [en.centredouleur.net]

[…] and try to do it while it increases the pain? Learn to divide your activity. It is consecutive time that causes pain, not cumulative time. [en.centredouleur.net]

pain (contrary to popular belief, a narrow lumbar canal can only manifest itself as low back pain without any root component) Limitation of the walking perimeter. [en.centredouleur.net]

back pain (contrary to popular belief, a narrow lumbar canal can only manifest itself as low back pain without any root component) Limitation of the walking perimeter. [en.centredouleur.net]

Finally, this element is the most important, because the pain remains subjective by definition and some patients hardly describe pain even though they are unable to walk more than 200 m without stopping. [en.centredouleur.net]