She had to lean against a bollard just to stand there waiting, when she attempted to walk her knees wouldn’t take it.
Blast from the past....the Poetess Sappho from the sixth century BC:
....my skin once soft is wrinkled now,
my hair once black has turned white.
My heart is heavy,
my knees that once danced nimbly like fawns cannot carry me.
How often I lament these things --- but what can be done?
No one who is human can escape old age.
Sappho, eh?