It's fine for him, but I used it also and it affected my bad knees adversely

I have bad knees, but they feel fine during and after using this machine

For my bad knees, it's a bit more difficult, but not terribly painful.

Going forward hurts my knees.

hurts my knees to use the elliptical .

I foolishly assumed I could just jump on it and ride at settings my husband used when he put together for me (by the way, only took him 35 minutes) and strained my knee

It hurt my knees so bad witin 10 minutes of using the machine

The machine gives you a good workout, but wouldn't recommend it if you have bad knees to begin with.

my knees get to hurting pretty easily