HEAVY DUTY:These are very sturdy (I weigh >300 lbs) and they don't even creak, let along bow and feel shaky like some others. They have shock absorbing springs in them which takes a little bit of getting used to (because they give), but even at my weight, they feel very strong and sturdy.LEG RESTS:I ended up removing the leg rests, because I can't/won't ever use them, but for someone that had one leg weaker than the other (or an injury that they wanted to rest off the ground), they could be See full review