Do all levers operate with mechanical advantage

Approximately what percentage of americans are affected by schizophrenia

List three reasons people may begin using tobacco

A27 year old female client, who weighs 130 lb, claims to be able to lift 85 lb for 10 repetitions on the bench but only completed 6 repetitions. using the correct response for your client's 1 repetition max for bench press, what would her perceived rating be with regards to bench press strength?