If its physically possible, I believe people rise to the occasion. When I joined TKD over 8 yrs. ago, nobody did full body pushups just split pushups and only 50 were asked. Then one day as a blue belt, I was asked to do a full body pushup. I thought, you got to be kidding. I could get in the up position and it was difficult enough just to hold that. He had mercy though, he put a chest gear underneath me if I crashed my face into the floor. I couldn't do one. I could get up to 100 split pushups, then 200, then 300. Then I started on full body. Last year, I did them in sets. First ten good ones, rest 30 sec., then as many as I could do until muscle failure. I continued on those doing sets, plus total gym-upper body pulldowns etc. until I built up to 50 push ups, then next set 40, 30, 20 10. I worked my sets up to count finally close to 400 total pushups. (maybe not all good but they were a pushup) My last round I did do 100 good ones prior to breaking. I was age 53 then and now at 55 I can still do 50 easy and probably alot more but probably not up to 100 again unless I worked it again. I'm no unusual woman either. Just average. I think if I can do it, anybody without neck, shoulder, back problems etc. absolutely can. And I intend to do it at age 60 too. TW