I posted this on
www.anabolicfitness.net a while back.
I am a bodybuilder, but have a flirted a bit with Powerlifting (WSB) this last year. I came across the hardest exercise I have ever done and you use your own bodyweight.
I want you all to try and do one set of this exercise with no additional weight and post me how many reps you can do.
Glute/Ham raises are best done on a special bench, but can be simulated without one.
You are to be lying flat on the floor with your stomach on the ground. Underneath your knees put a pad or a towel to cushion them. Brace your ankles underneath a machine, or just have your training partner hold your ankles. That is the best way....tell him to put all of his weight on your ankles.
Using only hamstring strength, pull yourself to where your body above the knees is perpendicular to the ground. MAKE SURE TO PUT YOUR HANDS IN FRONT OF YOU WHEN YOU COME DOWN! You might not even be able to get the negative. When in the down position, if you have to, push off to start doing the concentric rep again.
With no weight my 1st time I could not do any...not even the negative, but eventually, my hams have responded better to this than anything. Hams are mostly a fast twitch muscle that thrives better on lower reps and heavier weight. Don't do over 10 reps or so....if you can.
There is the challange. Can you do 1 positive rep by yourself? Let me know the results.
Even though I don't like the site, if you need to know what the movement looks like, click this link and go to glute/ham raises.
http://www.testosterone.net/articles/165ham.html