I'll let you decide which attribute to float these to, but off the top of my head-
Shaolin Monk demonstrations:
- two-finger handstand
- dragging a log with the scrotum
- breaking bricks on the head
- beating with canes
- inverted human pyramid
- stiff-finger thrusting into sand or pebbles
Circus strong man:
- tossing a cannon ball up to catch on the back of the neck
- shooting a cannon ball into the stomach
- smashing a cinder block on the chest with a sledgehammer
- driving over the chest with a car
- hauling a truck with various parts of the body, e.g. teeth or the little finger
Others:
- catching a bullet with a small target held in the teeth
- catching a knife or arrow aimed at the performer
Googling "strong man acts" found these 2 cool websites-
http://listverse.com/2008/11/04/10-a...s-of-the-past/
http://www.toptenz.net/top-10-histor...f-strength.php