they check your: blood pressure. heart rate. eye sight. weight. height. flexibility. and if you have a hernia. (they check to see if you have a hernia by putting two finger beneath your testicles and...
well, miscarriage is always a possibility if you get hit in the stomach or fall. go see a doctor, they'll tell you what you should or shouldn't be doing.
What happened was that at the time it was called football but it was actually played like soccer. When they changed the rules to football (which then made it more like rugby), they kept the old...