try searching the forum, as youre question will have undoubtedly been submitted and answered before.on the forum.but sure users will be more than happy to help .
theres a wealth of info here,and thease guys can rival the pros for real world advice(in my opinion)
you havent stated whether you need a full hair system or a topper?(a partial)
1)make a template of youre balding area
go to u tube
http://www.youtube.com/results?search_qu...plate&aq=f
2)how to order link http://toplace.com/how-to-order.html#base
3)find a local hair salon who will cut in and bond the system for you, theres a list available
on this site,unless you already know a local salon.
http://toplace.com/hairloss-info-tips.html#versus
and with modern hair systems , glues tapes, i dont think you'll have any problems with bonding and heavy excercise,that cant be worked out and overcome. once you find which glues, tapes work best for you , this depends on youre scalp,and body chemistry,
how oily youre scalp is, or how long it takes the oils to return to youre scalp after washing, , sweat,heat.ect
please note!!!this is just at a small snapshot of the whole proccess.
it can seem daunting at first,but as with everything else in life its easy when you know how.