I found two very interesting articles on the biomechanics of the wrestling waist/ arm throw and the single leg takedown. The articles discuss what is going on in both techniques and gives a very detailed training plan for the techniques. Plus both articles have cool drawings.
They are at:
Waist and arm throw
http://files.websitewizard.com/files/9484/files/unprotected/i0744-0049-012-03-00 06.pdf
Single leg takedown
http://files.websitewizard.com/files/9484/files/unprotected/i0744-0049-005-05-00 06.pdf
The site where I found them is Grapplers Gym:
http://www.grapplersgym.com/Articles.html
Take care,
Brian
Thanks Brian.
Awesome information... thanks!