Groundwork

The 29 Official Grappling Techniques of Kodokan Judo

Osaekomi-waza (pins or matholds)
http://www.judoinfo.com/pinning.htm
1. Kuzure-kesa-gatame
2. Kata-gatame
3. Kami-shiho-gatame
4. Kuzure-kami-shiho-gatame
5. Yoko-shiho-gatame
6. Tate-shiho-gatame
7. Kesa-gatame
8. Sode-guruma-jime
9. Kata-te-jime
10. Ryo-te-jime
11. Tsukkomi-jime
12. Sankaku-jime

Shime-waza (chokes or strangles)
http://www.judoinfo.com/chokes1.htm
1. Nami-juji-jime
2. Gyaku-juji-jime
3. Kata-juji-jime
4. Hadaka-jime
5. Okuri-eri-jime
6. Kata-ha-jime
7. Do-jime

Kansetsu-waza (joint locks)
http://www.judoinfo.com/kansetsuwaza.htm
1. Ude-garami 2. Ude-hishigi-juji-gatame
3. Ude-hishigi-ude-gatame 4. Ude-hishigi-hiza-gatame
5. Ude-hishigi-waki-gatame 6. Ude-hishigi-hara-gatame
7. Ashi-garami 8. Ude-hishigi-ashi-gatame
9. Ude-hishigi-te-gatame 10. Ude-hishigi-sankaku-gatame