There are 17 basic techniques for randori (free practice) in aikido. These are split into four sections. The first is atemi waza (striking techniques). In practice, no strikes are involved, the applications are by placing the hands and using body movement to push or pull your opponent down.
1. Shōmen ate
2. Aigamae ate
3. Gyakugamae ate
4. Gedan ate
5. Ushiro ate