And if so, did they train just enough to maintain their power level, or did they increase their power?
1. Krillin from his revival to Mecha Freeza Saga.
2. Yamcha (on King Kai's planet) from the end of Freeza Saga to his revival.
3. Yamcha from his revival to Mecha Freeza Saga.
4. Future Krillin from Mecha Freeza Saga to his death.
5. Future Yamcha from Mecha Freeza Saga to his death.
6. Krillin from the end of Cell Games to Buu Saga.
7. Yamcha from the end of Cell Games to Buu Saga.
8. Krillin from Buu Saga to end of Z (Super not counting).
9. Yamcha from Buu Saga to end of Z (Super not counting).
1. Krillin from his revival to Mecha Freeza Saga.
2. Yamcha (on King Kai's planet) from the end of Freeza Saga to his revival.
3. Yamcha from his revival to Mecha Freeza Saga.
4. Future Krillin from Mecha Freeza Saga to his death.
5. Future Yamcha from Mecha Freeza Saga to his death.
6. Krillin from the end of Cell Games to Buu Saga.
7. Yamcha from the end of Cell Games to Buu Saga.
8. Krillin from Buu Saga to end of Z (Super not counting).
9. Yamcha from Buu Saga to end of Z (Super not counting).