This is done with partner. One partner work while other rest.
Airdyne is 1 minute work following 20 sec time to partner get set & go.
Athlete who steps of from Airdyne 1 min interval must do 5 or more push ups and pull ups before he/she can begin rest time.

Try to keep steady pace in each interval and pick your number to pull/ push ups and stick to it. Pick a challenging number!