The free moving nature of gymnastic rings means that you must constantly stabilize the rings and support your body. Unlike traditional fixed equipment, the top of the pushup is no longer a resting point. Your muscles are still activated because the rings can move away in an instant.

^^ Not a good pushup.

Workout of the Day
AMRAP 20 Min
10 DB Deadlift
10 DB Hang Sq Clean
10 DB Push Press
…
8 x 30 sec sprints / 30 sec rest
100 Flutter Kicks
100 Leg Levers