The simplest description of a support is to hold your body above the rings with straight arms. Most people's first experience with ring training is entering the support position and shaking like a madman.
Read the article Support Strength on the RingsPoints of performance for how to safely and efficiently perform the box jump.
Watch The Box JumpRequiring more stability in the shoulders and the midline, while also increasing depth, the ring push-up is significantly more difficult than traditional push-ups on the floor.
Watch The Ring Push-Up