The Lever Lunge exercise works your shoulders, arms, obliques, and legs.
This (number?) is called the (??) and twist. I'm (??) is to heavy. Try without a (??). Taking your arms above your head. Now really (??) by your shoulders pressing down, abs and (??) lower that back knee down toward the (ramp?) and bring that way down to (??). Do it slowly (??) come up and lower do dynamic movement and require your whole body (??).