ZED #19 - ZejaX Western Drops
With your back against the wall, drop down, both your knees will be at a 90 degree angle.
Come back up using Zejax, switch sides bringing the Zejax over your head and arching your spine.
Alternate sides and do as many repetitions as you can.
You will find more exercises like this on the ZejaX Grappling Strength and Conditioning Program HERE