Pseudo planche push ups 

keep the hands shoulder width apart or a bit wider
turn the hands out if the you lack the wrist are a bit tight
bring yourself into a straight arm plank position, with the shoulders on top of the writs and hips level with the shoulders.
pull the hips into the stomach by engaging the lower abs.
push the pecs in towards one another.
protract the scapula by rounding the mid back and shoulder blades.
externally rotate the elbows and shoulders.
keep the body as one piece, squeezing the legs together and lean the shoulders forwards keeping there same tension.
bend at the arms and as you bring the hips down, as you push back up, drive the shoulders up and elbows forwards.
the shoulders need to follow the same line up and down the whole time.
when you return to the top position, reset the shoulder blades into the rounded position from there start and go again.