
standing wall push up with hands at shoulder height, elbows bend to bring chest toward wall, maintaining chin tuck throughout.
Stand facing the wall, elevate the arms to 90 degrees in front and rest the both hands on the wall such that fingers facing each other. Lean on the wall,bend the elbows and try to reach the chest to the wall with maintaing th chin tuck, straighten the elbow to back to starting position and repeat.
Nothing here is a prescription. Your physiotherapist decides which of these are yours, and when.