Helps with:
Strength
Arm and hand
Double arm raise
Starting position
Sitting on a firm surface eg edge of the bed, on a stool/chair or even the loo!
This exercise can also be done in a lying position.
Step one
Hold an umbrella, pole, rolling pin or something similar, at hip level.
Step two
Keeping the elbows straight, raise the umbrella up and over your head if you can without causing any pain
Then lower slowly.
Repeat 3-5 times.