I read a Frederic Delavier’s book « Strength Training Anatomy » and there is good stuff.
Standing with your arm outstretched, grip to a support with your hand to slowy rotate your torso on the opposite side of the support.
This exercise mainly works the major pectoralis, anterior deltoid and brachii biceps.
Variant : It’s advisable to place your hand at several different heights to stretch all the pectoralis major’s beams.
Note : It’s an excellent stretch for bench press, throw sports, volleyball and handball.
Share this article if you think it can help someone you know.Thank you.