First he shows a little shoulder internal rotation assesment test – the “hand lift of” test.
First thing he does at his clinic when he sees athletes missing internal rotation is focusing on the anterior delts. first.
- 5 minutes per side lying on back, self massage deltoids with a barbell while oscillating and creating movement
- 2-3 minutes per side lying face down, lacrosse ball pec minor massage
Check out Mobility 101 for more mobility awesomeness.
Update:Here are some modifications you can try.