Shoulder (Basic)

https://www.youtube.com/watch?v=kkIEXfksgZI

https://www.youtube.com/watch?v=Mh1GJv1ErwI

https://www.youtube.com/watch?v=8eJQTr6_mN8

https://www.youtube.com/watch?v=3Ki1OrDyafg

https://www.youtube.com/watch?v=pOITZdJj0mE