The person on the far left did the YWLT sequence exclusively: the other two women did military presses and classic lateral raises. The shoulder workout that you really need- How do I know? Well having busted my collarbone as a cyclist I have learned almost every exercise there is out there from the experts- My PT worked on Olympic Rowers and I got Lucky- a client got me in there and she totally fixed it- But more importantly I STILL do the exercises. The YTML sequence is one of my favorites. I did it with my Clorox bottles starting at the 2 lbs the PT suggested.(Clorox bottles make great weights). Eventually I got up to 8 lbs per hand. If you know anything about the physics of shoulders an object held out from the side of the body with a barely flexed elbow exerts pressure on the core as well- It is not all shoulder all the time... Using the Pythagorean Theorem A2 times B2 = C2 An 8 lb ...