Originally Posted by CoachSuzanne
.. The problem with laying on your back on the bed, while creative and will certainly get you a good start, is that it nearly forces you to bring the upper arm down with the action you describe. At least standing up, you can use body rotation to allow the shoulder to get into a friendlier position without pain.
Exactly, it DOES force me to do that (but I always work to avoid pain - as per a yoga approach). And I could roll on the bed so no problems in doing that. However, what I see in the video is that his arm never moves out of the plane of his body so lying flat shouldn't be a problem.
Could you identify the moment in the video in the slo-mo section between 0:24 - 0:33 when you see it doing so?
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