TY Holten, how exactly did you get the injury? Just by repetitive shooting with that weight? 'Cuz to me it doesn't seem to be much different then say lifting weights when you draw a bow. Thanks for the heads up tho!
My injury broke out during a 3D event, but I guess it was a ticking bomb.
According to my physiotherapist a skewed muscle development in my shoulder (caused by archery) has pushed my shoulderblade up and slightly forward (left shoulder, I draw with my right arm).
The "new" position of my shoulderblade and slightly enlarged muscles around it limits the space for my upperarm tendons that fastens on my back. This induce a tendon irritation which makes it swell, which again worsens the condition even more.
My condition was mainly caused by less than optimal shooting form (stance and draw) and too heavy bows. Im still suffering from it now, a year later. A 45# bow and new stance make me able to shoot without pain tho:-). Tendons are not to be messed with:-/
Long story short....just be carefull mate:-).
Cheers