I have a sharp pain in my bicep (is it the long head on the outside?) that hits me pretty hard if I extend my left arm. It's even painful to put on a shirt (not a pull over type shirt). I have no idea what happened, but it's been bothering me for about 2 months now.
Any ideas as to what I did to cause this kind of injury (if it is an injury) or how to heal it?
TIA.
Any ideas as to what I did to cause this kind of injury (if it is an injury) or how to heal it?
TIA.
.
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