? Sprain. If you have injured your rotator cuff over time or w/ one episode of trauma you may have 'strained' or irritated the rot cuff.These generally will get better w/time. If, however, you tore or partially tore the rot. Cuff this may not improve completely and may require surgery. A good exam and quality MRI scan can differentiate between the two. See an ors w/ specialty training in shoulder surg. Gl!
Rotator cuff. Rotator cuff pathology is a spectrum. Whether it is permanent depends on where the cuff is on that continuum. Healing or lack thereof. Most of the time it presents as varying amounts of pain, increased i by certain arm positions.Restricted arm motion , nite time pain are part of the symptoms. One should seek professional evaluation.