Hi i am Dr Ahmed Aly thanks for using healthcaremagic site , I had gone through your question and understand your concerns .. In my opinion it means increased the activity of bone forming cells called osteoblasts and thats is the opposite of degenerative where bone resorption cells called osteoclasts transform bone to calcium . both formation and degeneration cause joint pain and arthritis so i think your acromioclavicular joint mobility is reduced and causes pain when overstretching your muscle origins while your vertebrea may show mild cervical disc herniation so i think you may visit your neurologist for proper evaluation and management . Please click THANK YOU and consider a 5 star rating with some positive feedback if the information was helpful. Hope the above information helps you, Any further clarifications feel free to ask.