Hi i am Dr Ahmed Aly  
  thanks for using HealthcareMagic site ,
I had gone through your question and understand your concerns ..
     I hope you feel better soon , i think you may have 
arthritis or 
tendinitis as they may show your symptoms . 
    You may use painkillers ( NSAIDs ) like 
tylenol 400mg tabs when needed as they will help in reducing your pain and inflammation , hot gentle massages with topical anti-inflammatory gels , muscle relaxants , B12 vitamin supplements will be effective for most of cases . in more chronic and severe cases 
steroid tabs or injections may be prescribed if required .
   If these knots persists or increase in mass i recommend some lab investigations and 
X ray and follow them up with your orthopedic for proper evaluation and management . 
Please click and consider a 5 star rating with some positive feedback if the information was helpful. Wish you good health,
Any further clarifications feel free to ask.