Thank you for your query at DoctorSpring.com.
I have read your query with diligence.
After the injury, you had a partial width full thickness tear of your supraspinatus tendon. A tendon is similar to a rope and you can compare the suprasinatus tendon to an inch wide rope. So partial width full thickness tear means that only a portion of the wide tendon was cut and this part was cut was though and through. In case of the said rope, it would be like a quarter or half inch cut such that the rope is left weakened and gaping but still continuous. I hope you could understand this. The exact size of your tear can be determined only from the ultrasound image by the sonologist performing it unless it has been mentioned in the report
Tendon tears usually take a long time to heal. This would explain the soreness.
If you are having problem with your routine work, presence of persistence pain then you should go for surgery. Generally, surgery done within a month of injury has good results. In your case it has already been a year. In chronic cases results may not be as good as in acute cases. You can discuss the option of surgery with your surgeon who would have examined and known the details of your case.
Since you still have some soreness persisting, weight lifting may not be a good idea as of now. You should give the tendon more time to heal.
Hope this was helpful to you.
Feel free to ask queries.