A shoulder joint that is painful and uncomfortable while performing activities like lifting arm, moving arm while walking, writing etc. is termed as sore shoulder.
Causes:
It can occur due to various reasons like injury of the shoulder joint, sprain, infection, overuse of the joint, malalignment of the bones, or weak or unbalanced shoulder muscles.
Symptoms:
Soreness in shoulder joint can be felt as discomfort as any of the following: