Comparison of the Effectiveness of the Ultrasound Guided Injections in Patients With Shoulder Impingement Syndrome

5 mL of 0.25% bupivacaine containing 20 mg methylprednisolone was administered to the subacromial area

5 mL of 0.25% bupivacaine containing 20 mg methylprednisolone was administered to the subacromial area for the subacromial+acromioclavicular joint injection. In addition, 2 mL of 20 mg methylprednisolone and the same concentration of local anaesthetic were injected into the acromioclavicular joint

suprascapular nerve block was administered with a mixture of 10 mL of 0.25% bupivacaine and 40 mg methylprednisolone