Treating Your Shoulder Pain With Cortisone Injections: Dr. Matthew Pifer: Orthopedic Shoulder Surgeon Buy BPC 157 TB 500 Peptide Blend (20MG) 99% Pure Peptides Shoulder Bursitis From Overhead Painting Patient Overview A 58 year old who recently repainted their home experiences top shoulder pain when lifting the arm above 90. Assessment Tender subacromial area Painful arc during elevation Weak When you have bursitis, even little things, like getting dressed or combing your hair, can really hurt.