P206 Parathyroid Hormone Suppressed Fatty Infiltration and Muscle Atrophy after Rotator Cuff Tear by Fibro-Adipogenic Progenitors Browning in a Rodent Model

P207 Hydrogen Peroxide Applied Directly to the Dermis following Skin Incision Decreases Deep Cutibacterium Acnes Contamination during Total Shoulder Arthroplasty; A Randomized Controlled Trial

P208 Cow Hitch Suture Cerclage for Fixation of the Greater Tuberosity in Fracture Reverse Total Shoulder Arthroplasty  in Elderly Patients with a Minimum Follow Up of 2 Years: A Case-Control Study

P209 Press-Fit versus Loose Fit Stems and Risk for Surgical Outcomes following Radial Head Arthroplasty: A US-Based Cohort Study of 1,575 Patients

P210 Long-Term Results of Revision Rotator Cuff Repair for Failed Cuff Repair: A Minimum 10-Year Follow-Up Study