e476 Delayed Operative Intervention Greater Than 14 Days is Not Associated With Increased Complications or Reoperation in Proximal Humerus Fractures

e477 Does Time to Surgery Affect Final Range of Shoulder Motion following Proximal Humerus Fracture Fixation?

e478 Comparing Reverse Total Shoulder Arthroplasty for Fracture versus Degenerative Conditions: Five-Year Minimum Follow - Up

e479 Successful repair after arthroscopic rotator cuff repair is important for recovery of fatty infiltration over 2 years follow up using MRI IDEAL technique

e480 Achieving Optimal Shoulder Stabilization in Massive Rotator Cuff Tear: Physically Depressing the Humeral Head is More Crucial than Concavity Compression Restoration (A Biomechanical Cadaveric Study)