Non-invasive Evaluation of Shoulder Musculature Following Reverse Shoulder Arthroplasty.


About this study

Aims, purpose, or objectives

Aim 1: To quantify passive stiffness modifications due to RSA in deltoid muscle.

Aim 2: To interpret these modifications in the light of postoperative clinical outcomes.

Participation eligibility

Participant eligibility includes age, gender, type and stage of disease, and previous treatments or health concerns. Guidelines differ from study to study, and identify who can or cannot participate. There is no guarantee that every individual who qualifies and wants to participate in a trial will be enrolled. Contact the study team to discuss study eligibility and potential participation.

Subject population: 

  • adults over 50 years of age, undergoing RSA.

Inclusion Criteria:

  • first-line RSA for irreparable rotator cuff tear and/or glenohumeral osteoarthritis

Exclusion Criteria: 

  • reconstruction RSA,
  • RSA for proximal humerus fracture,
  • postoperative complications.



Participating Mayo Clinic locations

Study statuses change often. Please contact the study team for the most up-to-date information regarding possible participation.

Mayo Clinic Location Status

Rochester, Minn.

Mayo Clinic principal investigator

Kristin Zhao, Ph.D.

Closed for enrollment

More information


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