Participants
shoulder pain
Study participants were conveniently recruited from the UCSF outpatient practice and scheduled and screened for PT appointments. An in-person evaluation was conducted to ensure that potential candidates met the eligibility criteria. Participants provided written informed consent electronically through Castor eConsent (Castor Research Inc). All study-related information (including data from assessments) were stored in Castor electronic data capturing (EDC) platform, which is Food and Drug Administration (FDA) Code of Federal Regulations 21 Part 11 compliant.The inclusion criteria were (1) patients between 18 and 80 years old; (2) intermittent or persistent tendon-related shoulder pain for at least 12 weeks, or at least 50% of the time in the past 6 months [