RecruitingBehavioural interventionWeb-based Mind-body Program to Improve Resilience Among Risky Substance Users With Persistent Upper Extremity PainThe investigator aims to conduct a feasibility randomized controlled trial (RCT) (N=50) to test the feasibility, acceptability, and credibility of an asynchronous web-based mind-body intervention (Toolkit for Resilient Life beyond Pain and Substance Use; Web-TIRELESS) versus web-based minimally enhanced usual care (Web-MEUC) among adult patients with a painful non-traumatic upper-extremity condition(s) (PNUC) and commorbid risky substance use. Deliverables: \[1\] Adapt and refine open pilot protocol, patient recruitment, and other study materials. \[2\] Assess the feasibility, acceptability, and credibility of Web-TIRELESS and Web-MEUC in preparation for future research.