Ben Ashworth is a dual-qualified clinician with over 20 years’ experience as a physiotherapist and strength and conditioning specialist, focusing on shoulder performance across elite sport. He holds a Master of Science in Strength and Conditioning and is UKSCA accredited. Early in his career, he worked in professional rugby (London Wasps, 2002–2005) before moving to roles including first team physiotherapist at Arsenal FC and with the English Institute of Sport. Over time, he developed a proprietary shoulder testing and monitoring framework—the “ASH Test”—initially in Premiership Rugby and later applied in MLB, NFL, Olympic swimming, tennis, and upper limb disciplines globally. Ben consults with professional teams (for example, in the English Premier League and U.S. baseball) and individual athletes to address shoulder function, injury risk, and performance optimisation. He is currently undertaking a PhD in shoulder performance monitoring at Liverpool Hope University, focusing on fatigue metrics, neuromuscular profiling, and return-to-play markers. Ashworth’s work merges rigorous assessment and biomechanical insight into clinically meaningful interventions. His perspective on upper-limb load management, objective diagnostics, and progressive rehabilitation offers valuable input for sports medicine, physiotherapy, and performance-oriented rehabilitation contexts.