FFL Partners, a private equity firm focused on growth investments in middle market companies, completed the investment in US Orthopedic Partners, an orthopedic health services organization. The Thurston Group, a Chicago-based private equity firm with a focus on investing in healthcare companies, also invested in USOP. Financial terms were not disclosed. "We are excited to support the talented team of MSMOC with the formation of USOP, helping to empower growth-minded physician-owners who would like to focus on providing best-in-class musculoskeletal care while reducing back-office and administrative burdens. Our investment in USOP reflects FFL's proven experience in partnering with doctors of fast-growing healthcare service organizations who seek the resources and operational guidance we can provide to take their practices to the next level," Chris Harris, FFL Managing Partner.