The Viscosupplementation Treatment for Arthritis segmentation by application delineates five primary anatomical sites: Knee, Hip, Shoulder, Ankle, and Other. The knee segment dominates the market, accounting for roughly 55 % of total sales, driven by its high prevalence of osteoarthritis, extensive clinical evidence, and established reimbursement pathways. The hip segment follows with an estimated 20 % share, reflecting growing adoption in orthopedic practices despite procedural complexity. Shoulder applications contribute about 12 % as clinicians expand indications beyond the knee, leveraging comparable efficacy data. Ankle usage, at 8 %, remains limited by lower disease incidence and fewer approved products. The residual 5 % classified as “Other” aggregates emerging sites such as the wrist and temporomandibular joint, where niche formulations are being piloted. Collectively, these application categories shape the overall market size by allocating revenue streams according to disease burden, procedural adoption rates, and payer acceptance across distinct joint sites.