“…Fibrotic ligament diseases (FLDs) are commonly seen in many countries all around the world and include adhesive capsulitis, carpal tunnel syndrome, Dupuytren's disease, cubital tunnel syndrome, arthrofibrosis, and scleroderma. There are similar pathological changes in the abovementioned areas: the excessive accumulation of fibrotic tissue (Bournia et al, 2009; Kang treatment could eliminate the scarring but did not prevent the risk of recurrence (Neviaser and Hannafin, 2010;Padua et al, 2016;Ruettermann et al, 2021;Zhao et al, 2022a). Recently, multiple studies had reported that relaxin had the potential to inhibit fibrosis formation and reduce the risk of developing fibrosis by regulate collagen production and degradation (Bournia et al, 2009;Kang et al, 2014;Kang et al, 2017;Blessing et al, 2019;Ko et al, 2019).…”