Changes in Vertical Mobility of the First Tarsometatarsal Joint During Gait After Combined Hallux Valgus Surgery Incorporating Proximal First Metatarsal Osteotomy - Yasunari Ikuta; Tsubasa Tashiro; Noriaki Maeda; Satoshi Arima; Honoka Ishihara; Sakura Oda; Yuki Tamura; Saori Ishibashi; Satoru Sakurai; Dan Moriwaki; Tomoyuki Nakasa; Nobuo Adachi (Journal of Clinical Medicine, 2026)