Digital Physiotherapeutic Ankle-Specific Training System for Patients With Chronic Ankle Instability Following Modified Brostrom Surgery: Noninferiority Randomized Controlled Trial at a Tertiary Grade A Trauma Center in China

Xiang Geng   ^{1 *} , MD, PhD ;   Yilin Jin   ^{1, 2 *} , MD ;   Xu Wang   ¹ , MD ;   Xin Zhang   ³ , MD, DPT ;   Yiming Lyu   ⁴ , MD ;   Shengdi Lu   ^{5 *} , MD ;   Xin Ma   ^{1, 5 *} , MD, PhD

¹ Department of Orthopedic Surgery, Huashan Hospital, Fudan University, Shanghai, China

² School of Nursing, Fudan University, Shanghai, China

³ Rehabilitation Center, School of Medicine, Tongji University, Shanghai, China

⁴ Department of Orthopedics, Medmotion Clinic, Shanghai, China

⁵ Department of Orthopedics, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China

*these authors contributed equally