Effect of upper limb isometric training (ULIT) on hamstring strength in early postoperative anterior cruciate ligament reconstruction patients: Study protocol for a randomized controlled trial - Efri Noor Muhamad Hendri; Mohamad Shariff A. Hamid; Badrul Akmal Hisham Md. Yusoff; Norlelawati Mohamad; Ashril Yusof (PLoS ONE, 2025)