Single-bundle patellar tendon versus non-anatomical double-bundle hamstrings ACL reconstruction: A prospective randomized study at 8-year minimum follow-up

ACL reconstruction; Arthroscopy; Knee; Non-anatomical double-bundle hamstrings; Patellar tendon; Adult; Anterior Cruciate Ligament; Arthroscopy; Chi-Square Distribution; Female; Follow-Up Studies; Humans; Joint Instability; Knee Injuries; Male; Pain Measurement; Patellar Ligament; Prospective Studies; Range of Motion, Articular; Reconstructive Surgical Procedures; Recovery of Function; Reference Values; Risk Assessment; Statistics, Nonparametric; Tendons; Time Factors; Transplantation, Autologous; Treatment Outcome; Young Adult; Orthopedics and Sports Medicine; Surgery