Anterior Cruciate Ligament Injury

This prospective randomized clinical trial aims to compare quadriceps tendon and peroneus longus tendon autografts in anterior cruciate ligament reconstruction. Patients with anterior cruciate ligament injury undergoing primary reconstruction surgery will be randomly assigned to one of the two graft groups. Clinical examination findings, return-to-sport outcomes, ankle muscle strength, ankle-related functional scores, and gait analysis parameters will be evaluated at 6 months and 12 months postoperatively. The study aims to investigate both knee-related functional outcomes and donor site morbidity associated with graft harvesting techniques.

Background Prehabilitation prior to anterior cruciate ligament reconstruction (ACLR) has been shown to improve preoperative knee function, enhance quadriceps strength, and optimize postoperative recovery. However, access to supervised prehabilitation programmes remains limited. Digital health interventions may improve accessibility, adherence, and continuity of care. Objective To determine whether a structured digital prehabilitation programme is more effective than usual care in improving quadriceps strength and functional outcomes after ACL reconstruction. Methods/design This study is a single-centre, parallel-group, assessor-blinded randomised controlled trial. Adult participants scheduled for primary ACL reconstruction will be randomly allocated to either a usual care group or a digital prehabilitation group. The intervention group will complete a 4-week structured digital prehabilitation programme prior to surgery. Outcomes will be assessed preoperatively and up to 12 weeks postoperatively. Expected Results The digital prehabilitation programme is expected to improve preoperative knee status and enhance postoperative quadriceps strength and functional recovery compared to usual care.

To evaluate the effect of virtual reality mindfulness meditation on patients after ACLR, the investigators will determine the effect of virtual reality mindfulness meditation to 1) decrease self-reported injury-related fear, 2) improve poor jump-landing movement patterns, and 3) improve brain activity in women 1 to 5 years post-ACLR when compared to a virtual reality sham group.

Anterior cruciate ligament (ACL) injuries are common in female soccer and frequently occur during change-of-direction (COD) movements without contact. Biomechanical deficits during these movements are considered important risk factors. This study aims to evaluate the effects of a targeted injury-prevention program on biomechanical movement quality and performance during change-of-direction tasks in female soccer players. Participants will perform a 90° cutting task during which biomechanical movement quality will be assessed using the Cutting Movement Assessment Score (CMAS), while performance will be evaluated using cutting time measured with photoelectric timing gates. Participants will also perform the 505 Agility Test to assess additional change-of-direction performance. In addition, subjective perceptions of functional confidence and performance will be collected using Likert-scale questionnaires. The study will assess whether a structured prevention program integrated into regular training can improve biomechanical movement patterns and change-of-direction performance.

The purpose of this randomized study is to compare donor site morbidity and clinical and functional outcomes of both surgery techniques (bone-patellar tendon-bone (BPTB) graft versus bone-patellar tendon without patellar bone plug (PT) graft) for anterior cruciate ligament reconstruction (ACLR) in athletes. The main questions it aims to answer are: * Does PT graft reduce donor site morbidity compared to the standard BPTB graft? * Does PT technique provide clinical and functional results comparable to the BPTB technique? Researchers will compare the incidence of complications and clinical and functional outcomes between the BPTB and PT grafts groups. Patients will: * Undergo ACLR surgical intervention using one of the two assigned techniques (BPTB or PT) * Follow a two-year assessment program, including visits at three, eight, 12 and 24 months after surgery.

The primary objective of this clinical trial is to verify the superiority of a digital diagnosis and treatment system for the conservative management of knee sports injuries-based on wearable sensors, machine vision, and large language models-over conventional off-site rehabilitation in terms of functional outcomes. The secondary objectives include assessing safety and adverse events, compliance and feasibility, algorithm evaluation accuracy and usability, and generating clinical evidence to support the registration of a Class II medical device. Participants will undergo a six-month intervention comprising knee muscle strengthening exercises, lower limb balance and stability training, and stretching exercises. Follow-up assessments will be conducted every four weeks, recording IKDC and Lysholm subjective knee function scores, VAS pain scores, SF-36 quality of life scores, knee range of motion, and MRI findings.

The goal of this clinical trial is to compare the outcome of 2 different screws for Anterior cruciate ligament reconstruction. The main question is if the human allogeneic cortical bone screw reduces tunnel widening in comparison to conventional treatment with a biocomposite screw. Additional the re-rupture rate will be evaluated and knee scores will be recorded before surgery and after surgery. Participants will have MRI before and after surgery, 3, 6, 12, and 24 months after surgery and Computertomography after surgery, 3, 6 and 24 months after surgery. Questionnaires (Knee-scores) will be recorded before surgery, 6, 12, 24 months after surgery. the investigators hope that with the human cortical bone screw the tunnel widening is reduced and the re-rupture rate is low

This study looks at two different types of tendon (tissue) used in knee surgery to repair a torn anterior cruciate ligament (ACL), which is a common injury in active people. The two types are taken from different muscles in the thigh: one from the front (quadriceps) and one from the back (semitendinosus). We will use information already collected in a national health registry to see how patients recover after surgery. The study will compare knee function, activity level, and how often patients need another operation.