Anterior Cruciate Ligament (ACL) Injury

The goal of this clinical trial is to learn if using a phone app for exercises is as effective as working with a physical therapist before anterior cruciate ligament knee surgery. It will also check if exercising before surgery helps patients recover better compared to those who do not follow a specific exercise plan. The main questions it aims to answer are: * Does the phone app help patients improve their knee strength and movement as well as seeing a physical therapist? * Do patients who exercise before surgery have a better recovery after surgery than those who do not? Researchers will compare the phone app group to a physical therapist group and a group with no specific exercise plan to see which method works best. Participants will: * Follow an exercise plan for 4 weeks before their surgery (either using the app, with a therapist, or no specific plan). * Visit the clinic for check-ups before starting the exercises, right before the surgery, and 6 months after the surgery. * Complete simple tests and surveys to measure their knee health.

This clinical trial aims to investigate the correlation between psychological readiness, knee function, and isokinetic performance after anterior cruciate ligament reconstruction (ACLR) using the Peroneus Longus tendon graft (PLT). ACL injuries are common among athletes, and the standard treatment is ACL reconstruction surgery (ACLR). However, the success of the surgery does not solely depend on physical recovery but also on the psychological readiness of athletes to return to their sport. This study focuses on athletes who have undergone ACLR using the Peroneus Longus tendon (PLT). The primary objective is to compare psychological readiness, self-reported knee function (IKDC score), isokinetic performance (quadriceps and hamstring strength), and muscle strength ratios between athletes who meet return-to-sport (RTS) criteria and those who do not. Psychological readiness will be assessed using the ACL-Return to Sport after Injury (ACL-RSI) scale, while knee function will be evaluated using the IKDC subjective score. Isokinetic testing will assess quadriceps and hamstring strength at various angular velocities. This study aims to provide a more comprehensive understanding of the factors influencing an athlete's ability to return to sport after ACLR, combining both physical and psychological aspects. The results will help optimize rehabilitation strategies by offering a multidimensional approach, considering both physical and psychological factors, to improve recovery protocols for ACL-injured athletes.