Clinical Research Directory

Inclusion Criteria: 1. Age 18-60 years at the time of enrollment. 2. Undergoing arthroscopic medial meniscus posterior root repair performed by a study investigator. 3. Willingness and ability to comply with postoperative rehabilitation protocols and study follow-up visits. 4. Willingness and ability to undergo postoperative MRI imaging as part of routine follow-up. 5. Ability to understand the study procedures and provide informed consent. 6. Ambulatory prior to surgery and expected to resume weightbearing as part of standard postoperative care. 7. Medically appropriate candidate for use of a medial unloader valgus knee brace, as determined by the treating surgeon. Exclusion Criteria: 1. Age less than 18 or greater than 60 years. 2. Inability or unwillingness to provide informed consent. 3. Prior surgery on the ipsilateral knee that would interfere with assessment of meniscal healing or extrusion. 4. Concomitant ligamentous injury requiring reconstruction at the time of meniscal root repair (e.g., anterior cruciate ligament (ACL) or Posterior Cruciate Ligament (PCL) reconstruction). 5. Advanced medial compartment osteoarthritis, defined as Kellgren-Lawrence grade 4. 6. Contraindication to MRI imaging (e.g., non-MRI compatible implants, severe claustrophobia). 7. Known allergy or intolerance to materials used in medial unloader valgus knee braces. 8. Neurologic, musculoskeletal, or medical conditions that would preclude safe brace use or interfere with gait mechanics. 9. Inability to comply with postoperative rehabilitation or study follow-up requirements, in the opinion of the investigator. 10. Pregnancy at the time of enrollment (not eligible for surgery).