Arthroscopic Partial Meniscectomy Versus Exercise Therapy for Meniscal Injuries in Older Patients, a 5 Year Follow up.

Inclusion Criteria: * 45 to 70 years old MRI confirmed, non-obstructive and symptomatic meniscal tear Exclusion Criteria: * Knee locking or trauma leading to acute surgery; ▸ Associated injuries on the index knee consisting of: * Symptomatic partial or total tear of the anterior cruciate ligament (ACL), * Posterior cruciate ligament tear, * OA of the knee, grade 4 on the Kellgren and Lawrence Grading Scale, * An injury to the lateral or posterolateral ligament complex with significant laxity; * Previous knee surgery on the index knee (with the exception of diagnostic arthroscopy); * Tumour that is suspected of malignancy, detectable on MRI; * Obesity with a body mass index \>35; * American Society of Anesthesiologists (ASA) class 4 or 5 patients; * General disease that effects physical function or systemic medication/abuse of steroids; * Any other medical condition or treatment interfering with the completion or assessment of the trial, for example, contraindications to MRI or surgery; * Drugs or alcohol abuse; * Patients unable to fill out the Dutch questionnaires.