Meniscus Surgery vs Physical Therapy: What Does the Research Say?
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By Dr. Jeffrey Peng, MD · Published March 6, 2025 · 7 min read
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If you have been diagnosed with a degenerative meniscus tear, you have likely heard conflicting advice about treatment. Some physicians recommend arthroscopic surgery to remove the damaged tissue, while others advocate for physical therapy and structured exercise. The disagreement often depends on whether you see an orthopedic surgeon or a nonoperative sports medicine specialist. So which approach does the evidence actually support?
The answer, based on multiple randomized controlled trials, strongly favors exercise-based physical therapy over surgery for the majority of patients with degenerative meniscus tears. Below is a breakdown of what the clinical research shows and why strengthening the muscles around your knee may be the most effective treatment strategy.
What Is the Meniscus and Why Does It Matter?
The menisci are C-shaped cartilage pads that sit between the femur and tibia in each knee. They serve as shock absorbers, distributing load evenly across the joint during activities like walking, running, and jumping. When a meniscus becomes torn — whether through acute injury or gradual degeneration — it was historically believed to cause mechanical symptoms such as locking, clicking, and persistent pain.
This reasoning led to the widespread adoption of arthroscopic partial meniscectomy, a surgical procedure in which the torn portion of the meniscus is removed and the remaining tissue is smoothed. It remains one of the highest-volume orthopedic procedures in the United States, with over 500,000 surgeries performed annually. It ranks as the third most common elective orthopedic surgery, behind total knee replacement and total hip replacement.
Does Arthroscopic Partial Meniscectomy Actually Work?
The American Academy of Orthopaedic Surgeons (AAOS) published 2021 guidelines stating that arthroscopic partial meniscectomy could be used for meniscal tears in patients with mild to moderate osteoarthritis who have failed nonsurgical treatment. However, multiple high-quality randomized controlled trials have challenged this recommendation.
Two landmark trials — the METEOR trial (Meniscal Tear in Osteoarthritis Research) and the FIDELITY trial (Finnish Degenerative Meniscal Lesion Study) — both compared arthroscopic partial meniscectomy to nonoperative treatment or sham surgery. Both studies arrived at the same conclusion: surgery was not superior to conservative management for patient-reported outcomes including pain and knee function.
Can Meniscus Surgery Lead to Worse Arthritis?
The five-year follow-up of the FIDELITY trial revealed a particularly concerning finding: arthroscopic partial meniscectomy was associated with an increased risk of developing worse radiographic knee arthritis compared to placebo surgery, with no corresponding improvement in symptoms (Sihvonen et al., 2020).
This makes intuitive sense. The menisci act as cushions between the bones in the knee. Even when damaged, they continue to provide some degree of shock absorption and load distribution. Once that tissue is surgically removed, the cartilage surfaces of the femur and tibia bear more direct contact. Over time, this accelerated wear and tear leads to worsening arthritis.
Is Physical Therapy Better Than Meniscus Surgery?
The ESCAPE trial (Exercise versus Arthroscopic Partial Meniscectomy) published five-year follow-up data from 321 patients aged 45 to 70 with degenerative meniscal tears. Patients were randomized to either surgery or 16 sessions of exercise-based physical therapy (Noorduyn et al., 2022).
After five years, exercise-based physical therapy remained noninferior to arthroscopic partial meniscectomy for patient-reported knee function. Additionally, the rates of radiographic osteoarthritis progression were comparable between both groups. The authors concluded that physical therapy should be the preferred treatment over surgery for degenerative meniscal tears.
When combined with the FIDELITY and METEOR trial results, the evidence is clear: across multiple randomized controlled trials with up to five years of follow-up, cutting out the meniscus offers no advantage over conservative management — and may actually accelerate joint degeneration.
Why Does Exercise Therapy Work So Well?
The effectiveness of exercise therapy comes down to one key principle: strengthening the muscles of the lower extremity, particularly the quadriceps. A study by Gong et al. (2022) published in BMC Musculoskeletal Disorders used data from the Osteoarthritis Initiative to examine the relationship between quadriceps strength and knee joint structural abnormalities.
The researchers measured baseline quadriceps strength and evaluated knee structures at one-year follow-up using MRI. They found that higher quadriceps strength was significantly associated with less cartilage damage, fewer bone marrow lesions, and less effusion-synovitis — meaning less overall structural deterioration and less inflammation in the joint (Gong et al., 2022).
The authors concluded that stronger quadriceps likely have a protective role on the structures of the knee joint. This is the foundational reason why structured exercise and physical therapy programs are so important for anyone with a degenerative meniscus tear or knee osteoarthritis. In my practice, I consistently see patients improve their pain and function through dedicated lower-extremity strengthening programs — often avoiding surgery entirely.
Take the Next Step
If you have been told you need meniscus surgery, consider seeking a second opinion from a nonoperative sports medicine physician. A structured exercise and physical therapy program may be all you need to get back to the activities you love. If you would like to explore your options, schedule a consultation with Dr. Peng to develop a personalized treatment plan.
References
1. Sihvonen R, Paavola M, Malmivaara A, et al. Arthroscopic partial meniscectomy for a degenerative meniscus tear: a 5 year follow-up of the placebo-surgery controlled FIDELITY trial. Br J Sports Med. 2020;54(22):1332-1339. doi:10.1136/bjsports-2020-102813
2. Noorduyn JCA, van de Graaf VA, Willigenburg NW, et al. Effect of physical therapy vs arthroscopic partial meniscectomy in people with degenerative meniscal tears: five-year follow-up of the ESCAPE randomized clinical trial. JAMA Netw Open. 2022;5(7):e2220394. doi:10.1001/jamanetworkopen.2022.20394
3. Gong Z, Li J, He Z, et al. Quadriceps strength is negatively associated with knee joint structural abnormalities — data from Osteoarthritis Initiative. BMC Musculoskelet Disord. 2022;23(1):784. doi:10.1186/s12891-022-05635-9
Medical Disclaimer: This content is for educational purposes only and does not substitute for the medical advice of a physician. Always consult your healthcare provider before beginning any new treatment program. The information presented reflects the opinion of Dr. Jeffrey Peng and does not represent the views of his employers or affiliated hospital systems.
