Meniscus Tear

Also known as: Torn knee cartilage · Torn meniscus · Semilunar cartilage tear

Definition

A Meniscus Tear is a common orthopedic knee injury characterized by a rupture or tear in the meniscus, a C-shaped piece of tough, rubbery cartilage that acts as a shock absorber between the femur (thighbone) and tibia (shinbone). In the Philippines, meniscus tears are frequently diagnosed in orthopedic clinics, occurring as acute sports injuries (especially in basketball, football, and badminton) or as degenerative conditions in older adults. The injury causes pain, swelling, stiffness, and a feeling that the knee is catching, locking, or giving way. (Espina Medical)

Identities

Source Type	Identity
Wikipedia	Meniscus tear
Wikidata	Q1920703
DBpedia	Tear_of_meniscus
ProductOntology	N/A
Wiktionary	meniscus-tear
Library of Congress Subject Headings (LCSH)	Meniscus (Anatomy) — Wounds and injuries — Treatment — Philippines
MeSH	Tibial Meniscus Injuries
NCBI Taxonomy	N/A
AGROVOC	N/A
Google Scholar	meniscus tear knee injury rehabilitation surgery arthroscopy Philippines
ConceptNet	meniscus-tear
OpenCyc	N/A

Also Known As

Torn knee cartilage
Torn meniscus
Semilunar cartilage tear

Examples and Analogies

The Torn Washer Analogy: The meniscus is like a rubber washer placed between two heavy metal pipes (the femur and tibia). If you twist the pipes forcefully while they are pressing down, the washer can tear, causing friction and making it difficult for the pipes to slide smoothly.
Bucket-Handle Tear: A severe type of meniscus tear where a portion of the cartilage splits and flips into the center of the joint, physically blocking the knee from extending (locking).

Usage Scenarios

1. Sports Medicine Evaluation

A basketball player who felt a twisting pop in their knee during a game visits an orthopedist, who performs McMurray’s test and orders an MRI to check for a suspected meniscus tear. (Espina Medical)

2. Post-Arthroscopic Rehabilitation

A physical therapist designs a progressive strengthening and range-of-motion program for a patient recovering from an arthroscopic partial meniscectomy.

Strategies

Strengthen your quadriceps, hamstrings, and calf muscles to improve knee joint stability and reduce the mechanical load on the meniscus.
Avoid sudden, deep knee bends or pivoting movements on a planted foot, particularly when carrying heavy loads.
Use a functional knee brace during sports activities if you have a history of mild knee instability.

Security and Safety Measures

Do not ignore a locked knee (inability to straighten the leg); seek immediate orthopedic consultation, as this indicates a displaced tear that can damage the joint cartilage.
Avoid self-prescribing soft knee sleeves for severe injuries; obtain a professional clinical evaluation to rule out ligament tears (like the ACL).
Opt for conservative physical therapy first for degenerative, non-locking meniscus tears, as clinical trials show it can be as effective as surgery.

Historical Context

The surgical management of meniscus tears evolved significantly in the late 20th century. Historically, surgeons performed total meniscectomies (removing the entire meniscus), which led to premature osteoarthritis. The development of arthroscopic surgery allowed for partial meniscectomies or repairs, preserving as much cartilage as possible. In the Philippines, the prevalence of basketball-related injuries driven by the national passion for the sport has made meniscus tears a major focus of local orthopedic clinics. (Espina Medical)

Challenges and Controversies

Limited Blood Supply (Red-White Zone)

The outer third of the meniscus has a good blood supply (the red zone) and can heal on its own or be repaired, while the inner two-thirds (the white zone) lacks blood flow, meaning tears in this area cannot heal and must be trimmed.

Over-prescription of Arthroscopy

Controversy exists regarding the over-use of arthroscopic debridement for age-related, degenerative meniscus tears, with modern guidelines recommending physical therapy as the primary treatment for these cases.