{"id":2161,"date":"2026-02-27T14:59:27","date_gmt":"2026-02-27T14:59:27","guid":{"rendered":"https:\/\/www.kneehospitals.com\/blog\/meniscus-definition-uses-and-clinical-overview\/"},"modified":"2026-02-27T14:59:27","modified_gmt":"2026-02-27T14:59:27","slug":"meniscus-definition-uses-and-clinical-overview","status":"publish","type":"post","link":"https:\/\/www.kneehospitals.com\/blog\/meniscus-definition-uses-and-clinical-overview\/","title":{"rendered":"Meniscus: Definition, Uses, and Clinical Overview"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">Meniscus Introduction (What it is)<\/h2>\n\n\n\n<p>Meniscus is a crescent-shaped piece of fibrocartilage inside the knee joint.<br\/>\nIt sits between the femur (thigh bone) and tibia (shin bone).<br\/>\nIt helps the knee bear load and move smoothly during walking, running, and squatting.<br\/>\nThe term is most commonly used in orthopedics, sports medicine, and knee imaging reports.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Why Meniscus used (Purpose \/ benefits)<\/h2>\n\n\n\n<p>In clinical knee care, Meniscus is discussed because it is central to how the knee handles force and maintains smooth motion. The knee is a weight-bearing joint with high contact pressures, especially during twisting, pivoting, stairs, and deep flexion. Without the Meniscus functioning well, forces can be concentrated on a smaller area of joint cartilage, which may contribute to pain, swelling, mechanical symptoms (like catching), and reduced activity tolerance.<\/p>\n\n\n\n<p>Broadly, the Meniscus is relevant for several \u201cproblems it helps solve\u201d in a general sense:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Load distribution:<\/strong> It increases the contact area between the femur and tibia, helping spread forces across the joint surface.<\/li>\n<li><strong>Shock absorption:<\/strong> Its fibrocartilage composition helps dampen impact forces during activity.<\/li>\n<li><strong>Joint stability:<\/strong> It contributes to knee stability, especially when combined with the ligaments (notably the ACL) and surrounding muscles.<\/li>\n<li><strong>Joint lubrication and cartilage protection:<\/strong> It supports smooth motion by helping with joint congruency and fluid distribution.<\/li>\n<li><strong>Proprioception (joint position sense):<\/strong> Nerve endings in and around the Meniscus contribute to sensing movement and position, which is part of coordinated knee function.<\/li>\n<\/ul>\n\n\n\n<p>Because of these roles, clinicians pay close attention to meniscal injury patterns and the best-fitting management approach for the person\u2019s symptoms, tear type, and overall knee condition. The goal is typically to preserve or restore function while addressing pain and mechanical limitations, recognizing that outcomes vary by clinician and case.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Indications (When orthopedic clinicians use it)<\/h2>\n\n\n\n<p>Orthopedic clinicians commonly evaluate the Meniscus in scenarios such as:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Knee pain after a <strong>twisting<\/strong> injury or pivot during sports or daily activity  <\/li>\n<li><strong>Swelling<\/strong> that appears after activity or following a specific incident  <\/li>\n<li><strong>Mechanical symptoms<\/strong> (catching, locking sensation, painful clicking)  <\/li>\n<li>Suspected <strong>meniscal tear<\/strong> on physical exam (based on symptom pattern and exam maneuvers)  <\/li>\n<li>Knee symptoms with known or suspected <strong>ACL injury<\/strong>, where meniscal injury may coexist  <\/li>\n<li>Ongoing symptoms after a trial of <strong>activity modification and rehabilitation<\/strong>, when further evaluation is needed  <\/li>\n<li>Assessment of knee pain in the context of <strong>degenerative changes<\/strong> (wear-and-tear patterns)  <\/li>\n<li>Preoperative planning when surgery is being considered for a meniscal problem or related knee issue<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Contraindications \/ when it\u2019s NOT ideal<\/h2>\n\n\n\n<p>Because Meniscus is a structure rather than a single treatment, \u201cnot ideal\u201d situations typically refer to when certain meniscus-focused interventions (such as repair, partial meniscectomy, or transplant) may be less suitable or when alternative approaches may be prioritized. Common examples include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Minimal symptoms<\/strong> where observation and rehabilitation are reasonable first steps  <\/li>\n<li>Pain that appears to be driven mainly by <strong>advanced osteoarthritis<\/strong>, where meniscus-directed surgery may be less helpful (varies by clinician and case)  <\/li>\n<li>Tear patterns with <strong>poor healing potential<\/strong> for repair (often influenced by location, tissue quality, and chronicity)  <\/li>\n<li><strong>Complex degenerative tears<\/strong> in older tissue where repair durability may be limited (varies by clinician and case)  <\/li>\n<li>Significant medical issues that increase risk with anesthesia or surgery, where nonoperative strategies may be preferred  <\/li>\n<li>Active knee <strong>infection<\/strong> or uncontrolled inflammatory flare, where surgery is generally deferred  <\/li>\n<li>When symptoms are better explained by another diagnosis (for example, referred pain, hip pathology, or ligament instability) and the Meniscus finding is incidental<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">How it works (Mechanism \/ physiology)<\/h2>\n\n\n\n<p>The Meniscus works primarily through biomechanics rather than a \u201cmechanism of action\u201d like a medication. Each knee usually has two menisci:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Medial Meniscus:<\/strong> on the inner (medial) side of the knee  <\/li>\n<li><strong>Lateral Meniscus:<\/strong> on the outer (lateral) side<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">High-level biomechanical principle<\/h3>\n\n\n\n<p>The Meniscus increases the contact area between the femoral condyles and the tibial plateau. By improving joint congruency (how well the surfaces fit), it helps reduce peak contact stress on articular cartilage. During weight-bearing, the Meniscus deforms slightly and helps transmit load circumferentially through \u201choop stresses,\u201d which is one reason meniscal root integrity can be clinically important.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Relevant anatomy and surrounding structures<\/h3>\n\n\n\n<p>A functional Meniscus depends on and interacts with several knee structures:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Femur and tibia:<\/strong> the Meniscus sits between these bones and helps distribute compressive forces.  <\/li>\n<li><strong>Articular cartilage:<\/strong> smooth cartilage covers the bone ends; meniscal dysfunction can increase stress on cartilage.  <\/li>\n<li><strong>Ligaments:<\/strong> the ACL, PCL, MCL, and LCL contribute to stability; instability can increase meniscal strain.  <\/li>\n<li><strong>Meniscal attachments (roots and capsule):<\/strong> attachments help the Meniscus stay positioned under load.  <\/li>\n<li><strong>Patella (kneecap):<\/strong> primarily part of the patellofemoral joint, but patellar mechanics influence overall knee motion and loading patterns.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Vascular zones and healing potential<\/h3>\n\n\n\n<p>A clinically important concept is blood supply. The outer rim of the Meniscus (near the capsule) is relatively better supplied than the inner portion. In general terms:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Tears closer to the outer rim may have <strong>more healing potential<\/strong>.  <\/li>\n<li>Tears more central may have <strong>less healing potential<\/strong>.<\/li>\n<\/ul>\n\n\n\n<p>Exact healing likelihood varies by clinician and case, tear pattern, tissue quality, and associated injuries.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Onset, duration, and reversibility<\/h3>\n\n\n\n<p>Meniscal injury symptoms can be immediate after trauma or develop gradually. The Meniscus itself does not \u201cwear in\u201d like a temporary device; rather, symptoms can fluctuate based on inflammation, mechanical irritation, activity load, and stability of the tear. Some tears may become less symptomatic over time, while others remain persistently limiting\u2014this varies by individual condition and knee environment.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Meniscus Procedure overview (How it\u2019s applied)<\/h2>\n\n\n\n<p>Meniscus is not a single procedure. In clinical practice, the term usually frames an evaluation (diagnosis) and then a management pathway that may include conservative care, injections for associated inflammation, or surgery (such as repair or partial removal). A general workflow often looks like this:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\n<p><strong>Evaluation \/ exam<\/strong><br\/>\n   A clinician reviews symptom history (onset, twisting injury, swelling pattern, locking\/catching) and performs a knee exam to assess joint line tenderness, range of motion, effusion (fluid), stability, and provocative maneuvers.<\/p>\n<\/li>\n<li>\n<p><strong>Imaging \/ diagnostics<\/strong><br\/>\n   &#8211; <strong>X-rays<\/strong> are commonly used to assess bone alignment and arthritis changes.<br\/>\n   &#8211; <strong>MRI<\/strong> is often used when a meniscal tear is suspected and imaging will meaningfully guide management.<br\/>\n   Imaging findings are interpreted alongside symptoms because meniscal changes can appear on MRI even when they are not the main pain source.<\/p>\n<\/li>\n<li>\n<p><strong>Preparation (shared decision-making)<\/strong><br\/>\n   Clinicians typically discuss likely pain generators, tear characteristics, knee alignment\/arthritis status, activity demands, and options. The best-fit plan varies by clinician and case.<\/p>\n<\/li>\n<li>\n<p><strong>Intervention \/ testing (management pathway)<\/strong><br\/>\n   Options may include:<\/p>\n<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Conservative care:<\/strong> education, activity modification, and structured rehabilitation focusing on strength and movement mechanics  <\/li>\n<li><strong>Medication (symptom management):<\/strong> used in general to reduce pain and inflammation when appropriate (not specific to the Meniscus itself)  <\/li>\n<li><strong>Injections:<\/strong> sometimes considered for associated inflammation or arthritis features, depending on the case  <\/li>\n<li><strong>Surgery:<\/strong> arthroscopic assessment with possible <strong>meniscal repair<\/strong> or <strong>partial meniscectomy<\/strong> when indicated; in select situations, <strong>meniscus allograft transplantation<\/strong> may be considered<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\" start=\"5\">\n<li>\n<p><strong>Immediate checks<\/strong><br\/>\n   If surgery occurs, immediate postoperative assessment focuses on pain control, swelling, neurovascular status, and early mobility planning.<\/p>\n<\/li>\n<li>\n<p><strong>Follow-up \/ rehab<\/strong><br\/>\n   Follow-up typically addresses wound healing (if surgical), motion recovery, gradual strengthening, and staged return to activity. Weight-bearing status and bracing use\u2014if any\u2014depend on the intervention and surgeon preferences.<\/p>\n<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\">Types \/ variations<\/h2>\n\n\n\n<p>Meniscus-related conditions and interventions are often described using several classification \u201cfamilies.\u201d<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">By location<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Medial Meniscus<\/strong> vs <strong>lateral Meniscus<\/strong> tears  <\/li>\n<li><strong>Anterior horn, body, posterior horn<\/strong> regions  <\/li>\n<li><strong>Root tears<\/strong> (near the attachment points) vs non-root tears<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">By vascular zone (healing environment)<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Peripheral (outer) zone<\/strong> with relatively better blood supply  <\/li>\n<li><strong>Central (inner) zone<\/strong> with relatively limited blood supply<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">By tear pattern (common clinical descriptors)<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Longitudinal<\/strong> tears (including \u201cbucket-handle\u201d variants)  <\/li>\n<li><strong>Radial<\/strong> tears  <\/li>\n<li><strong>Horizontal<\/strong> cleavage tears  <\/li>\n<li><strong>Complex<\/strong> tears (combined patterns)  <\/li>\n<li><strong>Flap<\/strong> tears<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">By cause or tissue quality<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Traumatic tears:<\/strong> often linked to a specific pivot or twist, sometimes in younger athletes  <\/li>\n<li><strong>Degenerative tears:<\/strong> more gradual, often occurring with age-related tissue changes and\/or osteoarthritis features<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">By management approach<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Nonoperative (conservative) management:<\/strong> rehabilitation-centered care and symptom management  <\/li>\n<li><strong>Arthroscopic surgery:<\/strong> the most common surgical approach for meniscal work  <\/li>\n<li><strong>Meniscal repair:<\/strong> suturing\/repairing the tissue when the tear pattern and tissue quality are suitable  <\/li>\n<li><strong>Partial meniscectomy:<\/strong> trimming unstable fragments when repair is not suitable  <\/li>\n<li><strong>Meniscus transplantation:<\/strong> selected cases with substantial meniscal deficiency and persistent symptoms; candidacy varies by clinician and case<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Pros and cons<\/h2>\n\n\n\n<p>Pros:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Helps explain a wide range of knee symptoms using a clear anatomic framework  <\/li>\n<li>Supports targeted evaluation (history, exam, and imaging interpreted together)  <\/li>\n<li>Treatment pathways can be individualized (conservative care, repair, or partial removal)  <\/li>\n<li>Meniscal preservation (when feasible) aligns with long-term joint function goals  <\/li>\n<li>Arthroscopy, when used, is typically less invasive than open knee surgery  <\/li>\n<li>Rehabilitation strategies can improve strength and movement control even without surgery<\/li>\n<\/ul>\n\n\n\n<p>Cons:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Meniscal findings on MRI may not always match the true pain source, complicating decisions  <\/li>\n<li>Some tear patterns have limited healing potential, reducing repair success in certain cases  <\/li>\n<li>Surgery can relieve mechanical symptoms for selected problems, but results vary by clinician and case  <\/li>\n<li>Partial meniscectomy removes tissue and may alter knee load distribution over time  <\/li>\n<li>Recovery timelines differ substantially between trimming vs repair vs transplantation  <\/li>\n<li>Coexisting issues (arthritis, ligament instability, malalignment) can limit improvement if not addressed<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Aftercare &amp; longevity<\/h2>\n\n\n\n<p>Aftercare depends on the underlying meniscal condition and whether management is nonoperative or surgical. There is no single \u201clongevity\u201d timeline that applies to all meniscal problems; outcomes are influenced by knee biology and mechanics over time.<\/p>\n\n\n\n<p>Key factors that commonly affect outcomes include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Tear type and location:<\/strong> peripheral, repairable tears may behave differently than central or complex tears.  <\/li>\n<li><strong>Degree of cartilage wear:<\/strong> meniscal symptoms in a knee with significant arthritis can be harder to separate from cartilage-driven pain.  <\/li>\n<li><strong>Knee stability:<\/strong> ACL deficiency or other ligament problems can increase stress on the Meniscus and influence healing and recurrence risk.  <\/li>\n<li><strong>Rehabilitation participation:<\/strong> restoring quadriceps\/hip strength, balance, and movement mechanics often affects function and symptom control.  <\/li>\n<li><strong>Weight-bearing and activity demands:<\/strong> higher-impact or pivot-heavy activities generally place more stress on the meniscus-cartilage unit.  <\/li>\n<li><strong>Bracing and assistive devices:<\/strong> sometimes used to manage symptoms or protect repairs, depending on clinician preference and case details.  <\/li>\n<li><strong>Follow-up and reassessment:<\/strong> monitoring progress helps clinicians adjust rehabilitation, address stiffness\/swelling, and refine return-to-activity timing.<\/li>\n<\/ul>\n\n\n\n<p>For surgical care, durability is often discussed in terms of whether the repair heals, whether symptoms recur, and how the joint tolerates load over time. These outcomes vary by clinician and case, tissue quality, and associated knee conditions.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Alternatives \/ comparisons<\/h2>\n\n\n\n<p>Because Meniscus issues range from mild and self-limited to structurally significant, alternatives are best compared as \u201cmanagement pathways\u201d rather than one-to-one substitutes.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\n<p><strong>Observation \/ monitoring<\/strong><br\/>\n  Appropriate when symptoms are mild, improving, or not clearly mechanical. It avoids procedural risk but may be slower to clarify the diagnosis if symptoms persist.<\/p>\n<\/li>\n<li>\n<p><strong>Physical therapy \/ structured rehabilitation<\/strong><br\/>\n  Commonly used as an initial approach for many meniscal symptom patterns, especially when there is no true locking. It aims to improve strength, control, and tolerance for activity, and it can be used with or without imaging-confirmed tears.<\/p>\n<\/li>\n<li>\n<p><strong>Medication for symptom relief<\/strong><br\/>\n  Nonoperative symptom management may include anti-inflammatory or analgesic strategies when appropriate. These do not \u201cheal\u201d a tear but may reduce pain and swelling enough to participate in rehab.<\/p>\n<\/li>\n<li>\n<p><strong>Injections<\/strong><br\/>\n  Injections are sometimes considered when inflammation or coexisting arthritis features drive symptoms. The type of injection and expected effect vary by clinician and case, and injections are not a direct structural repair of Meniscus tissue.<\/p>\n<\/li>\n<li>\n<p><strong>Bracing<\/strong><br\/>\n  Bracing may help some people feel more stable or reduce discomfort with certain activities. It does not restore torn tissue but can be part of a broader plan.<\/p>\n<\/li>\n<li>\n<p><strong>Surgery (arthroscopy)<\/strong><br\/>\n  Considered more often when symptoms are persistent, mechanical, or clearly linked to an unstable tear pattern. Arthroscopy can address certain tear types via repair or trimming, but it also introduces procedural risk and requires postoperative recovery.<\/p>\n<\/li>\n<\/ul>\n\n\n\n<p>A common clinical theme is matching the approach to the primary pain generator (meniscal instability vs inflammation vs arthritis vs ligament instability) rather than treating MRI findings alone.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Meniscus Common questions (FAQ)<\/h2>\n\n\n\n<p><strong>Q: Where is the Meniscus, and how many are in the knee?<\/strong><br\/>\nEach knee typically has two: a medial Meniscus on the inner side and a lateral Meniscus on the outer side. They sit between the femur and tibia. They are not the same as articular cartilage, though they work closely with it.<\/p>\n\n\n\n<p><strong>Q: What does a meniscal tear usually feel like?<\/strong><br\/>\nSymptoms often include joint line pain, swelling after activity, and discomfort with twisting or squatting. Some people report clicking, catching, or a sense that the knee is not moving smoothly. Symptoms and severity vary widely by tear type and individual factors.<\/p>\n\n\n\n<p><strong>Q: Does a Meniscus tear always require surgery?<\/strong><br\/>\nNo. Many cases are managed with nonoperative care, especially when symptoms are improving and there is no true mechanical locking. When surgery is considered, the decision typically depends on the tear pattern, tissue quality, associated injuries, and how symptoms affect function\u2014varies by clinician and case.<\/p>\n\n\n\n<p><strong>Q: How is a Meniscus problem diagnosed\u2014do I always need an MRI?<\/strong><br\/>\nDiagnosis often starts with history and physical examination. X-rays are commonly used to look for arthritis and alignment issues, while MRI is often used when results will change management. MRI findings are interpreted in context because some meniscal changes can be present without being the main pain source.<\/p>\n\n\n\n<p><strong>Q: What\u2019s the difference between meniscal repair and meniscectomy?<\/strong><br\/>\nMeniscal repair aims to preserve and heal the tissue by stabilizing the tear. Partial meniscectomy trims unstable or torn fragments when repair is not suitable. Recovery expectations and long-term considerations can differ between these approaches.<\/p>\n\n\n\n<p><strong>Q: Is anesthesia used for meniscus surgery?<\/strong><br\/>\nWhen arthroscopic surgery is performed, anesthesia is typically used. The exact type (general, regional, or combined approaches) depends on patient factors, anesthesiology assessment, and facility practices. Details vary by clinician and case.<\/p>\n\n\n\n<p><strong>Q: How long do results last after meniscus treatment?<\/strong><br\/>\nThere is no single duration that applies to everyone. Symptom improvement depends on tear type, cartilage status, knee stability, and rehabilitation participation. For surgical cases, durability relates to healing (for repairs), remaining meniscal tissue (for partial meniscectomy), and the overall joint environment.<\/p>\n\n\n\n<p><strong>Q: When can someone drive or return to work after a meniscus procedure?<\/strong><br\/>\nTiming depends on which knee is involved, pain control, swelling, range of motion, weight-bearing status, job demands, and whether a repair or trimming was done. Clinicians often distinguish between sedentary work and physically demanding work. Specific timing varies by clinician and case.<\/p>\n\n\n\n<p><strong>Q: How much does meniscus imaging or surgery cost?<\/strong><br\/>\nCost varies widely by region, insurance coverage, facility, surgeon, imaging type, and whether additional procedures are needed. Because of this variability, cost is usually discussed with the clinic and insurance provider as part of scheduling and preauthorization.<\/p>\n\n\n\n<p><strong>Q: Is Meniscus surgery \u201csafe\u201d?<\/strong><br\/>\nKnee arthroscopy is commonly performed, but no procedure is risk-free. Potential issues include infection, blood clots, stiffness, persistent pain, and incomplete symptom relief, among others. Individual risk depends on health status and the specific procedure\u2014varies by clinician and case.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Meniscus is a crescent-shaped piece of fibrocartilage inside the knee joint. It sits between the femur (thigh bone) and tibia (shin bone). It helps the knee bear load and move smoothly during walking, running, and squatting. The term is most commonly used in orthopedics, sports medicine, and knee imaging reports.<\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[],"tags":[],"class_list":["post-2161","post","type-post","status-publish","format-standard","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Meniscus: Definition, Uses, and Clinical Overview - Knee Hospitals<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.kneehospitals.com\/blog\/meniscus-definition-uses-and-clinical-overview\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Meniscus: Definition, Uses, and Clinical Overview - Knee Hospitals\" \/>\n<meta property=\"og:description\" content=\"Meniscus is a crescent-shaped piece of fibrocartilage inside the knee joint. It sits between the femur (thigh bone) and tibia (shin bone). It helps the knee bear load and move smoothly during walking, running, and squatting. 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