The knee is made up of four bones. The femur or thighbone is the bone connecting the hip to the knee. The tibia or shinbone connects the knee to the ankle. The patella (kneecap) is the small bone in front of the knee and rides on the knee joint as the knee bends. The fibula is a shorter and thinner bone running parallel to the tibia on its outside. The joint acts like a hinge but with some rotation.
Normal Anatomy of the Knee Joint
The knee is made up of four bones. The femur or thighbone is the bone connecting the hip to the knee. The tibia or shinbone connects the knee to the ankle.
The anterior cruciate ligament, or ACL, is one of the major ligaments of the knee that is located in the middle of the knee and runs from the femur (thigh bone) to the tibia (shin bone).
Meniscus tear is the commonest knee injury in athletes, especially those involved in contact sports. A suddenly bend or twist in your knee cause the meniscus to tear.
Ligaments are the fibrous tissue bands connecting the bones in the joint and stabilizing the joint. The knee has four major ligaments – the anterior cruciate ligament, posterior cruciate ligament, lateral collateral ligament, and medial collateral ligament.
The knee can be divided into three compartments: patellofemoral, medial and lateral compartment. The patellofemoral compartment is the compartment in the front of the knee between the knee cap and thigh bone.
Articular or hyaline cartilage is the tissue lining the surface of the two bones in the knee joint. Cartilage helps the bones move smoothly against each other and can withstand the weight of the body during activities such as running and jumping.
Arthroscopy of the Knee Joint
Knee Arthroscopy is a common surgical procedure performed using an arthroscope, a viewing instrument, to look into the knee joint to diagnose or treat a knee problem. It is a relatively safe procedure and a majority of the patient’s discharge from the hospital on the same day of surgery.
Anterior Cruciate Ligament (ACL) Reconstruction
The anterior cruciate ligament is one of the major stabilizing ligaments in the knee. It is a strong rope like structure located in the center of the knee running from the femur to the tibia. When this ligament tears unfortunately, it does not heal and often leads to the feeling of instability in the knee.
Meniscus tear is the commonest knee injury in athletes, especially those involved in contact sports. A suddenly bend or twist in your knee cause the meniscus to tear. This is a traumatic meniscus tear.
Advanced Cartilage Restoration
Articular Cartilage is the white tissue lining the end of bones where these bones connect to form joints. Cartilage acts as cushioning material and helps in smooth gliding of bones during movement. An injury to the joint may damage this cartilage which cannot repair on its own.
Revision ACL reconstruction
The anterior cruciate ligament, or ACL, is one of the major ligaments of the knee that is located in the middle of the knee and runs from the femur (thigh bone) to the tibia (shin bone). When this ligament tears, it does not heal by itself and often leads to the feeling of instability in the knee.
ACL Reconstruction Hamstring Tendon
Anterior cruciate ligament (ACL) reconstruction hamstring method is a surgical procedure that replaces the injured ACL with a hamstring tendon. Anterior cruciate ligament is one of the four major ligaments of the knee that connects the femur (thigh bone) to the tibia (shin bone) and helps stabilize your knee joint.
ACL Reconstruction with a Bone-Patellar Tendon-Bone (BPTB) Graft
The anterior cruciate ligament (ACL) is a ligament that provides stability to the knee joint. It is commonly injured during high-intensity sports.
Medial patello-femoral ligament (MPFL) reconstruction is the most commonly used Patellofemoral stabilization procedure. Medial patellofemoral ligament reconstruction is a surgical procedure indicated in patients with more severe patellar instability.
Click on the topics below to find out more from the orthopedic connection website of American Academy of Orthopaedic Surgeons.
- ACL Injury: Should it be fixed?
- Activities After a Knee Replacement
- Additional Resources on the Knee
- Adolescent Anterior Knee Pain
- Arthritis of the Knee
- Care of the Aging Knee: Baby Boomers May Need Lifestyle Changes
- Cemented and Cementless Knee Replacement
- Deep Vein Thrombosis
- Frequently Asked Questions about Osteoarthritis of the Knee
- Goosefoot (Pes Anserine) Bursitis of the Knee
- Knee Arthroscopy
- Knee Arthroscopy Exercise Guide
- Knee Implants
- Knee Replacement Exercise Guide
- Kneecap (Prepatellar) Bursitis
- Meniscal Tear
- Meniscal Transplants
- Minimally Invasive Total Knee Replacement
- Nonsurgical Treatment Options for Osteoarthritis of the Knee
- Orthopaedists Research Female Knee Problems
- Osgood-Schlatter Disease (Knee Pain)
- Osteonecrosis of the Knee
- Posterior Cruciate Ligament (PCL) Tear
- Rotating Platform/Mobile-bearing Knees
- Runner’s Knee (Patellofemoral Pain)
- Surgical Treatment of Osteoarthritis of the Knee
- The Knee
- Total Knee Replacement
- Unstable Kneecap
- Viscosupplementation Treatment for Arthritis