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Knee Anatomy

The knee is a complex joint made up of different structures - bones, tendons, ligaments, and muscles. They all work together to maintain the knee’s normal function and provide stability to the knee during movement.

Having a well-functioning healthy knee is essential for our mobility and ability to participate in various activities. Understanding the anatomy of the knee enhances your ability to discuss and choose the right treatment procedure for knee problems with your doctor.

Conditions

Knee Pain

Knee Pain

Knee pain is a common condition affecting individuals of various age groups. It not only affects movement but also impacts your quality of life. An injury or disease of the knee joint or any structure surrounding the knee can result in knee pain. A precise diagnosis of the underlying cause is important to develop an appropriate treatment plan.

Knee Arthritis

Knee Arthritis

The joint surface is covered by a smooth articular surface that allows pain-free movement in the joint. Arthritis is a general term covering numerous conditions where the joint surface or cartilage wears out. This surface can wear out for several reasons; often the definite cause is not known. Arthritis often affects the knee joint.

Knee Sprain

Knee Sprain

Knee sprain is a common injury that occurs from overstretching of the ligaments that support the knee joint. A knee sprain occurs when the knee ligaments are twisted or turned beyond its normal range, causing the ligaments to tear.

Meniscal Tears

Meniscal Tears

There are two wedge-shaped cartilage pieces present between the thighbone and the shinbone each called a meniscus. The menisci stabilize the knee joint and act as shock absorbers.

Knee Injury

Knee Injury

Trauma to the knee can injure one or more tissues of the knee joint, such as ligaments, tendons, cartilage, bones, and muscles. These injuries can result from a fall, a forceful twisting motion, or a high-impact event like a motor vehicle accident.

Procedures

Total Knee Replacement

Total Knee Replacement

Total knee replacement, also called total knee arthroplasty, is a surgical procedure in which the worn out or damaged surfaces of the knee joint are removed and replaced with an artificial prosthesis.

Unicompartmental/Partial Knee Replacement

Unicompartmental/Partial Knee Replacement

Unicompartmental knee replacement is a minimally invasive surgery in which only the damaged compartment of the knee is replaced with an implant. It is also called a partial knee replacement.

Computer Navigation for Knee Replacement

Computer Navigation for Knee Replacement

Computer navigation provides your surgeon with real-time 3-D images of your mapped knee and the surgical instruments during surgery. The data for the images is provided by infrared sensors fixed to the bones of the knee and surgical instruments.

Robotic-Assisted Knee Replacement

Robotic-Assisted Knee Replacement

Robotic-assisted knee replacement surgery is an alternative to the conventional knee replacement procedure. It is performed using robotic-arm technology that allows your surgeon to precisely perform the surgery through a smaller incision as compared to traditional surgery.

Patient Specific Knee Replacement

Patient Specific Knee Replacement

Patient Specific Knee Replacement is a newer technology in total knee replacement surgery. It is an advanced procedure using an individualized patient-specific knee implant for replacement of all three components of the knee. The difference with patient specific knee replacement from other knee replacement surgeries is the use of an MRI scan prior to the surgery that provides a clear view of the shape and structure of the different components of the joint.

Same Day Total Knee Replacement

Same Day Total Knee Replacement

Total knee replacement is the surgical treatment for knee arthritis, where the damaged knee is removed and replaced with an artificial knee implant. Traditionally, the procedure required a postoperative hospital stay of several days, but with recent advances such as improved perioperative anesthesia, minimally invasive techniques, and initiation of rehabilitation protocols soon after surgery, you may be allowed to go home on the same day as the surgery.

Revision Knee Replacement

Revision Knee Replacement

Revision knee replacement surgery involves replacing a part or all your previous knee prosthesis with a new prosthesis. Although total knee replacement surgery is successful, sometimes the procedure can fail due to various reasons and may require a second revision surgery.

Education Videos

BuchalterOrthopedicsat Somers Orthopaedic Surgery & Sports Medicine Group

  • Carmel Hamlet, NY
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  • American Academy of Orthopaedic Surgeons
  • American Association of Hip and Knee Surgeons
  • NYU Langone Health
  • Hospital for Special Surgery
  • American College of Surgeons
  • Orthopaedic & Specialty Surgery Center
  • Somers Orthopaedic Surgery & Sports Medicine Group