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Dec 2, 2021 · December 2, 2021. % buffered. 00:00. Knee injuries can range from mildly uncomfortable to devastating. If you’ve hurt your knee, it’s important to assess the damage so you can decide whether you should see a doctor. A key sign to look for is swelling.
- Fractures
- Anterior Cruciate Ligament Injuries
- Dislocation
- Meniscal Tears
- Bursitis
- Tendonitis
- Tendon Tears
- Collateral Ligament Injuries
- Iliotibial Band Syndrome
- Posterior Cruciate Ligament Injuries
Any of the bones in or around the knee can be fractured. The most commonly broken bone in the joint is the patella or kneecap. High impact trauma, such as a fall or car accident, causes most knee fractures. People with underlying osteoporosismay fracture their knees just by stepping the wrong way or tripping.
The anterior cruciate ligament (ACL) runs diagonally down the front of the knee, providing critical stability to the joint. Injuries to the ACL can be serious and require surgery. ACL injuries are graded on a scale from one to three. A grade 1 sprain is a mild injury to the ACL, while a grade 3 refers to a complete tear. Athletes who participate in...
Dislocating the knee happens when the bones of the knee are out of their proper placement and alignment. In a knee dislocation, one or more of the bones may slip out of place. Structural abnormalities or traumas, including car accidents, falls, and contact sports, can cause a knee dislocation.
When people refer to torn cartilage in the knee, they are probably talking about a meniscal tear. The menisci are two rubbery wedges of cartilage between the thighbone and shinbone. These pieces of cartilage can tear suddenly during sporting activities. They may also tear slowly due to aging. When the meniscus tears due to the natural aging process...
Bursae are small fluid-filled sacs that cushion the knee joints and allow the tendons and ligaments to slide easily over the joint. These sacs can swell and become inflamed with overuse or repeated pressure from kneeling. This is known as bursitis. Most cases of bursitis are not serious and can be treated by self-care. However, some instances may r...
Tendonitis or inflammationin the knee is known as patellar tendinitis. This is an injury to the tendon that connects the kneecap to the shinbone. The patellar tendon works with the front of the thigh to extend the knee so a person can run, jump, and perform other physical activities. Often referred to as jumper’s knee, tendonitis is common among at...
Tendons are soft tissues that connect the muscles to the bones. In the knee, a common tendon to be injured is the patellar. It is not uncommon for an athlete or middle-aged person involved in physical activities to tear or overstretch the tendons. Direct impact from a fall or hit may also cause a tear in the tendon.
Collateral ligaments connect the thighbone to the shinbone. Injury to these ligaments is a common problem for athletes, particularly those involved in contact sports. Collateral ligament tears often occur due to a direct impact or collision with another person or object.
Iliotibial band syndrome is common among long-distance runners. It is caused when the iliotibial band, which is located on the outside of the knee, rubs against the outside of the knee joint. Typically, the pain starts off as a minor irritation. It can gradually build to the point where a runner must stop running for a period to let the iliotibial ...
The posterior cruciate ligament is located at the back of the knee. It is one of the many ligaments that connect the thighbone to the shinbone. This ligament keeps the shinbone from moving too far backward. An injury to the posterior cruciate requires powerful force while the knee is in a bent position. This level of force typically happens when so...
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Jan 6, 2022 · A torn meniscus is one of the most common knee injuries. Any activity that causes you to forcefully twist or rotate your knee, especially when putting your full weight on it, can lead to a torn meniscus. Each of your knees has two C-shaped pieces of cartilage that act like a cushion between your shinbone and your thighbone.
- Bones. Three bones meet to form your knee joint: the femur (thighbone), the tibia (shinbone), and the patella (kneecap). The patella sits in front of the joint to provide some protection.
- Articular cartilage. The ends of the femur and tibia, and the back of the patella are covered with articular cartilage. This slippery substance helps your knee bones glide smoothly across each other as you bend or straighten your leg.
- Meniscus. Two wedge-shaped pieces of meniscal cartilage act as shock absorbers between your femur and tibia. Different from articular cartilage, the meniscus is tough and rubbery to help cushion and stabilize the joint.
- Ligaments. Bones are connected to other bones by ligaments. The four main ligaments in your knee act like strong ropes to hold the bones together and keep your knee stable.
1. Knee Fracture. Your patella, or your knee cap, protects your knee joints from injuries or further damage. When you fall or collide with an object or a person, your kneecap makes first contact and shields the different parts within your knee joint. This makes the kneecap susceptible to fractures.
Make an appointment with your health care team if your knee pain happened after forceful impact or injury. Or if your knee joint is: Badly swollen. Red. Warm and tender. Very painful. Also, call your care team if you have a fever or other symptoms of sickness. You could have an underlying illness.
Jan 25, 2023 · Injuries. ACL injury Enlarge image. Torn meniscus Enlarge image. A knee injury can affect any of the ligaments, tendons or fluid-filled sacs (bursae) that surround your knee joint as well as the bones, cartilage and ligaments that form the joint itself. Some of the more common knee injuries include: ACL injury.
