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Knee Injury

Kai Sports Medicine

Sports Medicine Specialist & Internal Medicine located in Little Silver, NJ

Each year, around 10 million Americans seek medical treatment for knee injuries. The knee is one of the most commonly injured parts of the body and a leading cause of chronic pain. Zachary Perlman, DO, at Kai Sports Medicine knows how important it is to treat a knee injury as soon as possible to prevent long-term damage. He provides individualized treatment plans from his practice in Little Silver, New Jersey, to get his patients back on their feet in no time. Call the practice today or request an appointment online.

Knee Injury Q & A

What are the symptoms of knee injury?

Knee injury symptoms vary in severity depending on where in the knee the injury occurred and how. People with knee injury typically complain of:

  • An inability to fully straighten the leg
  • Pain when moving
  • Swelling
  • Stiffness
  • A feeling of instability
  • Crunching or popping noises
  • Redness

Walking around on a knee injury can make it worse. If you experience any of these symptoms, schedule an appointment with Dr. Perlman.

What causes knee injury?

A knee injury is any occurrence that affects the tendons, ligaments, bursae, cartilage, or bones that form the knee joint or surround it. Because of the way the knee joint moves and the amount of use it receives, the knee is one of the most frequently injured body parts. Common knee injuries include:

Torn meniscus

The meniscus is the cartilage between the shin (tibia) and thigh (femur) bones, which acts as a shock absorber, cushioning the two. If you twist your knee sharply, the meniscus can tear. This is a common injury for snowboarders.


The knee comprises three bones: the knee cap (patella), thigh, and shin bones. Any of these can shatter or crack under impact, such as a fall or vehicle collision. 

Anterior cruciate ligament (ACL) injury

The ACL is a ligament connecting the shinbone to the thigh bone. Sudden changes of direction, like when playing basketball, can cause it to tear.

Knee bursitis

The bursae are small fluid-filled sacs that sit along the outside of the knee joint, allowing tendons and ligaments to glide over it. Knee bursitis is inflammation in the bursae.


Arthritis, or joint inflammation, affects the knee in several ways, depending on the type of arthritis you have. Osteoarthritis causes wear and tear to the cartilage, rheumatoid arthritis is an autoimmune disease, septic arthritis causes infection in the knee, and pseudogout causes calcium crystals to build in the knee joint.

Dr. Perlman has years of experience in treating knee injuries using minimally invasive treatment methods.

What is the treatment for a knee injury?

Dr. Perlman assesses your knee injury and prescribes a treatment program tailored to your needs. It may include:

  • Knee injections, such as corticosteroids,  
  • Pain-relief medication
  • Physical therapy
  • Lifestyle changes

Ignoring a knee injury only makes it worse. Call Kai Sports Medicine today or request an appointment through this website.

Please call us to book your appointment today.