Knee Pain and Injuries

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About Knee Pain

Knee pain is a very common complaint among people of all ages. Knee pain can range from mild to severe and may be accompanied by other symptoms, depending on the cause of the pain and other factors. Causes of knee pain can include anything from knee injuries, such as torn cartilage or strains, to medical conditions, such as arthritis or infection.


Knee pain symptoms vary from person to person, and the severity and location mostly depends on what is causing your pain.Symptoms that often accompany knee pain may include one or more of the following:

  • Stiffness
  • Inflammation
  • Weakness
  • Instability
  • A “popping” sensation
  • Limited range of motion
  • Crepitus, which is a grinding or crunching sensation
  • Redness or warmth over the joint

Why do I have knee pain?

  • Knee injury

    Knee injuries are among the most common causes of knee pain, resulting in a reported 10.4 million doctor’s visits in 2010. Common knee injuries include fractures, anterior cruciate ligament (ACL) injuries, meniscus tears, bursitis, and tendinitis.

  • Mechanical issues

    This can include degeneration of bone or cartilage, kneecap dislocation, iliotibial band syndrome (IT band syndrome), and more.

  • Medical conditions

    Medical conditions like osteoarthritis (also known as degenerative arthritis), rheumatoid arthritis, pseudogout, Osgood-Schlatter disease, gout, Baker’s cyst, bone cancer or bone metastases, bone infections, or Patellofemoral pain syndrome may all result in knee pain.


There are several factors that can increase a person’s risk of knee pain, including:

  • Being overweight

    Carrying excess weight increases the load on your knee joints, which can result in knee pain symptoms and an increased risk of knee injuries and osteoarthritis. Just 10 pounds places the equivalent of approximately 40 pounds of pressure on the knees.

  • Inactivity

    A lack of physical activity can result in decreased strength and flexibility in leg, back and abdominal muscles. Weak or stiff muscles aren’t able to support the knees properly.

  • Previous knee injury

    Those with previous knee injuries have a heightened risk of future knee injuries and knee pain.

  • Participating in certain activities

    Sports and other activities that involve repeated jumping, running, and other motions that cause excessive pounding on the knees increase the risk of knee injuries and accelerate degeneration of the joints.

  • Certain medical conditions

    Arthritis and other conditions affecting the joints and increase the likelihood of knee pain.


Finding the cause of knee pain generally begins with your medical history and a physical examination. Your doctor will ask you to describe your symptoms and ask if you’ve had any knee injuries that might be responsible for your pain. During the physical examination, your doctor will check your knee for visible signs of injury or infection, such as swelling, warmth, redness, and bruising. Your doctor may manipulate the leg to check for any restrictions in knee movements.

Diagnostic imaging tests may be recommended. These can include:

  • X-rays

    Often the first imaging test ordered; X-rays can show fractures and signs of degeneration in the joints.

  • Magnetic resonance imaging (MRI)

    This type of scan offers the most detailed images of the knee’s ligaments, cartilage, muscles and tendons, as well as the bone.

  • Computed tomography (CT)

    A series of X-rays create cross-sectional images of the bones and soft tissues, enabling a doctor to have greater visibility into the affected area.

Additional testing may be required if your doctor suspects that an infection or other medical condition is responsible for your knee pain. Other tests may include:

  • Blood tests

    Samples of your blood may be used to check for infection or mineral imbalances linked to pseudogout. Blood tests can also check for elevated levels of uric acid associated with gout.

  • Arthrocentesis

    A small amount of joint fluid is removed from inside the knee joint to check for the presence of crystals.


There are several options available for managing knee pain and symptoms of knee injuries and conditions. The treatment(s) recommended will depend on the specific cause of your symptoms.

AROmotion is a cutting-edge solution for pain caused by joint injuries and degenerative disorders. Our unique, minimally invasive treatment procedures are needle-based, meaning that there is no incision and no surgical recovery period. AROmotion preserves your natural knee joint, promotes natural healing, and restores your mobility faster than other treatments!

Other options for treating knee pain include:

  • Rest

    In some cases, resting the knee and avoiding activities that aggravate the knee for a while can relieve knee pains.

  • Weight loss

    This minimizes the load placed on your knee and other joints, which can relieve pain and help to lessen future damage on the joints. If you are overweight, losing just a few pounds can result in significant improvement of pain.

  • Pain medication

    Nonsteroidal anti-inflammatories (NSAIDs) and other pain relievers can reduce pain and inflammation.

  • Physical therapy

    Specific exercises can help improve flexibility and strength, as well as improve your range of motion.

  • Cortisone steroid injections

    A combination of cortisone and a numbing agent is injected directly into the knee for quick relief of pain and inflammation.

  • Hyaluronic acid injections

    These injections use a fluid similar to the thick fluid found in our joints that provide lubrication so the joint can move better.

  • Radiofrequency ablation

    Also known as denervation, this is a method of temporarily turning off or blocking the nerves from sending pain signals while other therapies have time to take effect.

  • PRP injections

    PRP, or platelet-rich plasma therapy, injects proteins called growth factors, which help support healing in injured areas.

  • Stem cell injections

    Physician directed stem cell therapy uses very powerful young cells to stimulate the patient’s own native repair mechanisms to regenerate new cartilage.

  • Surgery

    There are different types of surgical procedures to treat severe osteoarthritis in the knee: knee osteotomy (which realigns the bones in the knee), joint replacement or minimally invasive arthroscopic surgery. The last surgery is performed through a small incision using a thin, flexible camera. The type of surgery you have will depend on the extent of your damage and other factors, such as age and overall state of health.

Unless damage to the knee is severe, surgery will be a last resort. However, minimally invasive surgery is preferable to traditional open surgery. If knee pain is preventing you from moving freely, contact the skilled team at Advanced Regenerative Orthopedics to find out how we can help you get back to a pain-free life!