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Knee Pain

About Knee Pain

Knee pain is a common condition that refers to any discomfort, ache, or stiffness felt in or around the knee joint.

The knee joint is a complex hinge joint that connects the thigh bone (femur) to the shin bone (tibia) and is supported by other bones, cartilage, ligaments, tendons, and muscles, all of which can become inflamed or injured and cause pain.

Knee pain can be caused by a variety of factors such as injuries, overuse, age-related wear and tear, and underlying medical conditions.

Knee pain can significantly impact a person's mobility, ability to perform daily activities, and overall quality of life


Symptoms of knee pain

  • Pain or discomfort in or around the knee joint

  • Swelling or stiffness in the knee

  • Difficulty bending or straightening the knee

  • A popping or crunching sound when moving the knee

  • Feeling unstable or like the knee may give out when standing or walking

Common Causes of Knee Pain

Knee Arthritis

Knee arthritis, also known as osteoarthritis of the knee, is a degenerative joint disease that affects the knee joint. It is a common condition that is characterized by the gradual wearing down of the cartilage that cushions the bones in the knee joint.

As the cartilage wears down, the bones may start to rub against each other, leading to pain, swelling, stiffness, and reduced mobility in the knee. Over time, the knee joint may become misaligned or deformed, making it increasingly difficult to move and perform everyday activities.

Knee Bursitis

Knee bursitis is a condition that occurs when one or more of the small fluid-filled sacs, called bursae, in the knee joint become inflamed. Bursae are located throughout the body, including in the knee joint, and act as cushions between bones, tendons, and muscles, helping to reduce friction and provide cushioning.

When the bursae in the knee become inflamed, they can cause pain, swelling, and stiffness in the affected area. Common symptoms of knee bursitis include tenderness, redness, and warmth in the affected area, as well as a limited range of motion in the knee joint.

Knee ligament injury

A knee ligament injury is damage to one or more of the four major ligaments that connect the bones of the knee joint together. 

Knee ligament injuries often occur during sports or other physical activities that involve sudden changes in direction or impact to the knee joint.


Symptoms of a knee ligament injury may include pain, swelling, bruising, instability, and difficulty bearing weight on the affected leg.

Patellar Tendonitis

Tendinitis causes irritation and inflammation of one or more tendons — the thick, fibrous tissues that attach muscles to bones.

This inflammation can happen when there's an injury to the patellar tendon, which runs from the kneecap (patella) to the shinbone and allows you to kick, run and jump.


Runners, skiers, cyclists, and those involved in jumping sports and activities may develop patellar tendinitis.

Get your FREE Sonic Relief Knee Pain Treatment Guide

Find out how to use Sonic Relief to treat a variety of painful knee conditions.

How does your knee pain affect you? Choose all that apply
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Feel better with Sonic Relief.

  • Are you tired of dealing with knee pain?

  • Are you finished with feeling defeated by stairs, getting out of chairs?

  • Is constant pain getting you down? 

If the answer is yes, then let us help you alleviate your pain. Our unique treatment option is safe, drug-free, and affordable.


Githa G, Abbotsford, BC

I just received your product and am amazed what it is doing to my very sore arthritic knee. After several treatments I am able to bend my knee more and can do some exercises, which will help me very much. Thank you for this product, I am very happy with it.

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