According to WebMD, cracking noises from the knees are caused by uneven spots in the cartilage between bones, ligaments tightening as the joint moves or the joint lining moving over bones. In any of these cases, knee cracking is no cause for concern unless it is associated with pain and swelling, according to WebMD.Know More
According to Live Science, the most common cause for creaking and cracking knees is tendons and ligaments popping into place as the knees is bent and extended. In addition to just bending, tendons and ligaments may make noises when simply walking as well, according to Everyday Mysteries.
If popping and cracking sounds are accompanied by pain and swelling, arthritis may be the cause, according to Live Science. Caused by the loss of smooth cartilage and the roughness of the joint surfaces rubbing together, arthritis causes the knees joints to become stiff and sore, according to Everyday Mysteries. Arthritis typically affects middle-aged people, according to WebMD.
Another possible cause for popping and cracking of knee joints is a meniscus tear, according to WebMD. The meniscus, which cushions the knee and acts as a shock absorber, is typically torn in a traumatic injury among younger people, but as the body ages it can be more easily torn during everyday activity, according to WebMD.Learn more about Bones
The cartilage covering the bones grow uneven when a person grows up, creating a situation where the bones cross each other when a person stands or walks thus causing the knees to make noise, as stated by WebMD. Most people experience grinding noise from their knees but this condition is not an indication of a health issue. Individuals experiencing this condition do not have to be much concerned especially when the condition is not accompanied by pain and swelling.Full Answer >
Bones are connected to one another and held together by ligaments. About.com Sports Medicine says that ligaments are strong bands of tissue that hold bones in complete alignment, preventing the skeleton from being turned or twisted into unnatural, potentially damaging angles.Full Answer >
An endoskeleton is the skeletal structure possessed by all human beings and by many animals; it is composed of a support scaffold made of mineralized tissue forming either bone or cartilage. All vertebrates possess these support structures.Full Answer >
The nasal septum is comprised of cartilage in the front and bone toward the back of the nose, states the American Rhinologic Society. The bony part of the septum is made up of the perpendicular plate of the ethmoid bone, vomer bone and maxilla bone.Full Answer >