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Well, when they 'pop' or 'crack', it is usually the result of forcing joint fluid (synovial fluid) out of the bursa (sac that surrounds joint) and it makes a popping sound.

Creaking, especially if accompanied with some level of discomfort, can be from wearing down of the cartilage, that protects the bone part of the joint. Once this padding goes away, it is just bone against bone and it creaks.

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What is the noise your bones make when you crack them...is it air pockets?

Actually it is air being released into the joints.


Connects muscle to bone?

no ligaments join bone to bone , also tendons join muscle to bone.


What tissues make up a joint?

Joints may be synovial (with a cavity) or fibrous. Synovial joints are filled with synovial fluid. Fibrous joints lack this. Fibrous joints are found in between the vertebrae. Cartilage in is both joints. This can be hylaine or fibrocartilage. Both regenerate. The synovial fluid is rather slippery and allows easy movement in those joints. If this joint is suddenly and rapidly pulled, the fluid doesn't fill quickly and a "snapping" sound is heard.


What causes your bones to make a popping sound?

Popping of the chest is caused by the cavitation of the ribbones connection to the sternum. The sternum is the large bone section at the front center of the ribcage structure. Along either side of the sternum the coastal cartilage (plural) connect the rib and the sternum. Where these connections meet the sternum are joints similar to those of the rest of the body. At these points (as in your fingers) your bones can pop or undergo cavitation (the rupturing of separated of gas bubbles mixed into fluids, resulting in the popping sound).


What causes a joint to move?

Joints don't have the ability to move. Joints are where two or more bones meet. One end of muscle attaches to the bone and the other end of the muscle stretches cross the joint and attaches to the bone on the other side of the joint. Muscles work in pairs, so that when one muscle contracts (the only movement that muscle can make), the other of the pair relaxes which causes movement at the joint when the bone is pulled by the muscle.

Related Questions

Does milk make your bones stronger?

yes because it helps your body with the joints and bone


How do you cure a buffalo penis bone?

First, it's not a bone. Second, you can either stretch it out and let it dry or stretch it over a piece of wood if you want to make it into a cane. Either way just dry it then laquer it.


What is your bone i n the shoulder?

Your shoulder blade, collar bone, and arm bone (clavicle, clavicle, and humerus) make up the shoulder and it's joints. The bone on the very outside is the acromion process of the scapula.


Why does your fingers make a cracking sound when you bend them a certain way?

Because gas builds up inside your joints. The popping is the bubble bursting in the fluid around the joint.


What is the noise your bones make when you crack them...is it air pockets?

Actually it is air being released into the joints.


Why does your 95 f150 make a loud clanging sound when you shift from park to reverse?

Replace U-joints.


Are compact and spong bone found in your joints?

No only in the bones. A joint is the location where two or more bones meet and make contact.


Why do my joints crack after working out?

When you work out, the movement and pressure on your joints can cause gas bubbles to form in the synovial fluid, which can make a cracking sound when they are released. This is a normal and harmless occurrence.


What happens to your vocal cords when you speak?

a high pitched sound


What would make a grinding sound underneath the car when the car is running?

check the U joints in the drive shaft


Connects muscle to bone?

no ligaments join bone to bone , also tendons join muscle to bone.


How do you make a bullroarer?

you get a foot of string and a rubberband. you tie a knot on the rubberband. get a plastic spoon. you stretch the rubberband to the rop to the end. you spin it to make sound.