Probably not. My knee pops all the time. I must admit it is a little annoying, but it's never caused a problem. I asked my OS about it and he said it was probably scar tissue. I'm not sure what to think about that explanation, but like I said, it's never given me a real problem.

Generally the cracks and pops that occur with bending down into a squat are normal. The noises that occur going up stairs are usually normal also. However, if the cracks are painful, a sports physician should assess the joint. See similar questions...

Nothing really. The mixer is putting out a +4 dBu (1.23 Vrms) signal which is 12 dB stronger than the normal home stereo level of - 10 dBV (0.316 Vrms). Since the mixer's signal is so much louder, the residual "noise" (the signal you don't want to hear) is more audible. Try turning down the level controls on your amplifier (or receiver.) See similar questions...

This is usually caused by one of two things. The first is the username or the password being typed in uppercase letters. In this case, retype both the username and the password in all lowercase. The second cause of this problem is that the account has been suspended. If you suspect this could be the case, contact the Helpdesk and we can correct the problem for you. See similar questions...

In knee replacement surgery, the parts of the bones that rub together are resurfaced with metal and plastic implants. Using special, precision instruments, your surgeon will remove the damaged surfaces of the bones and fit replacement surfaces into place. See similar questions...

It is a metal and plastic covering for raw, arthritic bone ends. It replaces cartilage that has worn away over the years. Knee replacement can eliminate pain and allow you to move easily with less discomfort. For those that have become bow-legged or knock-kneed over the years, it can also straighten your legs to a more natural position. See similar questions...

This is usually caused by an object caught in the pump impeller in one of the vanes and is causing the pump to turn off-balance. If left unattended, serious pump bearing failure can occur and the dredge must be shut down ASAP. This can also occur with an object caught in the discharge elbow of the pump, and one will also feel vibration. Cavitation as discussed earlier can also cause vibrations. See similar questions...

Be sure to go through all the steps above to see if there's something you could change. Know that when you're growing long hair and not used to the way it looks in a brush or comb, a few hairs may suddenly look like a lot. Also know that some scalps will compensate for the extra weight of your hair by thinning out, and that some thinning is natural with aging. If none of this applies, it may be a medical condition. See similar questions...

Your ISP has a restriction on the amount of mail it will hold for you and is rejecting it. You must pick your mail up more often. WebTV automatically quotes any message you REPLY to. When it does this it also inserts the previous message's headers which contains the list address. This causes a "Mail loop" which means the message will be posted to the list over and over. You must always start a new message rather than reply. See similar questions...

and new components are implanted. The technical aspects of the surgery are more complex than the original total knee replacement. However, the preparation for surgery and hospital experience tend to be very similar to the primary knee replacement. See similar questions...

Fortunately, there's nothing wrong with the sound files. It's a common problem that occurs when you play an mp3 file in a web browser before the file has finished loading into the browser. If you find it annoying, you can either wait for the file to load completely or download the sound file to your hard disk and play it using some other mp3 player program (such as iTunes). See similar questions...

Accurately identifying the cause of spinal pain or other discomfort almost always requires a thorough consultation and examination. Individuals should not assume their pain stems from the same problem, for example, their neighbor had, and thus what has helped their neighbor will help them. Just as every individual is unique and different from the next, so too are the health conditions they suffer and the treatments they require. See similar questions...

Men and women equally cause infertility. 40% of the time the infertility is the result of a male factor and 40% of the time it is the result of a female factor. Because infertility is such a common disease, about 20% of the time, there are both male and female factors to address. It is imperative that you undergo a complete basic infertility evaluation before speculating on the causes and treatments. This information is not a substitute for a physician consultation or infertility evaluation. See similar questions...

The period in activating a campaign ranges between 2 and 72 hours, depending on the acquired package. Know that if you acquires a package of traffic and your account PayPal is not a verified PayPal Account, your credits will be not loaded up we have an internal verification. This will be between 30 and 45 days. The not verified accounts take a delay in your activation to avoid frauds. See similar questions...