Contraction joints (sometimes called control joints) are used in unreinforced and lightly reinforced slabs-on-ground to minimize random cracking. By creating straight-line weakened-planes in concrete, ...

Many of us have noisy joints. Knees crack on the stairs, necks pop when we stretch, and knuckles seem to crack almost on demand. These sounds can be startling and are often blamed on aging, damage or ...

Occasionally cracking your knuckles or other joints is very common and usually not harmful. If it is accompanied by pain or swelling or follows an injury, it may be caused by an underlying condition.

It’s quite common to hear your knees crack when you stand up or your knuckles pop as you stretch your fingers. These sounds, often described as snapping, clicking, or popping, are medically known as ...

Some people habitually crack their joints, others can’t, and many are irritated by those who do. So what’s going on? Why do people do it, is it harmful, what makes the noises, and what would happen if ...

I’ve got my fair share of unconscious habits: running my hands through my hair, tapping my feet, pursing my lips when I’m concentrating—and, of course, cracking my knuckles. That last one is perhaps ...

How often have we been told not to crack our knuckles? The belief that cracking knuckles leads to arthritis is deeply embedded in popular culture. This notion has been perpetuated through generations, ...

Many of us have noisy joints. Knees crack on the stairs, necks pop when we stretch, and knuckles seem to crack almost on demand. These sounds can be startling and are often blamed on ageing, damage or ...