This is probably not a very good question for this site, but I couldn't find an answer elsewhere. Are there any birds whose legs fold the same way human legs do, in a knee, instead of an elbow which ...
What causes the noise when you crack a joint? Is joint cracking harmful?
If osteoarthritis (osteoarthrosis) is a degenerative condition, where the cartilage in joints wears down, what causes the joints to become inflamed? I'm reading through a book called Understanding ...
Many people like cracking their knuckles. I have always been curious about it. What happens when we crack knuckles? What creates the POP sound? Why do we get a relief-like feeling after doing it?
Ankylosing Spondylitis (AS) causes inflammation around joints and the growth of syndesmophytes that may eventually fuse vertebrae. I'm familiar with the genetics (HLA-B27, IL1A) related to the ...