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15-05-04 it creates a sound that sets teeth on edge and, we're often told, raises the risk of arthritis. but people who can crack their knuckles may actually have healthier joints than others. 掰指关节的声音让人很不舒服，而且我们常被告知，掰指关节会增加患关...

15-04-16 pull my finger, a phrase embraced by school-aged kids and embarrassing uncles the world over, is now being used to settle a decades-long debate about what happens when you crack your knuckles. in a new study published april 15 in plos one, an intern...

14-12-04 he has numbness and tingling in his hands and fingers. 他的手和指头感到麻木和刺痛。 his legs become painful following strenuous exercise. 激烈运动后，他的腿就痛。 his knee is misshapen or unable to move. 他的膝盖有点畸形，也不能动。 there are some s...

10-01-05 knee osteoarthritis骨关节炎 (oa) accounts for more disability in the elderly than any other disease. running, although it has proven cardiovascular心血管的 and other health benefits, can increase stresses on the joints of the leg. in a study publish...