QA Human Body
Thursday, 25 July 2013
Which joint is the largest and most complex joint in the body?
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The knee joint (tibiofemoral joint) is the most complex in the human body. It is comprised of three different joints: the medial fem...
What does it mean when someone is “double-jointed”?
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Being “double-jointed” (more accurately called joint hypermobility) does not mean having extra joints, but rather having unusually f...
What does it mean when someone is “double-jointed”?
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Being “double-jointed” (more accurately called joint hypermobility) does not mean having extra joints, but rather having unusually f...
What are the four categories of possible movements by synovial joints?
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The four basic categories of movements are gliding, angular movements, rotation, and special movements. Each of these groups is defi...
Which type of joint is most easily dislocated?
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The ball-and-socket joint is most susceptible to dislocation. Joint dislocation, or luxation (from the Latin luxare, meaning “to put...
Why is there a “popping” sound when you crack your knuckles, and is it dangerous to crack them?
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A number of reasons have been given for the characteristic “popping” sound associated with someone cracking their knuckles. One reas...
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