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The pericardium is a double-walled sac around the heart.The inner and outer (visceral and parietal, respectively) layers are normally lubricated by a small amount of pericardial fluid, but the inflammation of pericardium causes the walls to rub against each other with audible friction.
When I was a child, my grandmother would always say, with a half-smile, on hearing shoes squeak "They squeak because they aren't paid for." I am sure she never had a credit card, and would have scorned even the modest credit of a lay-away plan or a Christmas club so I doubt there was an implied "yet". I always assumed she meant the shoes had ...
Such shoes as water socks, running sandals, moccasins, huaraches, dime-store plimsolls, Vibram FiveFingers footwear and other minimal running shoes have relatively thin soles but provide some protection. However minimal shoes do not give runners the same feedback from the plantar mechanoreceptors. Because of the greater protection they offer in ...
POV: You're living in a world where heel stoppers save you from becoming one with the grass at outdoor weddings, and your handbag isn't a mysterious void where lip balms go to die.
Kicked my shoe off on a bus, which sped 3 seats away. Had to get up with 1 shoe on, tap the person on the shoulder who was sitting in the seat my shoe landed under and ask them to get up so I ...
Here's why podiatrists are less than pleased about the return of ballet flats. ... but podiatrists have long waged war against the shoes, and for good reason. Why ballet flats are bad for you. The ...
The familiar squeak of basketball shoes on a wooden basketball court is caused by stick–slip motion. The stick–slip phenomenon, also known as the slip–stick phenomenon or simply stick–slip, is a type of motion exhibited by objects in contact sliding over one another. The motion of these objects is usually not perfectly smooth, but ...
3. Bojangles. Bojangles is a game of highs and lows. I hate some things (read: fries) and adore others (read: sweet potato pie) and the new nuggets, or, “Bo Bites” as they are called, really ...