rub

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rub

 [rub]
1. to move something over a surface with friction.
2. the action of such movement.
friction rub an auscultatory sound caused by the rubbing together of two serous surfaces, as in pericardial rub; called also rub.
pericardial rub (pericardial friction rub) a scraping or grating noise heard with the heart beat, usually a to-and-fro sound, associated with an inflamed pericardium. Patients often complain of pleuritic discomfort that radiates in the chest, especially during inhalation. This condition must be distinguished from angina pectoris.
pleural rub (pleuritic rub) a friction rub caused by friction between the visceral and costal pleurae.

rub

(rŭb),
Friction encountered in moving one body in contact with another.

rub

(rub)
1. to move something over a surface with friction.
2. the action of such movement.

friction rub  an auscultatory sound caused by the rubbing together of two serous surfaces, as in pericardial rub.
pericardial rub , pericardial friction rub a scraping or grating friction rub heard with the heart beat, usually a to-and-fro sound, associated with pericarditis or other pathological condition of the pericardium.
pleural rub , pleuritic rub a friction rub caused by friction between the visceral and costal pleurae.

rub

Etymology: ME, rubben, to scrape
the movement of one surface moving over another, thereby producing friction, as when pleural membranes produce friction rub.

rub

See Friction rub.

rub

(rŭb)
Friction encountered in moving one body part over another.

rub

friction rub, an auscultatory sound caused by the rubbing together of two serous surfaces.

pericardial rub
a scraping or grating noise heard with the heartbeat, usually a to-and-fro sound, associated with an inflamed pericardium.
pleural rub, pleuritic rub
a rub produced by friction between the visceral and costal pleurae.

Patient discussion about rub

Q. Im only 17 I have horrble lower back pains. Im constitly rubbing,stretching, or cracking my back. the pain is either a throbbing pain or an ache or sting.I feel it worse when I put my chest out my shoulders back. my back feels like its out of place.

A. Lower back pain is so very common... I have had it for years, and just recently what I found to be very helpful is walking. Even a 30-45 minute walk and then some streching is good. I have hardly had any pain since I started exercising and it feels really good. Swimming is also known to help.

More discussions about rub
References in periodicals archive ?
First, the green bark was removed from the commiphora trunk, leaving a rubbed area about 1.
Owen-Smith (1973) noted that white rhinos rubbed their horns against trees and other objects in the environment, but that such behavior was both gentle and infrequent.
Yet the rubbed drawings and small books investigated the landscape without resorting to the grand gestures of many Earthworks and much environmentally oriented art of the time.
The girl, who was 11 at the time, alleged that Quinn also rubbed other pupils' shoulders at the school in Stirlingshire.
Five-month-old Jacob Walker looked as though he was enjoying the program - a fascinated look in his eyes as his mother rubbed his tiny legs.
Oils are rubbed onto the children, helping with the massage process.
Knowledge of the tree varieties most likely to be rubbed and the areas where they such trees are found will help you narrow down such locations.
If you've never tackled anything more difficult than a T-bone on your grill, Hirsch recommends starting with something easy, such as Steak Florentine, rubbed with crushed peppercorns and drizzled with olive oil.
Each side of the tooth should be rubbed up and down before gently pulling the floss out and repeating until all the teeth are done.