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Percussion is a method of tapping on a surface to determine the underlying structures, and is used in clinical examinations to assess the condition of the thorax or abdomen. It is one of the four methods of clinical examination, together with inspection , palpation , auscultation , and inquiry.
During percussion the middle finger of examiner's hand is routinely used as pleximeter. The finger of the examiner's left hand is firmly applied to the chest wall so as to displace any air between it and the chest wall and the plexor strikes on the middle phalanx of the pleximeter. [ 1 ]
The two steps of shifting dullness. Percussion of the green section shifts from a dull note to a tympanic note after the patient changes from supine to lateral decubitus position. The test is performed by first percussing the midline of the abdomen to elicit a resonant note due to gas in the abdomen. If there is no area of resonance, then the ...
The Eagan High School indoor percussion ensemble. An indoor percussion ensemble or indoor drumline is a type of marching ensemble consisting of battery and front ensemble instruments. [1] [2] It differs itself from a traditional percussion ensemble by not only on musical performance, but on theatrics and marching. [3]
A drum roll (or roll for short) is a technique used by percussionists to produce a sustained sound for the duration of a written note. [2]All drum figures are based upon three fundamental beats, technically called roll, single stroke, and flam...Sustentation is accomplished upon wind instruments by blowing into the instrument; it is accomplished upon the violin and the allied instruments by ...
Conversely, the members of the Hornbostel–Sachs high-level categories 1 and 2 nearly all fall clearly or loosely into the conventional category of percussion. Hornbostel–Sachs does use the term percussion to divide the third-level category directly struck idiophones (111) into percussion idiophones (111.2), those beaten with a hand or ...
Percussion notation is a type of musical notation indicating notes to be played by percussion instruments. As with other forms of musical notation, sounds are represented by symbols which are usually written onto a musical staff (or stave). Percussion instruments are generally grouped into two categories: pitched and non-pitched. The notation ...
The rhythms and use of percussion in jazz, as well as the art form itself, were products of extensive cultural mixing in various locations. The earliest occasion when this occurred was the Moorish invasion of Europe, where the cultures of France, Spain, and Africa to some extent, encountered each other and most likely exchanged some cultural information. [1]