Percussion

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6 Terms

1
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What is percussion

Tapping skin with short, sharp strokes

2
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What information does it provide

  • Location, size, and density of organs

3
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Technique

  • Place only middle finger on the skin (avoid bony prominences)

  • Ensure the distal joint and tip are firmly flat on the skin to avoid dampening vibrations

  • Keep wrist relaxed and aim for behind the nail bed

  • Take top tip of two fingers and poke on your finger

  • Percuss 2 times in each location with even, staccato blows

4
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Name and describe the sound production caterogies

  • Amplitude (Intensity) - Loud or soft sound

  • Pitch (Frequency) - Number of vibrations per second

  • Quality (Timbre) - Distinctive overtones that affect sound perception

  • Duration - Length of time the note lingers

<ul><li><p>Amplitude (Intensity) - Loud or soft sound</p></li><li><p>Pitch (Frequency) - Number of vibrations per second</p></li><li><p>Quality (Timbre) - Distinctive overtones that affect sound perception</p></li><li><p>Duration - Length of time the note lingers</p></li></ul><p></p>
5
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Structures with more air produce _______

  • louder, deeper sounds

6
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Structures with denser structures yield _______

softer, higher sounds

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