Vibration Training - Animals

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Cat's Purr Scientific Abstract

2pAB7. The felid purr: A healing mechanism?

Session: Tuesday Afternoon, Dec 04

Time: 3:15

http://www.animalvoice.com/

Author: von Muggenthaler

Abstract:

A current hypothesis suggests the purr indicates contentment,

however, cats purr when they are severely injured or frightened.

Forty-four felids were recorded including cheetahs, ocelots, pumas,

domestic cats, and servals. A Sony TCD-D8 Digital Audio Recorder

(DAT) and Statham Radio microphones recorded the purrs. FFTs and

spectrographs were performed using National Instrument's Polynesia.

An accelerometer was also used to measure domestic cat purrs. Every

felid in the study generated strong frequencies between 25 and 150

Hz. Purr frequencies correspond to vibrational/electrical frequencies

used in treatment for bone growth/fractures, pain, edema, muscle

growth/strain, joint flexibility, dyspnea, and wounds. Domestic cats,

servals, ocelots, and pumas produce fundamental, dominant, or strong

frequencies at exactly 25 Hz and 50 Hz, the two low frequencies that

best promote bone growth/fracture healing [Chen et al., Zhong. Wai Ke

Za Zhi. 32, 217--219 (1994)]. These four species have a strong

harmonic exactly at, or within 2 Hz of 100 Hz, a frequency used

therapeutically for pain, edema, wounds, and dyspnea. An internal

healing mechanism would be advantageous, increasing recovery time and

keeping muscles and bone strong when sedentary. [Published with

permission from the New Zealand Veterinary Journal; work supported by

Endevco.]

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Carruthers

Wakefield, UK