{"id":3577,"date":"1986-03-01T18:21:13","date_gmt":"1986-03-02T01:21:13","guid":{"rendered":"https:\/\/www.activator.com\/?p=3577"},"modified":"2023-11-27T11:59:21","modified_gmt":"2023-11-27T18:59:21","slug":"accuracy-of-piezoelectric-accelerometers-measuring-displacement-of-a-spinal-adjusting-instrument","status":"publish","type":"post","link":"https:\/\/activator.com\/accuracy-of-piezoelectric-accelerometers-measuring-displacement-of-a-spinal-adjusting-instrument\/","title":{"rendered":"Accuracy of Piezoelectric Accelerometers Measuring Displacement of a Spinal Adjusting Instrument"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"3577\" class=\"elementor elementor-3577\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-4db49744 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"4db49744\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-e424403\" data-id=\"e424403\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-6b8d4609 elementor-widget elementor-widget-text-editor\" data-id=\"6b8d4609\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h3>Abstract<\/h3>\n<div class=\"\">\n\nThe accuracy and reproducibility of an electronic system to measure the displacement of a spring-loaded chiropractic adjusting instrument was examined. The electronic system included a piezoelectric force transducer, piezoelectric accelerometer transducers and a digital oscilloscope. Accuracy was studied by comparing electronic measurements with the expansion allowed by the mechanically limiting expansion-control knob of the instrument. The results suggested improvements for future accuracy verification checks and detected accuracy within about 10% of the expansion of the commonly used expansion-control-knob revolutions. Preliminary experiments are presented to show application of the system to studies on thrusts into the spine. The impedance-head-equipped spring-loaded Activator chiropractic adjusting instrument had a low velocity when used on the patient and appeared to cause bone movement and a measurable EMG response.\n\n<hr \/>\n\n<a title=\"Journal of manipulative and physiological therapeutics.\" href=\"http:\/\/www.ncbi.nlm.nih.gov\/pubmed\/3701223#\" target=\"_blank\" rel=\"noopener\">J Manipulative Physiol Ther.<\/a> 1986 Mar;9(1):15-21. [<a href=\"http:\/\/www.ncbi.nlm.nih.gov\/pubmed\/3701223\" target=\"_blank\" rel=\"noopener\">PMID: 3701223<\/a>]\n\nAuthor information:\u00a0Fuhr AW, Smith DB. Activator Methods, Inc. Phoenix, AZ.\n\n<\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t<script>function getWR360PopupSkin(){return 'light_clean';}<\/script>","protected":false},"excerpt":{"rendered":"<p>Abstract The accuracy and reproducibility of an electronic system to measure the displacement of a spring-loaded chiropractic adjusting instrument was examined. The electronic system included a piezoelectric force transducer, piezoelectric accelerometer transducers and a digital oscilloscope. Accuracy was studied by comparing electronic measurements with the expansion allowed by the mechanically limiting expansion-control knob of the [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"elementor_header_footer","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[4,5,67],"tags":[68,69,63,70,71],"class_list":["post-3577","post","type-post","status-publish","format-standard","hentry","category-research","category-activator-i","category-biomechanical","tag-mechanical","tag-piezoelectric","tag-reflex","tag-stretch","tag-transducer"],"acf":[],"_links":{"self":[{"href":"https:\/\/activator.com\/wp-json\/wp\/v2\/posts\/3577","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/activator.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/activator.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/activator.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/activator.com\/wp-json\/wp\/v2\/comments?post=3577"}],"version-history":[{"count":4,"href":"https:\/\/activator.com\/wp-json\/wp\/v2\/posts\/3577\/revisions"}],"predecessor-version":[{"id":136064,"href":"https:\/\/activator.com\/wp-json\/wp\/v2\/posts\/3577\/revisions\/136064"}],"wp:attachment":[{"href":"https:\/\/activator.com\/wp-json\/wp\/v2\/media?parent=3577"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/activator.com\/wp-json\/wp\/v2\/categories?post=3577"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/activator.com\/wp-json\/wp\/v2\/tags?post=3577"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}