Abstract  Objective The purpose of this report is to describe the response of a geriatric patient with low back pain and a history of leukemia, multiple compression fractures, osteoporosis, and degenerative joint disease using Activator chiropractic technique. Case Report An 83-year-old man who is the primary caretaker for his disabled wife had low back pain […]

Reference: Kawchuk GN, Kaigle AM, Holm SH, Rod Fauvel O,  Ekstrom L, Hansson T. The diagnostic performance of vertebral  displacement measurements derived from ultrasonic indentation in an in  vivo model of degenerative disc disease. Spine 2001 (Jun 15); 26(12):  1348-55   Abstract STUDY DESIGN: The diagnostic performance of a newly described  variable was assessed in […]

Reference: James W. DeVocht, DC, PhD, Joel G. Pickar, DC, PhD, and David G. Wilder, PhD   ABSTRACT: Objective: To examine the effect of spinal manipulation  on electromyographic (EMG) activity in areas of localized tight muscle  bundles of the low back.   Methods: Surface EMG activity was collected from 16  participants in 2 chiropractic offices […]

Subject: Spinal Manipulation   Authors: James W. DeVocht, DC, PhD, Joel G. Pickar, DC, PhD, and David G. Wilder, PhD ABSTRACT:   Objective: To examine the effect of spinal  manipulation on electromyographic (EMG) activity in areas of localized  tight muscle bundles of the low back.   Methods: Surface EMG activity was collected from 16  participants […]

Subject: Neurophysiological Research   Reference:Richard Roy, DC, Jean Boucher, PhD, Alain Comtois,  PhD…Journal of Manipulation and Physiological Therapeutics MAy 2009;  32(4): pp.277-286   ABSTRACT: Background: The purpose of this study was to examine  heart rate variability (HRV) in the presence or the absence of pain in  the lower back, while receiving one chiropractic treatment at […]

Subject: The Activator Adjusting Instrument – Biomechanical   Reference: Gregory N. Kawchuk,DC; Narasimha G. Prasad,PhD;  Randall C. McLeod,DC; Tasha Liddle,BScPT; Tianye Li, and Qiaohao  Zhu,MSc…Journal of Manipulation and Physiological Therapeutics October  2006; 29(8): pp.611-618   Objective: The goal of this study was to compare the variation of manipulative forces produced by instruments and a manual […]

Subject: The Activator Adjusting Instrument – Biomechanical   Reference: Tony S. Keller,PhD; Christopher J. Colloca,DC; Robert  J. Moore,PhD; Robert Gunzburg,MD; Deed E. Harrison,DC Donald D.  Harrison…Journal of Manipulation and Physiological Therapeutics  July/August 2006; 29(6): pp.425-436   Objective: The aim of this study was to quantify and  compare the 3-dimensional intersegmental motion responses produced by 3  […]

Subject: Lumbar Spine Related Studies   Reference: Xue-Jun Song, MD, Qiang Gan, MS, Jun-Li Cao, MD,  Zheng-Bei Wang, MD, Ronald  Rupert, DC…Journal of Manipulation and  Physiological Therapeutics January 2006; 29(1): pp.5-13   ABSTRACT: Objective: To document potential mediating effects of  the Activator-assisted spinal manipulative therapy (ASMT) on pain and  hyperalgesia after acute intervertebral foramen (IVF) […]

Subject: Lumbar Spine Related Studies Reference: Keller TS, Colloca CJ, Beliveau JG.  Force-deformation response of the lumbar spine: a sagittal plane model  of the posteroanterior manipulation and mobilization. Clinical  Biomechanics 2002; 17(3): 185-96   Abstract: OBJECTIVE: To develop a mathematical model capable of  describing the static and dynamic motion response of the lumbar spine to  […]

Subject: The Activator® Adjusting Instrument – Biomechanical Reference: Herzog W, Kats M, Symons B. The effective  forces transmitted by high-speed, low-amplitude thoracic manipulation.  Spine 2001; 26(19): 2105-11   Abstract: Study Design: Twenty Asymptomatic  Volunteers each received three spinal manipulative treatments to the  thoracic spine. The treatments consisted of a straight posterior-to  anterior high-speed, low-amplitude thrust […]