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Deed Eric Harrison

Deed Eric Harrison
Chiropractic BioPhysics Technique and CBP NonProfit, Inc. --A Spine Research Foundation in Eagle, ID · Research and Education

DC
Working on many research projects for CBP NonProfit and with my esteemed colleague Professor Ibrahim Moustafa in the UAE

About

272
Publications
204,828
Reads
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7,480
Citations
Introduction
My colleagues and I focus on spine rehabilitation practices, procedures, and outcomes with Chiropractic and Physical Therapy methods. Previously, we've studied spine and posture modeling, and case control designs to understand normal data in varying popultions and reliability and validity of the assessments. Currently my colleagues and I are investigating structural rehabilitation of the spine and posture in RCT's to identify better ways to manage chronic pain conditions with a spine origin.
Additional affiliations
January 2012 - March 2016
Ideal Spine Health Center and CBP NonProfit, Inc. --A Spine Research Foundation in Eagle, ID
Position
  • CEO
Education
January 1994 - December 1996
Life Chiropractic College West
Field of study
  • Chiropractic

Publications

Publications (272)
Article
Full-text available
Background: Cervicogenic dizziness is a disabling condition commonly associated with cervical dysfunction. Although the growing interest with the importance of normal sagittal configuration of cervical spine, the missing component in the management of cervicogenic dizziness might be altered structural alignment of the cervical spinal region itself...
Article
Background: There is a growing interest concerning the understanding of the sagittal configuration of the cervical spine as a clinical outcome. However, evaluating sensorimotor control and autonomic nervous system for participants with forward head posture (FHP) compared to strictly matched control participants with normal head alignment has not b...
Article
Full-text available
Context: Sagittal-plane cervical spine alignment has emerged as one of the most important clinical outcomes in health care. Nevertheless, the quantity and quality of research on the role that cervical sagittal alignment plays in improving sensorimotor and autonomic nervous functions are limited. Objective: To investigate the immediate and long-t...
Article
Full-text available
A randomized controlled study was conducted to evaluate the effect of rehabilitation of the cervical sagittal configuration on sensorimotor integration and central conduction time in an asymptomatic population. Eighty (32 female) participants with radiographic cervical hypolordosis and anterior head translation posture were randomly assigned to eit...
Article
Full-text available
This study explored the application of machine learning in predicting post-treatment outcomes for chronic neck pain patients undergoing a multimodal program featuring cervical extension traction (CET). Pre-treatment demographic and clinical variables were used to develop predictive models capable of anticipating modifications in cervical lordotic a...
Article
Full-text available
[Purpose] We document the significant improvement in posturography and spinal deformity by Chiropractic BioPhysics ® (CBP ®) technique methods. [Participant and Methods] A 78-year-old male presented with 20 years of chronic hip and lower back pain and stiffness. The pain was 5/10 and disability was 38%. The patient also complained of walking diffic...
Article
Full-text available
This prospective consecutive case series was conducted in 5 physiotherapy clinics in the UAE from January 2021–March 2023 to assess coronal lumbar spine radiographic parameters as a predictor of conservative therapy outcomes in patients suffering from low back and leg pain due to lumbar herniated nucleus pulposus (HNP). Ninety patients (mean age 44...
Article
Full-text available
Neck pain (NP) is a leading cause of disability and can be a consequence of failed cervical spine surgeries. Articles showing successful conservative therapies after a failed surgery in the cervical spine are very rare. A 26-year-old male reported six years of worsening and disabling NP. The short-form 36-question health status questionnaire reveal...
Article
Full-text available
Cervical hyperlordosis is a rare condition in the pediatric population. We present a unique case of the application of Chiropractic Biophysics® (CBP®) technique protocols to reduce a hyperlordotic cervical spine corresponding with many craniocervical symptoms, including chronic migraines and neck pain. A 15-year-old female presented with chronic he...
Article
Full-text available
We present a chronic migraine (CM) patient demonstrating significant improvement in subjective and objective reported outcome measures with deeper cervical lordosis parameters and reduced forward head posture on radiographs. A 29-year-old male suffered from CM reporting significant pain and disability with aural, sensory, and motor disturbances dur...
Article
Full-text available
We present a case report of a patient suffering from chronic low back pain (CLBP) and chronic non-specific neck pain (CNSNP), both of which were caused and complicated by a physically demanding occupation, a history of mixed martial arts, and lumbar scoliosis. Improvements in patient-reported outcomes (PROs) and radiographic findings were observed...
Article
Full-text available
Background: Biomechanical analysis of the sagittal alignment of the lumbar spine and pelvis on radiographs is common in clinical practices including chiropractic, physical therapy, scoliosis-related thoraco-lumbo-sacral orthosis (TLSO) management, orthopedics, and neurosurgery. Of specific interest is the assessment of pelvic morphology and the rel...
Article
Full-text available
Background: Recent studies have found forward head posture (FHP) is associated with altered physiology. There is a lack of research into whether FHP is associated with altered gait parameters when cognitively challenged. Our hypothesis is that individuals with FHP and those without will demonstrate different responses when undergoing dual-task asse...
Preprint
Full-text available
A multicenter, prospective consecutive case series study was conducted in 5 physiotherapy clinics in the UAE from January 2021 to March 2023 to assess rotations and translations of head posture parameters as potential predictors of conservative therapy outcomes in patients with chronic non-specific neck pain (CNSNP). Eighty-six patients (mean age 3...
Preprint
Full-text available
Background: Recent studies have found forward head posture (FHP) to be associated with altered physiology, however, there is a lack of research into whether FHP is associated with altered gait parameters when cognitively challenged. The current study was undertaken to investigate the changes in gait parameters in asymptomatic individuals with FHP w...
Article
Full-text available
A 19-year-old male suffered from sporadic hemiplegic migraine (SHM) for several years and experienced significant pain and disability with sensory and motor disturbances during the migraine headaches. Weakness, abnormal vision, abnormal sensation, one-sided disabling motor weakness, and other signs of SHM were diagnosed. The patient had received pr...
Article
Full-text available
Abnormal Static Sagittal Cervical Curvatures following Motor Vehicle Collisions: A Retrospective Case Series of 41 Patients before and after a Crash Exposure. Diagnostics 2024, 14, 957. Abstract: Previous investigations have found a correlation between abnormal curvatures and a variety of patient complaints such as cervical pain and disability. How...
Article
Full-text available
Background: The biomechanical analysis of spine and postural misalignments is important for surgical and non-surgical treatment of spinal pain. We investigated the examiner reliability of sagittal cervical alignment variables compared to the reliability and concurrent validity of computer vision algorithms used in the PostureRay® software 2024. Met...
Article
Full-text available
Alleviation of headaches (HAs), neck pain (NP), and disability is a desirable clinical outcome for the billions globally who suffer from these conditions. Chiropractic BioPhysics® (CBP®) methods may provide an option for head and neck-injured patients. A 62-year-old female historically injured multiple times including two motor vehicle collisions (...
Article
Full-text available
(1) Background: This study assessed the relationship between cervical spine parameters taken on standing full-spine lateral radiographic images compared to sectional lateral cervical radiographs. (2) Methods: Full-spine (FS) and sectional lateral cervical (LC) radiographs from four spine treatment facilities across the USA retrospectively provided...
Article
Full-text available
Background: There is evidence indicating patients with spinal deformity have impaired postural control and balance issues. Often, previous surgical intervention excludes the older patient from further invasive procedures leaving them with limited treatment options. The purpose of this case is to report on the clinically significant improvement in p...
Article
Full-text available
Background: Measures of lumbar lordosis (LL) and elliptical modeling variables have been shown to discriminate between normal and chronic low back pain (CLBP) patients. Pelvic morphology influences an individual’s sagittal lumbar alignment. Our purpose is to investigate the sensitivity and specificity of lumbar sagittal radiographic alignment and m...
Article
Full-text available
Background: Forward head posture (FHP) and altered cervical lordotic curvatures are common spine displacements often associated with neck pain and disability. Two primary categories for determining FHP exist: radiographic and postural measurements. Methods: This study investigated the correlation between the craniovertebral angle (CVA), the radiogr...
Article
Full-text available
Abstract Purpose To present the successful outcome of a patient with 2 extra vertebrae having spinal deformity. Participant and methods A 29-year-old female presented with chronic low back pain. Uniquely, the patient demonstrated 2 extra vertebrae, 13 rib bearing vertebrae and 6 non-rib bearing lumbar vertebrae. Radiography assessment demonstrated...
Article
Full-text available
Lumbar disc herniation associated with radiculopathy (LDHR) is among the most frequent causes of spine-related disorders. This condition is triggered by irritation of the nerve root caused by a herniated disc. Many non-surgical and surgical approaches are available for managing this prevalent disorder. Non-surgical treatment approaches are consider...
Article
Full-text available
The aim of this case report is to provide clinicians with an option for the treatment of spine pain, spine disorders caused or complicated by abnormal spine alignment, and failed prior interventions for pain and suffering with a conservative protocol. Multi-decade chronic widespread pain (CWSP), low back pain (LBP) headache (HA), and neck pain (NP)...
Article
Full-text available
Purpose] To present the case of the amelioration of chronic pain and disability in a patient suffering from failed back surgery syndrome. [Participant and Methods] A 27-year-old male with chronic low back pain was treated with a Coflex® intra-spinous instrument, however, it was removed shortly after due to poor outcome including worsening pain and...
Article
Full-text available
We present the case of a patient receiving structural rehabilitation following a rear-impact motor vehicle collision (MVC). Medications did not alleviate the symptoms of the crash injuries. Resolution of injury-caused pain and disability was found following postural and structural rehabilitation treatment. A 39-year-old male was injured in a rear-...
Article
Full-text available
The aim of this study is to describe the Chiropractic BioPhysics® (CBP®) (Chiropractic BioPhysics, Eagle, USA) technique in alleviating the persistent spine pain syndrome (PSPS) and dysfunction in a 50-year-old female who suffered for many years. The purpose of this study is to provide clinicians with a potential treatment option for failed back su...
Article
Full-text available
Purpose] To present the case of a significant reduction in thoraco-lumbar deformity and alleviation of chronic low back pain in an otherwise healthy and active adolescent male basketball player. [Participant and Methods] A 17 year old was assessed with chronic low back pain persisting for 4 years. Radiographic assessment revealed a prominent thorac...
Article
Full-text available
Purpose] To present the dramatic improvement in posture, radiographic parameters and the alleviation of neck and severe shoulder pain related to shoulder injury associated with vaccine administration (SIRVA) after a COVID-19 injection with a shoulder mobility and posture rehabilitation program. [Participant and Methods] A middle-aged male presented...
Preprint
A multicenter, prospective cohort study conducted in 5 physiotherapy clinics in the UAE from January 2021 to March 2023 to assess coronal lumbar spine radiographic parameters as a predictor of conservative therapy outcomes in patients suffering from low back and leg pain due to lumbar disc herniation (HNP). Ninety patients (mean age 44 yrs., 54% ma...
Poster
Full-text available
Background: Biomechanical analysis on the alignment of the sagittal lumbar spine and pelvis, particularly in assessing pelvic morphology and the relationship with sacral slope and lumbar lordosis, is common in clinical practice including in chiropractic care and orthopedic surgical planning. The current state of the literature on the reliability of...
Article
Full-text available
This series illustrates how rear-end impact motor vehicle collisions (MVCs) alter the cervical spine's alignment and demonstrates therapeutic use of cervical extension traction to improve lordotic alignment and other outcomes. This is a retrospective reporting of 7 adult patients (4 males and 3 females, 28-42 years) treated for cervical hypolordosi...
Article
Full-text available
This study assessed the relationship between head posture displacements and biomechanical parameters during gait and jumping. One hundred male and female students (20 ± 3 yrs) were assessed via the PostureScreen Mobile® app to quantify postural displacements of head rotations and translations including: (1) the cranio-vertebral angle (CVA) (◦), (2)...
Article
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Spinal injuries, disorders and disabilities are among the leading causes for work loss, suffering, and health care expenditures throughout the industrialized world [...]
Article
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This study assessed the relationship between body posture displacements, cardiopulmonary exercise testing (CPET), and skill-related physical fitness tests. One hundred male (60%) and female collegiate athletes (22.2 ± 4 yrs) with normal body mass indexes (BMI up to 24.9) were assessed via the PostureScreen Mobile® app to quantify postural displacem...
Preprint
Full-text available
This study assessed the relationship between head posture displacements and biomechanical parameters in three different tasks. One hundred male and female students (20 ± 3yrs) were assessed via the PostureScreen Mobile app to quantify postural displacements of head rotations and translations including: 1) the cranio-vertebral angle (CVA) (°), 2) an...
Preprint
Full-text available
This study assessed the relationship between body posture displacements and cardiopulmonary function test (CPET) and skill related physical fitness tests. One hundred male (60%) and female collegiate athletes (22.2 ± 4yrs) with a normal body mass index (BMI up to 24.9) were assessed via the PostureScreen Mobile app to quantify postural displacement...
Article
Full-text available
There is great interest in thoracic kyphosis, as it is thought to be a contributor to neck pain, neck disability, and sensorimotor control measures; however, this has not been completely investigated in treatment or case control studies. This case control design investigated participants with non-specific chronic neck pain. Eighty participants with...
Article
Full-text available
Aim: To report improvements in post-concussion syndrome and concussion incidence following cervical spinal alignment correction. Case presentation: A 27-year-old professional rugby player with 20 documented concussions presented with abnormal cervical spinal alignment and post-concussion syndrome. After 30 sessions of cervical rehabilitation, he...
Article
Full-text available
Purpose] To present a case demonstrating dramatic restoration of the cervical lordosis and reduction of forward head posture by use of Chiropractic BioPhysics ® (CBP ®) technique. [Participant and Methods] A 24-year-old cervical asymptomatic female presented with poor craniocervical posture. Radiography revealed forward head posture and an exaggera...
Conference Paper
Full-text available
Biomechanical analysis on the alignment of the sagittal lumbar spine and pelvis is common in clinical practice including in chiropractic care and orthopedic surgical planning particularly in assessing pelvic morphology and the relationship with sacral slope and lumbar lordosis. The current state of the literature on the reliability of common method...
Article
Full-text available
The current investigation used somatosensory evoked potentials (SEPs) to assess differences in sensorimotor integration and somatosensory processing variables between asymptomatic individuals with and without forward head posture (FHP). We assessed different neural regions of the somatosensory pathway, including the amplitudes of the peripheral N9,...
Preprint
Full-text available
There is great interest in thoracic kyphosis as it is thought to be a contributor to neck pain, neck disability, and sensorimotor control measures; though this has not been completely inves-tigated in treatment or case control studies. This case control design investigated participants with non-specific chronic neck pain. Eighty participants with a...
Article
Full-text available
[Purpose] To document the re-establishment of the cervical lordosis following radiographically verified altered sagittal plane alignment both prior to, and following a motor vehicle collision. [Participant and Methods] A 16-year-old male presented for a non-motor collision complaint of low back pain. Initial lateral cervical radiograph demonstrated...
Article
Full-text available
The current study aimed to determine whether participants with and without forward head posture (FHP) would respond differently in cervical nerve root function to various sitting positions. We measured peak-to-peak dermatomal somatosensory-evoked potentials (DSSEPs) in 30 participants with FHP and in 30 participants matched for age, sex, and body m...
Article
Full-text available
Forward head posture (FHP) is a common postural displacement that is significantly associated with neck pain, with higher risks of having neck pain in female and older populations. This study investigated the effect of two different forward head posture (FHP) interventions in elderly participants with poor posture and non-specific neck pain. Sixty-...
Article
Full-text available
Fibromyalgia syndrome (FMS) is a common condition lacking strong diagnostic criteria; these criteria continue to evolve as more and more studies are performed to explore it. This investigation sought to identify whether participants with FMS have more frequent and larger postural/spinal displacements in comparison to a matched control group without...
Article
Full-text available
Abstract: The aim of this study was to investigate the feasibility and effect of a multimodal pro-gram for the management of chronic nonspecific neck pain CNSNP with the addition of a 3D adjustable posture corrective orthotic (PCO), with a focus on patient recruitment and retention. This report describes a prospective, randomized controlled pilot s...
Article
Full-text available
Sagittal cervical alignment is a clinically related feature in patients suffering from chronic cervical spondylotic radiculopathy (CSR). We designed this randomized trial to explore the effects of cervical lordosis (CL) correction in thirty chronic lower CSR patients with CL < 20°. Patients were assigned randomly into two equal groups, study (SG) a...
Article
Full-text available
Purpose] To characterize the case report evidence of Chiropractic BioPhysics ® (CBP ®) technique methods applied to increase cervical lordosis and improve forward head posture. [Methods] The CBP Non-profit website as well as PubMed and Index to Chiropractic literature were searched for case reports/series documenting the increase of cervical lordos...
Article
Full-text available
Purpose The current investigation aimed to compare the sensorimotor integration, sensorimotor control, and cost of cognitive-motor dual task during walking, in persons with chronic WAD as compared to matched chronic idiopathic neck pain and normal healthy controls. Methods A cross-sectional, case control design comparing 30 participants in each of...
Article
Full-text available
This study investigates thoracic hyper kyphosis (THK) rehabilitation using the Denneroll™ thoracic traction orthosis (DTTO). Eighty participants, with chronic non-specific neck pain (CNSNP) and THK were randomly assigned to the control or intervention group (IG). Both groups received the multimodal program; IG received the DTTO. Outcomes included f...
Article
Full-text available
A randomized controlled study with a six-month follow-up was conducted to investigate the effects of sagittal head posture correction on 3D spinal posture parameters, back and leg pain, disability, and S1 nerve root function in patients with chronic discogenic lumbosacral radiculopathy (CDLR). Participants included 80 (35 female) patients between 4...
Article
Full-text available
Objective: To characterize case report evidence of Chiropractic BioPhysics® (CBP®) technique methods applied to increase lumbar lordosis in patients with defined radiographic hypolordosis. Methods: The CBP NonProfit website and Pubmed and Index to Chiropractic literature databases were searched for case reports/series documenting lumbar lordosis ch...
Article
Full-text available
Objective: To examine the evidence of Chiropractic BioPhysics® (CBP®) technique methods in pediatric case reports describing the improvement of the cervical lordotic curve and concomitant effects on pain and presenting condition. Methods: We searched the CBP NonProfit website as well as Pubmed and the Index to Chiropractic literature for clinical c...
Article
Full-text available
[Purpose] To demonstrate the reduction of lumbar hyperlordosis, sacral base angle and anterior thoracic translation posture in an 11-year-old female. [Participant and Methods] A pediatric patient presented with lumbar hyperlordosis and underwent Chiropractic BioPhysics® treatment protocols to reduce her spinal deformity and correlated symptoms. Sym...
Article
Objective: To evaluate sensorimotor integration and skill-related physical fitness components for participants with forward head posture (FHP) compared with strictly matched controls with normal head alignment. Material and methods: We measured FHP, sensorimotor processing, and skill-related physical fitness variables in 50 participants with FHP...
Article
Full-text available
[Purpose] A case series is featured demonstrating reduction of curvature in three adult patients who presented with a mild to moderate severity of a uniquely high thoracic curvature clinical presentation. [Participants and Methods] Three adult patients who presented with an upper thoracic scoliosis deformity of mild to moderate severity underwent C...
Chapter
Full-text available
Chiropractic Biophysics® (CBP®) technique is a full-spine and posture correcting method that incorporates mathematical principles into a unique approach to treat spinal disorders. It considers that the identification of postural rotations and translations of human postures are first evaluated and compared to the radiographic assessment of the spine...