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Monthly Archives: November 2015


Evaluating the Relationship Among Cavitation, Zygapophyseal Joint Gapping, and Spinal Manipulation: An Exploratory Case Series

By |November 28, 2015|Chiropractic Research|

Evaluating the Relationship Among Cavitation, Zygapophyseal Joint Gapping, and Spinal Manipulation: An Exploratory Case Series

The Chiro.Org Blog

SOURCE:   J Manipulative Physiol Ther. 2011 (Jan);   34 (1):   2–14

Gregory D. Cramer, DC, PhD, Kim Ross, DC, PhD, Judith Pocius, MS, Joe A. Cantu, DC, Evelyn Laptook, DC, Michael Fergus, DC, Doug Gregerson, DC, Scott Selby, DC, P.K. Raju, PhD

National University of Health Sciences,
Lombard, IL 60510, USA.

OBJECTIVE:   This project determined the feasibility of conducting larger studies assessing the relationship between cavitation and zygapophyseal (Z) joint gapping following spinal manipulative therapy (SMT).

METHODS:   Five healthy volunteers (average age, 25.4 years) were screened and examined against inclusion and exclusion criteria. High-signal magnetic resonance imaging (MRI) markers were fixed to T12, L3, and S1 spinous processes. Scout images were taken to verify the location of the markers. Axial images of the L4/L5 and L5/S1 levels were obtained in the neutral supine position. Following the first MRI, accelerometers were placed over the same spinous processes; and recordings were made from them during side-posture positioning and SMT. The accelerometers were removed, and each subject was scanned in side-posture. The greatest central anterior to posterior Z joint spaces (gap) were measured from the first and second MRI scans. Values obtained from the first scan were subtracted from those of the second, with a positive result indicating an increase in gapping following SMT (positive gapping difference). Gapping difference was compared between the up-side (SMT) joints vs the down-side (non-SMT) joints and between up-side cavitation vs up-side noncavitation joints.

RESULTS:   Greater gapping was found in Z joints that received SMT (0.5 ± 0.6 mm) vs non-SMT joints (-0.2 ± 0.6 mm), and vertebral segments that cavitated gapped more than those that did not cavitate (0.8 ± 0.7 vs 0.4 ± 0.5 mm).

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Concussion study: UBC’s Thunderbirds use their heads to advance science

By |November 27, 2015|Concussion|

Source CBC News

Canadian Chiropractic Research Foundation funds concussion study at the University of British Columbia.

UBC football players are helping advance the science around concussions — using their own heads.

When the Thunderbirds take to the field for the national semi-finals today a number of them will be wearing head sensors that take measurements to help researchers unravel the impact of concussions on athletes.

“What we’re trying to do is get a little more info on what’s occurring in head trauma and football,” said Harrison Brown, a PhD candidate at UBC in Kinesiology.

The study is also uncovering patterns or trends, such as,  “the differences between positions, practices and games, for example,” Brown said.

More than a dozen players, including the starting quarterback and starting running back, volunteered for the study, funded by the Canadian Chiropractic Research Foundation.

Brown said sensors called “xPatches” — an impact sensing patch — are put behind the players’ ears and worn during practices and games.

Researchers study the number, and the intensity, of hits players take, as well as the effects.

So, while the UBC Thunderbirds take on St. Francis Xavier’s X-men in the hopes of advancing to the Vanier Cup, they will advance science no matter what the final score of the game.

The results of the 2-year study are expected next spring.

Sympathetic and Parasympathetic Responses to Specific Diversified Adjustments to Chiropractic Vertebral Subluxations of the Cervical and Thoracic Spine

By |November 27, 2015|Blood Pressure|

Sympathetic and Parasympathetic Responses to Specific Diversified Adjustments to Chiropractic Vertebral Subluxations of the Cervical and Thoracic Spine

The Chiro.Org Blog

SOURCE:   J Chiropractic Medicine 2008 (Sep);   7 (3):   86–93

Arlene Welch, DC, Ralph Boone, PhD, DC

Instructor of Clinical Sciences and Health Center Faculty Doctor,
Sherman College of Straight Chiropractic,
Spartanburg, SC 29304

OBJECTIVE:   The aims of this study were to investigate the response of the autonomic nervous system based upon the area of the spine adjusted and to determine if a cervical adjustment elicits a parasympathetic response and if a thoracic adjustment elicits a sympathetic response.

METHODS:   Forty patients (25-55 years old) met inclusion criteria that consisted of normal blood pressure, no history of heart disease, and being asymptomatic. Patients were evaluated pre- and post-chiropractic adjustment for the following autonomic responses: blood pressure and pulse rate. Seven patients were measured for heart rate variability. The subjects received either a diversified cervical segment adjustment or a diversified thoracic segment adjustment.

RESULTS:   Diastolic pressure (indicating a sympathetic response) dropped significantly postadjustment among those receiving cervical adjustments, accompanied by a moderate clinical effect (0.50). Pulse pressure increased significantly among those receiving cervical adjustments, accompanied by a large effect size (0.82). Although the decrease in pulse pressure for those receiving thoracic adjustments was not statistically significant, the decrease was accompanied by a moderate effect size (0.66).

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Chiropractic Scoliosis Rehabilitation Treatment

By |November 26, 2015|Scoliosis|

Results of Chiropractic Scoliosis Rehabilitation Treatment at Two Years Post-skeletal Maturity in Identical Female Twins

The Chiro.Org Blog

SOURCE:   J Bodyw Mov Ther. 2015 (Oct);   19 (4):   592–596

Brian Dovorany, Mark W. Morningstar, Clayton Stitzel, Aatif Siddiqui

Private Practice of Chiropractic Medicine,
2031 S Webster Avenue,
Green Bay, WI 54301, USA

BACKGROUND:   Scoliosis treatment guidelines for non-operative management suggest that patients should be followed for two years beyond skeletal maturity to appropriately evaluate treatment effect. This report outlines the results of identical twin girls’ treatment with chiropractic rehabilitation treatment at two years post skeletal maturity.

FINDINGS:   The twins participated in a treatment lasting two weeks, followed by home care maintenance and periodic follow-ups for they reached skeletal maturity. Two year follow up showed reduced Cobb angles of 19° and 15°, respectively.

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Chiropractic Spinal Manipulative Therapy for Migraine

By |November 24, 2015|Migraine|

Chiropractic Spinal Manipulative Therapy for Migraine: A Study Protocol of a Single-blinded Placebo-controlled Randomised Clinical Trial

The Chiro.Org Blog

SOURCE:   BMJ Open. 2015 (Nov 19);   5 (11):   e008095 ~ FULL TEXT

Aleksander Chaibi, Jurate Šaltyte Benth,
Peter J Tuchin, Michael Bjørn Russell

Head and Neck Research Group,
Research Centre, Akershus University Hospital,
Lørenskog, Norway Institute of Clinical Medicine,
Akershus University Hospital,
University of Oslo,
Nordbyhagen, Norway

INTRODUCTION:   Migraine affects 15% of the population, and has substantial health and socioeconomic costs. Pharmacological management is first-line treatment. However, acute and/or prophylactic medicine might not be tolerated due to side effects or contraindications. Thus, we aim to assess the efficacy of chiropractic spinal manipulative therapy (CSMT) for migraineurs in a single-blinded placebo-controlled randomised clinical trial (RCT).

METHOD AND ANALYSIS:   According to the power calculations, 90 participants are needed in the RCT. Participants will be randomised into one of three groups: CSMT, placebo (sham manipulation) and control (usual non-manual management). The RCT consists of three stages: 1 month run-in, 3 months intervention and follow-up analyses at the end of the intervention and 3, 6 and 12 months. The primary end point is migraine frequency, while migraine duration, migraine intensity, headache index (frequency x duration x intensity) and medicine consumption are secondary end points. Primary analysis will assess a change in migraine frequency from baseline to the end of the intervention and follow-up, where the groups CSMT and placebo and CSMT and control will be compared. Owing to two group comparisons, p values below 0.025 will be considered statistically significant. For all secondary end points and analyses, a p value below 0.05 will be used. The results will be presented with the corresponding p values and 95% CIs.

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