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Effect of chiropractic manipulations on the kinematics of back and limbs in horses with clinically diagnosed back problems.

Gomez Alvarez, CB, L'ami, JJ, Moffat, D, Back, W and van Weeren, PR (2008) Effect of chiropractic manipulations on the kinematics of back and limbs in horses with clinically diagnosed back problems. Equine Vet J, 40 (2). pp. 153-159.

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Abstract

REASON FOR PERFORMING STUDY: Although there is anecdotal evidence of clinical effectiveness of chiropractic in treatment of equine back pain, little scientific work has been reported on the subject. OBJECTIVES: To quantify the effect of chiropractic manipulations on back and limb kinematics in horse locomotion. METHODS: Kinematics of 10 Warmblood horses were measured over ground at walk and trot at their own, preferred speed before, and one hour and 3 weeks after chiropractic treatment that consisted of manipulations of the back, neck and pelvic area. Speed was the same during all measurements for each horse. RESULTS: Chiropractic manipulations resulted in increased flexion-extension range of motion (ROM) (P<0.05) at trot in the vertebral angular segments: T10-T13-T17 (0.3 degrees ) and T13-T17-L1 (0.8 degrees ) one hour after treatment, but decreased ROM after 3 weeks. The angular motion patterns (AMPs) of the same segments showed increased flexion at both gaits one hour after treatment (both angles 0.2 degrees at walk and 0.3 degrees at trot, P<0.05) and 3 weeks after treatment (1.0 degrees and 2.4 degrees at walk and 1.9 degrees and 2.9 degrees at trot, P<0.05). The lumbar (L3 and L5) area showed increased flexion after one hour (both angles 0.3 degrees at walk and 0.4 degrees at trot P<0.05), but increased extension after 3 weeks (1.4 degrees and 1.2 degrees , at trot only, P<0.05). There were no detectable changes in lateral bending AMPs. The inclination of the pelvis was reduced at trot one hour (1.6 degrees ) and 3 weeks (3 degrees ) after treatment (P<0.05). The mean axial rotation of the pelvis was more symmetrical 3 weeks after the treatment at both gaits (P<0.05). There were no changes in limb angles at walk and almost no changes at trot. CONCLUSIONS: The main overall effect of the chiropractic manipulations was a less extended thoracic back, a reduced inclination of the pelvis and improvement of the symmetry of the pelvic motion pattern. POTENTIAL RELEVANCE: Chiropractic manipulations elicit slight but significant changes in thoracolumbar and pelvic kinematics. Some of the changes are likely to be beneficial, but clinical trials with increased numbers of horses and longer follow-up are needed.

Item Type: Article
Authors :
NameEmailORCID
Gomez Alvarez, CBc.gomezalvarez@surrey.ac.ukUNSPECIFIED
L'ami, JJUNSPECIFIEDUNSPECIFIED
Moffat, DUNSPECIFIEDUNSPECIFIED
Back, WUNSPECIFIEDUNSPECIFIED
van Weeren, PRUNSPECIFIEDUNSPECIFIED
Date : March 2008
Identification Number : https://doi.org/10.2746/042516408X250292
Uncontrolled Keywords : Animals, Back, Back Pain, Biomechanical Phenomena, Gait, Horse Diseases, Horses, Manipulation, Chiropractic, Range of Motion, Articular, Stress, Mechanical, Time Factors, Treatment Outcome, Veterinary Medicine, Weight-Bearing
Related URLs :
Depositing User : Symplectic Elements
Date Deposited : 17 May 2017 09:48
Last Modified : 17 May 2017 14:45
URI: http://epubs.surrey.ac.uk/id/eprint/825227

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