Three-dimensional movements of the pelvis and the lumbar intervertebral joints in walking and trotting dogs

The Veterinary Journal
K WachsNadja Schilling

Abstract

Current knowledge of the physiological range of motion (ROM) in the canine axial system during locomotion is relatively limited. This is particularly problematic because dogs with back-related dysfunction frequently present for routine consultations. To collect detailed kinematic information and describe the three-dimensional motions of the pelvis and the lumbar spine (i.e. intervertebral joints S1/L7-L2/L1), we recorded ventro-dorsal and latero-lateral X-ray videos of three walking and trotting dogs and reconstructed their pelvic and intervertebral motions using X-ray reconstruction of moving morphology and scientific rotoscoping. Pelvic roll displayed a monophasic motion pattern and the largest ROM with on average 13° and 11° during walking and trotting, respectively. Pelvic yaw had the smallest ROM with on average 5° (walk) and 6° (trot). A biphasic pattern was observed for pelvic pitch with a mean ROM of 8°. At both gaits, the greatest intervertebral motions occurred either in S1/L7 or L7/L6. The intervertebral motions were mono- or biphasic in the horizontal and the transverse body planes and biphasic in the sagittal plane. Cranial to L6/5, the ROM tended to decrease from 3° to <1.5° in all three planes. Our results confir...Continue Reading

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Citations

Sep 23, 2016·The Journal of Experimental Biology·Benjamin J KnörleinElizabeth L Brainerd
Jul 2, 2020·Veterinary Surgery : VS·Gabriella S SandbergSteven C Budsberg
Feb 27, 2020·American Journal of Veterinary Research·Timothy L Foutz, Steven C Budsberg
Jan 27, 2020·Journal of Biomechanics·Sandra Reitmaier, Hendrik Schmidt
Sep 8, 2021·Frontiers in Veterinary Science·Lisa SchikowskiMartin S Fischer
Sep 14, 2021·Frontiers in Veterinary Science·Katharina I SchaubMartin S Fischer

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