Kinematic and kinetic analysis of dogs during trotting after amputation of a pelvic limb

Sara M. Hogy, Deanna R. Worley, Sarah L. Jarvis, Ashley E Hill, Raoul F. Reiser, Kevin K. Haussler

Research output: Contribution to journalArticle

16 Citations (Scopus)

Abstract

Objective-To evaluate biomechanical gait adaptations in dogs after amputation of a pelvic limb. Animals-Client-owned dogs (12 pelvic limb-amputee and 24 quadruped [control] dogs). Procedures-Dogs were trotted across 3 in-series force platforms. Spatial kinematic and kinetic data were recorded for each limb during the stance phase. Results-Pelvic limb amputees had increased peak braking forces in the contralateral thoracic limb and increased propulsive forces and impulses in both the ipsilateral thoracic limb and remaining pelvic limb. Time to peak braking force was significantly decreased, and time to peak propulsive force was significantly increased in all remaining limbs in amputees. Amputees had an increase in range of motion at the tarsal joint of the remaining pelvic limb, compared with results for the control dogs. Amputees had increased vertebral range of motion at T1 and T13 and increased vertebral extension at L7 within the sagittal plane. In the horizontal plane, amputees had increased lateral bending toward the remaining pelvic limb, which resulted in a laterally deviated gait pattern. Conclusions and Clinical Relevance-Pelvic limb amputees adjusted to loss of a limb through increased range of motion at the tarsal joint, increased range of motion in the cervicothoracic and thoracolumbar vertebral regions, and extension of the lumbosacral vertebral region, compared with results for the control dogs. Amputees alternated between a laterally deviated gait when the pelvic limb was in propulsion and a regular cranially oriented gait pattern when either forelimb was in propulsion with horizontal rotation around L7.

Original languageEnglish (US)
Pages (from-to)1164-1171
Number of pages8
JournalAmerican Journal of Veterinary Research
Volume74
Issue number9
DOIs
StatePublished - Sep 2013

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trotting
amputation
limbs (animal)
kinematics
Amputation
Biomechanical Phenomena
Extremities
Amputees
Dogs
kinetics
dogs
gait
Articular Range of Motion
Gait
Tarsal Joints
chest
joints (animal)
Thorax
Lumbosacral Region
Forelimb

ASJC Scopus subject areas

  • veterinary(all)

Cite this

Kinematic and kinetic analysis of dogs during trotting after amputation of a pelvic limb. / Hogy, Sara M.; Worley, Deanna R.; Jarvis, Sarah L.; Hill, Ashley E; Reiser, Raoul F.; Haussler, Kevin K.

In: American Journal of Veterinary Research, Vol. 74, No. 9, 09.2013, p. 1164-1171.

Research output: Contribution to journalArticle

Hogy, Sara M. ; Worley, Deanna R. ; Jarvis, Sarah L. ; Hill, Ashley E ; Reiser, Raoul F. ; Haussler, Kevin K. / Kinematic and kinetic analysis of dogs during trotting after amputation of a pelvic limb. In: American Journal of Veterinary Research. 2013 ; Vol. 74, No. 9. pp. 1164-1171.
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