Effects of lumbar spinal disorders on the vertical ground reaction force and Spatio-temporal parameters in gait |
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| Institution: | 1. Movement Analysis Laboratory, IRCCS Istituto Ortopedico Rizzoli, Bologna, Italy;2. Department of Mechanical Engineering and Mechanics, Drexel University, Philadelphia, PA, USA;1. Third Faculty of Medicine, Charles University, Prague, Ruska 2411/87, 100 00 Praha 10-Vinohrady, Czech Republic;2. Regional Hospital in Liberec, Husova 10, Liberec 46001, Czech Republic;3. Colleague of Polytechnics Jihlava, Tolsteho 1556, Jihlava 58601, Czech Republic;4. Technical University of Liberec, Studentska 2, Liberec 46117, Czech Republic;1. Human Motion Laboratory, University of Scranton, Leahy Hall, 237 Jefferson Avenue, Scranton, PA 18510, USA;2. Musculoskeletal Injury Biomechanics Laboratory, University of Wisconsin-Milwaukee, Enderis Hall, PO Box 413, Milwaukee, WI 53201, USA;3. Neuromuscular Control Laboratory, University of Wisconsin-Milwaukee, Enderis Hall, PO Box 413, Milwaukee, WI 53201, USA;4. Mobility Laboratory, University of Wisconsin-Milwaukee, Innovation Campus Accelerator, Room 140, 1225 Discovery Parkway, Wauwatosa, WI 53226, USA;5. Gait & Biodynamics Laboratory, University of Wisconsin-Milwaukee, Enderis Hall, PO Box 413, Milwaukee, WI 53201, USA;1. Department of Orthopaedic Surgery, Woodlands Health, Singapore;2. School of Mechanical & Aerospace Engineering, College of Engineering, Nanyang Technological University, Singapore;3. Department of Orthopaedic Surgery, Khoo Teck Puat Hospital, Singapore;1. Department of Biomedical Engineering, Amirkabir University of Technology, Tehran, Iran;2. Department of Mechanical Engineering, Amirkabir University of Technology, Tehran, Iran;3. Department of Biomedical Engineering, University of Arizona, Tucson, AZ, United States |
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| Abstract: | BackgroundGround reaction forces are biomechanical data, providing information to investigate pathological gait. The vertical component of ground reaction force introduces the upward thrust force within gait progression. Although alterations in the vertical component in patients with spinal disorders were addressed in the literature, still the corresponding effect on spinal disorders is a major issue to scrutiny. In this study, the effects of two different anatomical spinal disorders on the vertical component pattern were investigated.MethodsTwo groups of patients with lumbar spine stenosis and lumbar intervertebral disc degeneration with lesions at L4-L5 and/or L5-S1 levels, were recruited. The vertical component of ground reaction force and spatio-temporal parameters were obtained and analyzed using one-way analysis of variance.FindingsThe results indicated that all spatio-temporal parameters differed significantly (P < 0.05) except step lengths and stride times (P > 0.05). In a similar test, the Fz2 in patients with lumbar stenosis was higher than that of those with disc degeneration (P < 0.05). Besides, the vertical ground reaction force pattern showed lower slopes in stenosis patients.InterpretationThis study showed that the vertical component of ground reaction force alterations and spatio-temporal parameters could be employed as indicators for certain spinal lesions. The results of this study could implement as an adjunct diagnostic method to help clinicians to differentiate between stenosis and disc degeneration patients and plan for their rehabilitation purposes. |
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