Ankle dorsiflexors and plantarflexors neuromuscular electrical stimulation training impacts gait kinematics in older adults: A pilot study |
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| Affiliation: | 1. Normandie Univ, UNICAEN, INSERM, COMETE, 14000, Caen, France;2. Normandie Univ, UNICAEN, INSERM, CHU Caen, Department of Geriatrics, COMETE, 14000, Caen, France;3. University of Montréal, Department of Medicine and Research Center Montreal Heart Institute, Montreal, Canada;4. Normandie Univ, UNICAEN, INSERM, CHU Rouen, Department of Neurophysiology, COMETE, 14000, Caen, France;5. Department of Medicine, Université de Montréal, Montreal, QC, Canada;6. Research Centre, Montreal Heart Institute, Montreal, QC, Canada;7. Research Centre, Institut Universitaire de Gériatrie de Montréal, Montreal, QC, Canada;1. Department of Mechanical Engineering, University of Delaware, Newark, DE, USA;2. Biomechanics and Movement Science Program, University of Delaware, Newark, DE, USA;3. Department of Kinesiology and Applied Physiology, University of Delaware, Newark, DE, USA;4. School of Education, University of Delaware, Newark, DE, USA;5. Department of Biomedical Engineering, University of Delaware, Newark, DE, USA;1. Department of Electrical, Electronic, and Information Engineering «Guglielmo Marconi», University of Bologna, Viale Risorgimento 2, Bologna, Italy;2. Interdepartmental Centre for Industrial Research in Health Sciences and Technologies, University of Bologna, Tolara di Sopra 41/E, Ozzano Emilia (BO), Italy;3. Department for Life Quality Studies, University of Bologna, Corso D''Augusto 237, 47921 Rimini, Italy;4. School of Pharmacy, Biotechnology and Sport Science, University of Bologna, Viale Berti Pichat 10, Bologna, Italy;5. Department of Biomedical and Neuromotor Sciences, University of Bologna, via del Pilastro 8, Bologna, Italy;1. Department of Neuromotor Behavior and Exercise, Institute of Sport and Exercise Sciences, University of Münster, Horstmarer Landweg 62B, 48149 Münster, Germany;2. Institute for Biomechanics, Clinic Lindenplatz, Weslarner Str. 29, 59505 Bad Sassendorf, Germany;3. Department of Exercise & Health, University of Paderborn, Warburger Straße 100, 33098 Paderborn, Germany;4. Department of Sports Medicine, Goethe University Frankfurt am Main, Ginnheimer Landstr. 39, 60487 Frankfurt, Germany;5. Department of Human Movement Science, University of Hamburg, Mollerstraße 10, 20148 Hamburg, Germany;6. Department of Sport and Exercise Science, University of Stuttgart, Allmandring 28, 70569 Stuttgart, Germany;7. Biological Psychology and Neuroergonomics, TU Berlin, Fasanenstr. 1, 10623 Berlin, Germany |
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| Abstract: | BackgroundWhile ankle muscles, highly affected by aging, are highly implicated in the changes in gait kinematics and involved in the limitation of seniors' mobility, whether neuromuscular electrical stimulation (NMES) training of these muscles could impact gait kinematics in older adults has not been investigated yet.Research questionWhat are the effects of 12 weeks of ankle plantar and dorsiflexors NMES training on strength and gait kinematics in healthy older adults?MethodsFourteen older adults (73.6 ± 4.9 years) performed a three-time per week, three months long NMES training of both ankle plantar and dorsiflexors. Before and after training, neuromuscular parameters, gait kinematic parameters, and daily physical activity were measured.ResultsThe participants significantly increased their lower limb muscle mass and their plantar and dorsiflexors isometric strength after training. They reduced the hip abduction/adduction and the pelvic anterior tilt range of motion and variability during gait. However, the participants became less active after the training.SignificanceNMES training of ankle muscles, by increasing ankle muscle mass and strength,modified gait kinematics. NMES training of ankle muscles is feasible and effective to lower the hip implication and increment foot progression angle during gait. Further study should determine if this could lower the risk of falling. |
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| Keywords: | Neuromuscular electrical training Plantarflexors Dorsiflexors Gait kinematics Hip strategy |
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