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The mechanisms and mechanical energy of human gait initiation from the lower-limb joint level perspective

Zhao, Guoping ; Grimmer, Martin ; Seyfarth, Andre (2024)
The mechanisms and mechanical energy of human gait initiation from the lower-limb joint level perspective.
In: Scientific Reports, 2021, 11 (1)
doi: 10.26083/tuprints-00023609
Artikel, Zweitveröffentlichung, Verlagsversion

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Kurzbeschreibung (Abstract)

This study aims to improve our understanding of gait initiation mechanisms and the lower-limb joint mechanical energy contributions. Healthy subjects were instructed to initiate gait on an instrumented track to reach three self-selected target velocities: slow, normal and fast. Lower-limb joint kinematics and kinetics of the first five strides were analyzed. The results show that the initial lateral weight shift is achieved by hip abduction torque on the lifting leg (leading limb). Before the take-off of the leading limb, the forward body movement is initiated by decreasing ankle plantarflexion torque, which results in an inverted pendulum-like passive forward fall. The hip flexion/extension joint has the greatest positive mechanical energy output in the first stride of the leading limb, while the ankle joint contributes the most positive mechanical energy in the first stride of the trailing limb (stance leg). Our results indicate a strong correlation between control of the frontal plane and the sagittal plane joints during gait initiation. The identified mechanisms and the related data can be used as a guideline for improving gait initiation with wearable robots such as exoskeletons and prostheses.

Typ des Eintrags: Artikel
Erschienen: 2024
Autor(en): Zhao, Guoping ; Grimmer, Martin ; Seyfarth, Andre
Art des Eintrags: Zweitveröffentlichung
Titel: The mechanisms and mechanical energy of human gait initiation from the lower-limb joint level perspective
Sprache: Englisch
Publikationsjahr: 30 September 2024
Ort: Darmstadt
Publikationsdatum der Erstveröffentlichung: 18 November 2021
Ort der Erstveröffentlichung: London
Verlag: Springer Nature
Titel der Zeitschrift, Zeitung oder Schriftenreihe: Scientific Reports
Jahrgang/Volume einer Zeitschrift: 11
(Heft-)Nummer: 1
Kollation: 12 Seiten
DOI: 10.26083/tuprints-00023609
URL / URN: https://tuprints.ulb.tu-darmstadt.de/23609
Zugehörige Links:
Herkunft: Zweitveröffentlichung DeepGreen
Kurzbeschreibung (Abstract):

This study aims to improve our understanding of gait initiation mechanisms and the lower-limb joint mechanical energy contributions. Healthy subjects were instructed to initiate gait on an instrumented track to reach three self-selected target velocities: slow, normal and fast. Lower-limb joint kinematics and kinetics of the first five strides were analyzed. The results show that the initial lateral weight shift is achieved by hip abduction torque on the lifting leg (leading limb). Before the take-off of the leading limb, the forward body movement is initiated by decreasing ankle plantarflexion torque, which results in an inverted pendulum-like passive forward fall. The hip flexion/extension joint has the greatest positive mechanical energy output in the first stride of the leading limb, while the ankle joint contributes the most positive mechanical energy in the first stride of the trailing limb (stance leg). Our results indicate a strong correlation between control of the frontal plane and the sagittal plane joints during gait initiation. The identified mechanisms and the related data can be used as a guideline for improving gait initiation with wearable robots such as exoskeletons and prostheses.

Freie Schlagworte: Biomedical engineering, Motor control, Musculoskeletal system, Scientific data
ID-Nummer: Artikel-ID: 22473
Status: Verlagsversion
URN: urn:nbn:de:tuda-tuprints-236091
Sachgruppe der Dewey Dezimalklassifikatin (DDC): 600 Technik, Medizin, angewandte Wissenschaften > 610 Medizin, Gesundheit
700 Künste und Unterhaltung > 796 Sport
Fachbereich(e)/-gebiet(e): 03 Fachbereich Humanwissenschaften
03 Fachbereich Humanwissenschaften > Institut für Sportwissenschaft
03 Fachbereich Humanwissenschaften > Institut für Sportwissenschaft > Sportbiomechanik
Zentrale Einrichtungen
Zentrale Einrichtungen > Centre for Cognitive Science (CCS)
Hinterlegungsdatum: 30 Sep 2024 08:27
Letzte Änderung: 01 Okt 2024 09:47
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