Effects of experimentally induced fatigue on healthy older adults’ gait: A systematic review

Autoři: Paulo Cezar Rocha dos Santos aff001;  Fabio Augusto Barbieri aff003;  Inge Zijdewind aff004;  Lilian Teresa Bucken Gobbi aff002;  Claudine Lamoth aff001;  Tibor Hortobágyi aff001
Působiště autorů: Center for Human Movement Sciences, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands aff001;  Posture and Gait Studies Laboratory (LEPLO), Graduate Program in Movement Sciences, Institute of Biosciences, São Paulo State University (UNESP), Rio Claro, Brazil aff002;  Human Movement Research Laboratory (MOVI-LAB), Graduate Program in Movement Sciences, Department of Physical Education, São Paulo State University (UNESP), Bauru, Brazil aff003;  Department of Biomedical Sciences of Cells and Systems, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands aff004
Vyšlo v časopise: PLoS ONE 14(12)
Kategorie: Research Article
doi: https://doi.org/10.1371/journal.pone.0226939



While fatigue is ubiquitous in old age and visibly interferes with mobility, studies have not yet examined the effects of self-reported fatigue on healthy older adults’ gait. As a model that simulates this daily phenomenon, we systematically reviewed eleven studies that compared the effects of experimentally induced muscle and mental performance fatigability on gait kinematics, variability, kinetics, and muscle activity in healthy older adults.


We searched for studies in databases (PubMed and Web of Science) using Fatigue, Gait, and Clinical conditions as the main terms and extracted the data only from studies that experimentally induced fatigue by sustained muscle or mental activities in healthy older adults.


Eleven studies were included. After muscle performance fatigability, six of nine studies observed increases in stride length, width, gait velocity (Effect Size [ES] range: 0.30 to 1.22), inter-stride trunk acceleration variability (ES: 2.06), and ankle muscle coactivation during gait (ES: 0.59, n = 1 study). After sustained mental activity, the coefficient of variation of stride outcomes increased (ES: 0.59 to 0.67, n = 1 study) during dual-task but not single-task walking.


Muscle performance fatigability affects spatial and temporal features of gait and, mainly, inter-stride trunk acceleration variability. In contrast, sustained mental activity tends only to affect step variability during dual tasking. A critical and immediate step for future studies is to determine the effects of self-reported fatigue on gait biomechanics and variability in healthy older adults to verify the viability of experimentally induced fatigue as a model for the study of gait adaptability in old age.

Klíčová slova:

Acceleration – Ankles – Elderly – Fatigue – Gait analysis – Kinematics – Knees – Walking


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