Continuous Analysis of Marathon Running Using Inertial Sensors: Hitting Two Walls? Article Swipe
Frédéric Meyer
,
Mathieu Falbriard
,
Benoît Mariani
,
Kamiar Aminian
,
Grégoire P. Millet
·
YOU?
·
· 2021
· Open Access
·
· DOI: https://doi.org/10.1055/a-1432-2336
YOU?
·
· 2021
· Open Access
·
· DOI: https://doi.org/10.1055/a-1432-2336
Marathon running involves complex mechanisms that cannot be measured with objective metrics or laboratory equipment. The emergence of wearable sensors introduced new opportunities, allowing the continuous recording of relevant parameters. The present study aimed to assess the evolution of stride-by-stride spatio-temporal parameters, stiffness, and foot strike angle during a marathon and determine possible abrupt changes in running patterns. Twelve recreational runners were equipped with a Global Navigation Satellite System watch, and two inertial measurement units clamped on each foot during a marathon race. Data were split into eight 5-km sections and only level parts were analyzed. We observed gradual increases in contact time and duty factor as well as decreases in flight time, swing time, stride length, speed, maximal vertical force and stiffness during the race. Surprisingly, the average foot strike angle decreased during the race, but each participant maintained a rearfoot strike until the end. Two abrupt changes were also detected around km 25 and km 35. These two breaks are possibly due to the alteration of the stretch-shortening cycle combined with physiological limits. This study highlights new measurable phenomena that can only be analyzed through continuous monitoring of runners over a long period of time.
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Metadata
- Type
- article
- Language
- en
- Landing Page
- https://doi.org/10.1055/a-1432-2336
- OA Status
- green
- Cited By
- 27
- References
- 49
- Related Works
- 10
- OpenAlex ID
- https://openalex.org/W3162092996
All OpenAlex metadata
Raw OpenAlex JSON
- OpenAlex ID
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https://openalex.org/W3162092996Canonical identifier for this work in OpenAlex
- DOI
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https://doi.org/10.1055/a-1432-2336Digital Object Identifier
- Title
-
Continuous Analysis of Marathon Running Using Inertial Sensors: Hitting Two Walls?Work title
- Type
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articleOpenAlex work type
- Language
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enPrimary language
- Publication year
-
2021Year of publication
- Publication date
-
2021-05-11Full publication date if available
- Authors
-
Frédéric Meyer, Mathieu Falbriard, Benoît Mariani, Kamiar Aminian, Grégoire P. MilletList of authors in order
- Landing page
-
https://doi.org/10.1055/a-1432-2336Publisher landing page
- Open access
-
YesWhether a free full text is available
- OA status
-
greenOpen access status per OpenAlex
- OA URL
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https://infoscience.epfl.ch/record/285816Direct OA link when available
- Concepts
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STRIDE, Swing, Geodesy, Inertial frame of reference, Inertial measurement unit, Simulation, Physical medicine and rehabilitation, Computer science, Geology, Engineering, Physics, Medicine, Acoustics, Aerospace engineering, Quantum mechanicsTop concepts (fields/topics) attached by OpenAlex
- Cited by
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27Total citation count in OpenAlex
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2025: 5, 2024: 4, 2023: 3, 2022: 15Per-year citation counts (last 5 years)
- References (count)
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49Number of works referenced by this work
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10Other works algorithmically related by OpenAlex
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