Biomechanics of World-Class 800 m Women at the 2017 IAAF World Championships

Hanley, Brian; Merlino, Stéphane; Bissas, Athanassios

doi:10.3389/fspor.2022.834813

Cited by 4 publications

(4 citation statements)

References 30 publications

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“…The descriptive analysis confirmed this hypothesis, as the mean cadence was found to be 185.5 steps per minute. This finding is consistent with the analysis of the London 2017 World Championships Marathon, where the mean cadence of the eight finalists was 183.15 [27], indicating results similar to those of this study. These cadence values were higher than those observed in long-distance trained athletes [21] and recreational runners [28], where the mean cadence of the analysed samples did not exceed 180 steps per minute.…”

Section: Discussionsupporting

confidence: 92%

Footstrike Pattern and Cadence of the Marathon Athletes at the Tokyo 2020 Olympic Games

Gamez-Paya,

Aladro-Gonzalvo,

Marcos

et al. 2023

Applied Sciences

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Background: The footstrike pattern and cadence are two crucial variables associated with sports performance and injury risks. This study aimed to analyze the footstrike pattern and cadence of male elite athletes who participated in the Tokyo Olympic Games marathon. Methods: Two independent researchers examined the footstrike pattern of the first 51 participants at the 5 km mark of the race. Additionally, the cadences of the top eight athletes (finalists) were analyzed in three different segments of the race (10–20 km, 20–30 km, and 30–40 km). Descriptive statistics were used to present the main variables, and a repeated-measures ANOVA was conducted to explore cadence differences among race sections (p < 0.05). Results: The mean cadence of the eight finalists was 185.5 steps per minute (SD ± 5.1), and no significant differences were observed among race sections. The most common footstrike pattern was midfoot strike, followed by rearfoot strike, then forefoot strike. The cadence results are consistent with previous studies examining elite athletes, indicating higher values compared with research involving recreational runners. Conclusions: Most elite marathon athletes adopt a non-rearfoot strike pattern and maintain a cadence of more than 185 steps per minute.

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Section: Discussionsupporting

confidence: 92%

Footstrike Pattern and Cadence of the Marathon Athletes at the Tokyo 2020 Olympic Games

Gamez-Paya,

Aladro-Gonzalvo,

Marcos

et al. 2023

Applied Sciences

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show abstract

“…After the descriptive analysis this hypothesis was validated as the average was 185.5 steps per minute. In the analysis of the London 2017 World Championships Marathon, the average of the eight finalists was 183.15 [28], similar to the results obtained in this study. These values are higher than the cadence results obtained in long-distance trained athletes [21] and recreational runners [29] in which the average of the sample analysed does not exceed 180 steps per minute.…”

Section: Discussionsupporting

confidence: 86%

Foot Strike Pattern and Cadence of the Marathon Athletes at the Tokyo 2020 Olympic Games: An Approach To Analyse Performance

Gámez-Payá¹,

Alardo-Gonzalvo²,

Gallego³

et al. 2023

Preprint

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(1) Background: Foot strike pattern and cadence are two important variables that are related to sport performance and injury risks; the objective of this study is to analyse the foot strike pattern and cadence of the male elite athlete that participated in the Tokyo Olympic Games marathon. (2) Methods: Two independent researchers analysed the foot strike pattern of the first 51 participants in the 5km, and the cadence of the finalists in three different segments of the race. Descriptive statistics were presented for the main variables of this study. A repeated measures ANOVA was used to study the differences in cadence between different sections of the race (p&lt;0.05). (3) Results: Average of the cadence of the eight finalists was 185.5 steps per minute (SD ± 5.1). No differences between sections of the race were found. The more most common foot strike pattern was midfoot strike pattern, followed by rearfoot strike pattern, and forefoot strike pattern. The results of cadence are in line with previous studies that analysed elite athletes, with the values being higher than other research involving recreational runners. (4) Conclusions: elite marathon runners mostly run with a running non-rearfoot strike pattern and a cadence of over 185 steps per minute.

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“…A more vertical shank angle at ground contact has been associated with better running performance and minimizes horizontal braking, which has been associated with better running economy and performance in distance runners ( 16 ). Furthermore, between laps one and two of an 800 m, the faster of the two laps presented a more vertical shank angle at ground contact in female distance runners at the world athletics championships ( 47 ). Our findings of a more vertically oriented shank in the collegiate group compared with recreational therefore, could be a biomechanical contributor to their faster running speeds.…”

Section: Discussionmentioning

confidence: 99%

Injury and performance related biomechanical differences between recreational and collegiate runners

Evans,

Moffit,

Mitchell

et al. 2023

Front. Sports Act. Living

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IntroductionRunning related injuries (RRI) are common, but factors contributing to running performance and RRIs are not commonly compared between different types of runners.MethodsWe compared running biomechanics previously linked to RRIs and performance between 27 recreational and 35 collegiate runners. Participants completed 5 overground running trials with their dominant limb striking a force plate, while outfitted with standardised footwear and 3-dimensional motion capture markers.ResultsPost hoc comparisons revealed recreational runners had a larger vertical loading rate (194.5 vs. 111.5 BW/s, p < 0.001) and shank angle (6.80 vs. 2.09, p < 0.001) compared with the collegiate runners who demonstrated greater vertical impulse (0.349 vs. 0.233 BWs, p < 0.001), negative impulse (−0.022 vs. −0.013 BWs, p < 0.001), positive impulse (0.024 vs. 0.014 BWs, p < 0.001), and propulsive force (0.390 vs. 0.333 BW, p = 0.002). Adjusted for speed, collegiate runners demonstrated greater total support moment (TSM), plantar flexor moment, knee extensor moment, hip extensor moment, and had greater proportional plantar flexor moment contribution and less knee extensor moment contribution to the TSM compared with recreational runners. Unadjusted for speed, collegiate runners compared with recreational had greater TSM and plantar flexor moment but similar joint contributions to the TSM.DiscussionGreater ankle joint contribution may be more efficient and allow for greater capacity to increase speed. Improving plantarflexor function during running provides a strategy to improve running speed among recreational runners. Moreover, differences in joint kinetics and ground reaction force characteristics suggests that recreational and collegiate runners may experience different types of RRI.

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Biomechanics of World-Class 800 m Women at the 2017 IAAF World Championships

Cited by 4 publications

References 30 publications

Footstrike Pattern and Cadence of the Marathon Athletes at the Tokyo 2020 Olympic Games

Footstrike Pattern and Cadence of the Marathon Athletes at the Tokyo 2020 Olympic Games

Foot Strike Pattern and Cadence of the Marathon Athletes at the Tokyo 2020 Olympic Games: An Approach To Analyse Performance

Injury and performance related biomechanical differences between recreational and collegiate runners

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