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Gait Asymmetry During 400- to 1000-m High-Intensity Track Running in Relation to Injury History
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Titel: |
Gait Asymmetry During 400- to 1000-m High-Intensity Track Running in Relation to Injury History |
In: | International Journal of Sports Physiology and Performance, 12, 2017, s2, S. S2-157-S2-160 |
veröffentlicht: |
Human Kinetics
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Umfang: | S2-157-S2-160 |
ISSN: |
1555-0273 1555-0265 |
DOI: | 10.1123/ijspp.2016-0379 |
Zusammenfassung: | <jats:sec sec-type="purpose"><jats:title>Purpose:</jats:title><jats:p>To quantify gait asymmetry in well-trained runners with and without previous injuries during interval training sessions incorporating different distances.</jats:p></jats:sec><jats:sec sec-type="methods"><jats:title>Methods:</jats:title><jats:p>Twelve well-trained runners participated in 8 high-intensity interval-training sessions on a synthetic track over a 4-wk period. The training consisted of 10 × 400, 8 × 600, 7 × 800, and 6 × 1000-m running. Using an inertial measurement unit, the ground-contact time (GCT) of every step was recorded. To determine gait asymmetry, the GCTs between the left and right foot were compared.</jats:p></jats:sec><jats:sec sec-type="results"><jats:title>Results:</jats:title><jats:p>Overall, gait asymmetry was 3.3% ± 1.4%, and over the course of a training session, the gait asymmetry did not change (<jats:italic>F</jats:italic><jats:sub>1,33</jats:sub> = 1.673, <jats:italic>P</jats:italic> = .205). The gait asymmetry of the athletes with a previous history of injury was significantly greater than that of the athletes without a previous injury. However, this injury-related enlarged asymmetry was detectable only at short (400 m), but not at longer, distances (600–1000 m).</jats:p></jats:sec><jats:sec sec-type="conclusion"><jats:title>Conclusion:</jats:title><jats:p>The gait asymmetry of well-trained athletes differed, depending on their history of injury and the running distance. To detect gait asymmetries, high-intensity runs over relatively short distances are recommended.</jats:p></jats:sec> |
Format: | E-Article |
Quelle: | Human Kinetics (CrossRef) |
Sprache: | Unbestimmt |