Effects of a 10-week running-retraining programme on the foot strike pattern of adolescents: A longitudinal intervention study |
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| Affiliation: | 1. University of Jaen, Spain. C/Sacramento, 7 Úbeda (Jaén), Spain;2. Department of Physical Education and Sport, University of Granada, Spain;3. Department of Physical Education, Sports and Recreation. Universidad de La Frontera, Temuco, Chile;4. I.E.S. Cañada de las Fuentes, Spain;5. University Pablo De Olavide of Seville, Spain;6. University of Jaen, Spain;1. Gait & Motion Analysis Laboratory, Department of Rehabilitation Sciences, The Hong Kong Polytechnic University, Hung Hom, Hong Kong Special Administrative Region;2. Department of Biomedical Engineering, Boston University, Boston, MA, USA;1. Department of Evolutionary Anthropology, Duke University, Box 90383, Durham, NC, 27708-0383, USA;2. Department of Kinesiology and Health Education, The University of Texas at Austin, 2109 San Jacinto Blvd., Stop D3700, Austin, TX, 78712, USA;3. Department of Anthropology, The University of Texas at Austin, 2201 Speedway, Stop C3200, Austin, TX, 78712, USA;1. Department of Physical Therapy, 380 Second Avenue, 4th Floor New York, New York 10010-5615, United States;2. Department of Orthopedic Surgery, NYU School of Medicine, NYU Langone Health, NYU Langone Orthopedic Hospital, 301 East 17th Street, New York, NY 10003, United States;1. Gait & Motion Analysis Laboratory, Department of Rehabilitation Sciences, The Hong Kong Polytechnic University, Hong Kong;2. Faculty of Kinesiology, University of Calgary, Canada;3. School of Health Sciences, Western Sydney University, Australia;4. Department of Kinesiology, Shenyang Sport University, China;5. Li Ning Sports Science Research Center, China |
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| Abstract: | BackgroundThe purpose of this study was to analyse the effects of ten weeks of different running-retraining programmes on rearfoot strike (RFS) prevalence in adolescents.Research questionit is possible to change foot strike pattern in adolescents?MethodsA total of 180 children (45.3% girls), aged 13–16 years, participated in this intervention study. The children were randomly assigned to one of three experimental groups (EGs) that each carried out a different retraining programme, based on running technique (n = 39), a 15% increased step frequency (SF) (n = 37) and barefoot training (n = 30), performed for three days each week. A control group (CG) (n = 43) did not perform any retraining. A 2D video-based analysis (240 Hz) was used to determine the RFS.ResultsAt baseline, no significant differences in RFS prevalence were found between the EGs and the CG in either the left (χ2 = 2.048; p = 0.559) or the right foot (χ2 = 0.898; p = 0.825). In the post-test, no significant differences were found for the left foot (χ2 = 7.102; p = 0.069), but there were significant differences for the right foot (χ2 = 9.239; p = 0.025) were observed. In the re-test, no significant differences were found for either the left foot (χ2 = 2.665; p = 0.273) or the right foot (χ2 = 2.182; p = 0.325). In addition, no group displayed significant changes in RFS prevalence from the pre-test to the re-test. There was a trend towards a reduction in the RFS prevalence in both the increased SF group and the barefoot group.MeaningThe main finding of this study was that certain running-retraining programmes performed three times per week for ten weeks are not enough to modify the adolescent foot strike pattern (FSP). |
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| Keywords: | Retraining Running Foot strike pattern Children |
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