title: Effects of bilateral and non-dominant practices on the lateral preference in judo matches.
abstract: This study analysed the effects of bilateral and non-dominant practice on novice practitioners' lateral preference for judo skills in a combat context (i.e., randori). Thirty sports sciences students (22 men and 8 women; mean age 19 ± 1 years) with right hand, foot, and counterclockwise rotation preferences were divided into 3 groups: bilateral (BG; n = 8), non-dominant (NDG; n = 11), and control (CG; n = 11). Participants received 8 weeks of training at a rate of 3 days per week. The NDG was trained to perform judo skills exclusive with their non-dominant side, while the BG performed every task symmetrically. Before and after training, participants were recorded during two 3-min randoris to obtain the percentage of their engagement in dominant side actions. Pretest percentages were 73.1 ± 19.9%, 77.8 ± 18.8%, and 68.9 ± 27.2% for BG, NDG, and CG, respectively. Post-test values were 75.0 ± 15.6%, 23.3 ± 27.9%, and 72.2.9 ± 20.4%, respectively. Significant differences were observed between NDG and each of the other groups after the training. Changes from pretest were only significant for NDG (P = 0.003). These results suggest that lateral preference among novice judo practitioners during randori can be modulated by the type of practice.
authors.affiliation: a University of A Coruna, Performance and Health Group , Department of Physical Education and Sport, Faculty of Sports Sciences and Physical Education , A Coruña , Spain.
authors.forename: Eliseo
authors.identifier: http://orcid.org/0000-0002-1212-4188
authors.initials: E
authors.lastname: Iglesias-Soler
authors.affiliation: a University of A Coruna, Performance and Health Group , Department of Physical Education and Sport, Faculty of Sports Sciences and Physical Education , A Coruña , Spain.
authors.forename: Xian
authors.identifier: http://orcid.org/0000-0002-4143-701X
authors.initials: X
authors.lastname: Mayo
authors.affiliation: a University of A Coruna, Performance and Health Group , Department of Physical Education and Sport, Faculty of Sports Sciences and Physical Education , A Coruña , Spain.
authors.forename: Xurxo
authors.initials: X
authors.lastname: Dopico
authors.affiliation: b University of A Coruna, Learning and Human Movement Control Group , Department of Physical Education and Sport, Faculty of Sports Sciences and Physical Education , A Coruña , Spain.
authors.forename: Miguel
authors.identifier: http://orcid.org/0000-0001-5325-503X
authors.initials: M
authors.lastname: Fernández-Del-Olmo
authors.affiliation: a University of A Coruna, Performance and Health Group , Department of Physical Education and Sport, Faculty of Sports Sciences and Physical Education , A Coruña , Spain.
authors.forename: Eduardo
authors.initials: E
authors.lastname: Carballeira
authors.affiliation: a University of A Coruna, Performance and Health Group , Department of Physical Education and Sport, Faculty of Sports Sciences and Physical Education , A Coruña , Spain.
authors.forename: Juan
authors.initials: J
authors.lastname: Fariñas
authors.affiliation: c Advanced Studies Center , University of Playa Ancha , Valparaíso , Chile.
authors.forename: Sergio
authors.initials: S
authors.lastname: Fernández-Uribe
mesh_terms: D054874:Athletic Performance / Q000502:physiology*; D005260:Female; D007839:Functional Laterality / Q000502:physiology*; D006801:Humans; D008297:Male; D016139:Martial Arts / Q000502:physiology*; D009048:Motor Skills / Q000502:physiology*; D064797:Physical Conditioning, Human / Q000379:methods*; D055815:Young Adult
keywords: Laterality; judo; motor learning; skills acquisition; sport skills learning