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Amanda Young, Seán Healy, Lisa Silliman-French, and Ali Brian

To inform the development of scalable and sustainable fundamental motor skill interventions for children with Down syndrome, this study examined the feasibility and preliminary effectiveness of Project Skill Intervention Implemented by Parents (Project SKIP), a web-based, parent-mediated intervention intended to improve ball skills among children with Down syndrome. Twenty-four families enrolled in the study (including 13 boys and 11 girls; M age = 4.92). Fourteen children were assigned to an experimental group and participated in the 6-week intervention, and 10 children served as the inactive comparison group. The Test of Gross Motor Development-3 was administered preintervention and postintervention. In addition, parents of children in the experimental group completed a postintervention survey to assess their perceptions of Project SKIP. Following the intervention, there was a significant improvement in ball skills (p = .023, d = 0.86) for children in the experimental group, whereas the comparison group did not show significant improvement. Moreover, parents perceived Project SKIP to be feasible and effective; all parents reported being satisfied with their overall experience in the program, and 11 parents indicated that their child’s fundamental motor skills were positively influenced by the intervention. Engagement was high, with the majority of parents (n = 8, 57%) interacting with Project SKIP content three to four times a week.

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Benjamin A. McKay, Jace A. Delaney, Andrew Simpkin, Theresa Larkin, Andrew Murray, Charles R. Pedlar, Nathan A. Lewis, and John A. Sampson

Purpose: To assess associations between a free oxygen radical test (FORT), free oxygen radical defense test (FORD), oxidative stress index, urinary cortisol, countermovement jump (CMJ), and subjective wellness in American college football. Methods: Twenty-three male student athlete American college football players were assessed over 10 weeks: off-season conditioning (3 wk), preseason camp (4 wk), and in season (3 wk). Assessments included a once-weekly FORT and FORD blood sample, urinary cortisol sample, CMJ assessment including flight time, reactive strength index modified and concentric impulse, and a daily subjective wellness questionnaire. Linear mixed models analyzed the effect of a 2 within-subject SD change in the predictor variable on the dependent variable. The effects were interpreted using magnitude-based inference and are presented as standardized effect size (ES) ± 90% confidence intervals. Results: Small negative associations were observed between FORT–flight time, FORT–fatigue, FORT–soreness (ES range = −0.30 to −0.48), FORD–sleep (ES = 0.42 ± 0.29), and oxidative stress index soreness (ES = 0.56 ± 0.29). Small positive associations were observed between FORT–cortisol (ES = 0.36 ± 0.35), FORD–flight time, FORD reactive strength index modified and FORD–soreness (0.37–0.41), oxidative stress index concentric impulse (ES = 0.37 ± 0.28), and with soreness–concentric impulse, soreness–flight time, and soreness reactive strength index modified (0.33–0.59). Moderate positive associations were observed between cortisol–concentric impulse and cortisol–sleep (0.57–0.60). Conclusion:FORT/FORD was associated with CMJ variables and subjective wellness. Greater amounts of subjective soreness were associated with decreased CMJ performance, increased FORT and cortisol, and decreased FORD.

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Masahiro Yamada, Lauren Q. Higgins, and Louisa D. Raisbeck

Although multiple review studies have supported the superior effects of an external compared with internal focus, these reviews are based on performance outcomes. Currently, the literature lacks knowledge regarding the effects of external/internal foci on individuals’ perceptions, which may provide further explanations for how attentional focus affects performance. Therefore, the present study conducted a systematic review of survey/questionnaire data of participants’ thoughts and emotions from laboratory studies. The authors used ERIC, SPORTDiscus, PsycArticle, CINAHL Plus, Health Source Nursing Academic edition, and PubMed search engines. Literature specific to external/internal focus effects on motor learning or performance were reviewed (N = 37). The results showed that participants generally adhered to the assigned attentional focus instruction and there was a trend that preference may affect the attentional focus effects, but the results were inconsistent regarding if attentional focus cues affected the magnitude of adherence and mental demands. There were substantial differences in methodologies and theoretical issues of measuring these data. Future studies should adopt inferential statistics, choose theoretically relevant questions in a priori manner, or, at minimum, propose a hypothesis for the selected question.