The purpose of this investigation was to determine the effect of different types of ankle sprains on the response latency of the peroneus longus and peroneus brevis to an inversion perturbation, as well as the time to complete the perturbation (time to maximum inversion). To create a forced inversion moment of the ankle, an outer sole with fulcrum was used to cause 25 degrees of inversion at the ankle upon landing from a 27 cm step-down task. Forty participants completed the study: 15 participants had no history of any ankle sprain, 15 participants had a history of a lateral ankle sprain, and 10 participants had a history of a high ankle sprain. There was not a significant difference between the injury groups for the latency measurements or the time to maximum inversion. These findings indicate that a previous lateral ankle sprain or high ankle sprain does not affect the latency of the peroneal muscles or the time to complete the inversion range of motion.
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Effects of Inversion Perturbation After Step-Down on the Latency of the Peroneus Longus and Peroneus Brevis
Adam C. Knight and Wendi H. Weimar
Motivational Strategies Used by Exercise Professionals: A Latent Profile Analysis
David Sánchez-Oliva, Antonio L. Palmeira, Eliana V. Carraça, Pedro J. Teixeira, David Markland, and Marlene N. Silva
variety of ways by different individuals. The person-centered approach allows for an evaluation of complex interactions among variables and the identification of how motivational strategies are organized at the within-person level. Specifically, the latent profile approach is used to identify subgroups of
Student Motivation in High School Physical Education: A Latent Profile Analysis Approach
Barbara E. Bechter, James A. Dimmock, Joshua L. Howard, Peter R. Whipp, and Ben Jackson
analytic techniques (e.g., Aelterman, Vansteenkiste, Soenens, & Haerens, 2016 ; Haerens et al., 2010 ; Jackson, Gucciardi, & Dimmock, 2011 ; Wang & Biddle, 2001 ). However, model-based methods—such as the use of latent profile analysis (LPA)—allow for a more sophisticated approach to person
Athletes’ Psychological Needs and Coaches’ Interpersonal Behaviors: A Within-Person Latent Profile Analysis
Stephen Shannon, Garry Prentice, and Gavin Breslin
relationships between people on the aforesaid interactions between needs-supportive and needs-controlling perceptions ( Myers, Ntoumanis, Gunnell, Gucciardi, & Lee, 2018 ). Using latent profile analysis (LPA), the interaction effects in Figure 1 are calculated in a mixture model to extract unobserved latent
Motivational Climate in Physical Education, Achievement Motivation, and Physical Activity: A Latent Interaction Model
Stéphanie Girard, Jérôme St-Amand, and Roch Chouinard
easy for them to provide a precise number. Also, the research member responsible for data collection provided help to calculate the scores when asked by students. Even though the dependent variable is not a latent variable, this should not affect the results because structural equation modeling
Actual and Perceived Motor Competence, Cardiorespiratory Fitness, Physical Activity, and Weight Status in Schoolchildren: Latent Profile and Transition Analyses
Iiris Kolunsarka, Arto Gråstén, Mikko Huhtiniemi, and Timo Jaakkola
( Oluwagbemigun et al., 2019 ) over time. This is one reason why studies utilizing sophisticated person-oriented statistical methods are needed. Unlike traditional variable-oriented methods, person-oriented methods (e.g., latent profile analysis) use latent variables and enable the description of population
Children’s Motivation Profiles in Sports and Physical Activities: A Latent Profile Analysis and Self-Determination Theory Approach
Annette Lohbeck, Andreas Hohmann, Philipp von Keitz, and Monika Daseking
al., 2020 ). However, most of those studies have been variable-centered and based on student samples in middle or late childhood (see Saugy et al., 2020 for an overview). Consequently, little is still known about latent motivation profiles based on SDT in sports and physical activities of children in
Judokas Exhibit Short Response Latency Even to Non-Judo-Specific External Perturbation: Insights Into the Involuntary Postural Control Ability in Humans
Natsuki Sado, Norihisa Fujii, Eri Nonaka, and Terumitsu Miyazaki
the types of daily undertaken motor tasks, the temporal aspects might also be able to adaptively change; however, adaptation in the temporal aspects is unclear. A comparison of the response latency between ballet dancers and untrained individuals showed the insignificance of intergroup differences in
Sport Participation, Extracurricular Activity Involvement, and Psychological Distress: A Latent Class Analysis of Canadian High School Student-Athletes
Camille Sabourin, Stéphanie Turgeon, Laura Martin, Scott Rathwell, Mark Bruner, John Cairney, and Martin Camiré
activity involvement, and psychological distress through a latent class analysis (LCA) with a sample of Canadian high school student-athletes. In consideration of the mixed findings in the literature as it relates to the overscheduling hypothesis, we hypothesized that participants with a wider breadth of
Longitudinal Associations Between Athletes’ Psychological Needs and Burnout Across a Competitive Season: A Latent Difference Score Analysis
Stephen Shannon, Garry Prentice, Noel Brick, Gerard Leavey, and Gavin Breslin
( Madigan et al., 2020 ), and self-determined motivation ( Cresswell & Eklund, 2006 ; Lonsdale & Hodge, 2011 ) showing significant relationships with burnout. Figure 1 —Hypothesized latent change score Model 1 including competence satisfaction and burnout as predictor and outcome variables. Note: Six
