K. Laurson, F. Baptista, M. Mahar, G. Welk, K. Janz
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Designing Health-referenced Standards for the Plank Test of Core Muscular Endurance
ABSTRACT We developed plank test standards, based on trunk lean mass-to-fat mass (LM/FM) ratio, in a sample of healthy Portuguese 10–18 year olds (n = 474, 46.4% female). Height and weight were measured and muscular endurance was assessed using the prone plank test. Trunk LM/FM ratio was determined using dual-energy x-ray absorptiometry. Plank standards were derived using receiver operator characteristic curves. Approximately 90% of youth with sufficient trunk LM/FM ratio were categorized into the desirable zone of plank time. Roughly two-thirds of those with trunk LM/FM ratio ≤ 5th percentile were identified within the undesirable zone. The odds of low trunk LM/FM were 6.5 times greater for those in the undesirable zone of plank compared those scoring above the cutpoint (independent of age, sex, or weight status). The standards provided here can be used to identify low trunk LM/FM ratio, which may have implications for balance and spinal health in youth.
期刊介绍:
The scope of Measurement in Physical Education and Exercise Science (MPEES) covers original measurement research, special issues, and tutorials within six substantive disciplines of physical education and exercise science. Six of the seven sections of MPEES define the substantive disciplines within the purview of the original research to be published in the journal: Exercise Science, Physical Activity, Physical Education Pedagogy, Psychology, Research Methodology and Statistics, and Sport Management and Administration. The seventh section of MPEES, Tutorial and Teacher’s Toolbox, serves to provide an outlet for review and/or didactic manuscripts to be published in the journal. Special issues provide an avenue for a coherent set of manuscripts (e.g., four to five) to collectively focus in-depth on an important and timely measurement-related issue within the scope of MPEES. The primary aim of MPEES is to publish high-impact manuscripts, most of which will focus on original research, that fit within the scope of the journal.