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Purpose: Physical literacy (PL) has been proposed as a key construct for understanding participation in physical activity. However, the lack of an agreed-upon definition and measure has hindered re...

Objective: To examine the impact of circus arts instruction in physical education (PE) on the physical literacy of children in Grades 4 and 5. Methods: A clustered, quasi-experimental design was us...

While it is commonly thought that physical literacy is an early 21st-century construct and is often credited to Margaret Whitehead, in fact, the term physical literacy can be traced back to the late 1800s. In this narrative, the authors review descriptions of physical literacy that appeared in the late 19th and early to mid-20th century literature and show how physical literacy is historically tied to the reoccurring contextual issue of threats to active lifestyles and how definitional components of the construct have both remained consistent, while others changed over the course of the century. They conclude by discussing some tensions that have arisen with the Whiteheadian construction of the term, as well as the conflation of the term with fitness or physical education. In doing so, the authors hope to open up greater discussion of the multidisciplinary potential of this construct.

Nutraceuticals may induce doping infractions through contamination of the product itself or their ingestion might be metabolized within the body to create a positive doping control test. We tested this possibility using a commercially available, proprietary ginseng root extract (Cold-FX®, CV Technologies Inc., Edmonton, AB). After athletes ingested Cold-FX© for 28 d at 400 mg/d, urine samples were collected and processed under strict IOC doping control guidelines and then analyzed for a full screen of IOC banned/restricted substances by an IOC-approved laboratory. There were no positive tests for any banned substances in any of the subjects. Our study demonstrates that ingestion of Cold-FX® for 28 d at 400 mg/d does not represent a doping concern for athletes. Carefully controlled clinical studies like this one are necessary to provide the athlete, the nutraceutical industry and IOC regulatory bodies with information to avoid inadvertent exposure to banned/restricted or potentially unhealthy substances.