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Updated: May 31, 2026

An Inertial Measurement Unit Based Method to Estimate Hip and Knee Joint Kinematics in Team Sport Athletes on the Field

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Nutrition knowledge in athletes: a systematic review.

Susan Heaney¹, Helen O'Connor, Scott Michael

¹Discipline of Exercise and Sport Science, University of Sydney, Sydney, Australia.

International Journal of Sport Nutrition and Exercise Metabolism

|July 2, 2011

Summary

Athletes

Area of Science:

Sports Nutrition
Nutritional Science
Exercise Physiology

Background:

Nutrition education is crucial for improving athletes' dietary intake and overall performance.
Understanding athletes' current nutrition knowledge is essential for developing effective educational programs.
This review focuses on the knowledge and dietary habits of athletes across various competitive levels.

Purpose of the Study:

To systematically review and benchmark athletes' nutrition knowledge against non-athlete groups.
To determine the impact of nutrition knowledge on athletes' dietary intake.
To identify gaps and limitations in current research on athlete nutrition knowledge.

Main Methods:

A comprehensive literature search was conducted from inception to March 2010.

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Studies included competitive athletes (recreational to elite) aged 13 years and older.

Quantitative data on nutrition knowledge and dietary intake were required; meta-analysis was not performed due to study variability.

Main Results:

Twenty-nine studies met the inclusion criteria, with most published before 2000.
Athletes' nutrition knowledge was comparable to nonathletes but lower than nutrition students.
A weak positive association was found between nutrition knowledge and dietary intake in some studies.

Conclusions:

The relationship between athletes' nutrition knowledge and their dietary intake remains unclear.
There is a significant need for high-quality research employing validated tools to assess nutrition knowledge and its impact.
Future studies should focus on contemporary data and robust methodologies for reliable insights.