Theses and Dissertations

Issuing Body

Mississippi State University

Advisor

Conrad, Amanda

Committee Member

Tolar-Peterson, Terezie T.

Committee Member

Mathews, Rahel

Date of Degree

5-12-2023

Document Type

Graduate Thesis - Open Access

Major

Nutrition

Degree Name

Master of Science (M.S.)

College

College of Agriculture and Life Sciences

Department

Department of Food Science, Nutrition and Health Promotion

Department

College of Agriculture and Life Sciences

Abstract

RED-S is a syndrome that stems from low energy availability (LEA) in athletes. It can impact numerous physiological and psychological functions, as well as negatively affect performance. Because RED-S is a relatively new syndrome, there are few studies showing the impact of RED-S on performance and physiological factors. The aim of this systematic review was to examine the consequences of induced LEA in relation to RED-S in male athletes. Following the Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines, Five studies were deemed eligible based on inclusion and exclusion criteria. Studies measured risk of RED-S through body composition, bone mineral density, clinical biomarkers, and performance. Studies ranged in duration from 2- 8 weeks with a decrease in energy availability of 50% or 25%. Of the five studies investigated, data showed significant changes lactate metabolism and IGF-1,non-significant changes in body composition, and inconclusive changes in performance.

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