Prevalence of low energy availability in 25 New Zealand elite female rowers - A cross sectional study

Objectives To quantify energy availability (EA) in elite female rowers, determine its association with bone mineral density (BMD), and examine the ability of the low energy availability in females-questionnaire (LEAF-Q) and brief eating disorder in athletes-questionnaire (BEDA-Q) to distinguish between low and normal EA. Design Observational cross-sectional study. Methods Twenty-five elite female rowers participated in the study. EA was calculated by means of a 4-day food intake diary and analysis of training load. Low energy availability (LEA) was defined as EA < 30 kCal * kg-1 * FFM-1 * day-1. Dual-energy X-ray absorptiometry (DXA) was used to assess fat free mass (FFM) and BMD Z-scores. LEA risk was assessed using the LEAF-Q and BEDA-Q. Results The mean EA was 23.2 ± 12.2 kCal * kg-1 * FFM-1 * day-1. Prevalence of LEA was 64 %. The mean BMD Z-score was 1.6 ± 0.6 (range: 0.7 to 2.9). Athletes with LEA had a significantly higher BEDA-Q score than the group with normal EA (mean 0.30 ± 0.17 vs. 0.09 ± 0.11, P < 0.05), but LEAF-Q score was not different between groups (mean 10.4 ± 4.6, 8.2 ± 4.5, P = 0.29). Conclusion Low energy availability is common amongst elite female rowers in New Zealand and is positively correlated with higher scores on the BEDA-Q. Bone mineral density was normal irrespective of EA status.
© Copyright 2023 Journal of Science and Medicine in Sport. Elsevier. All rights reserved.

Bibliographic Details
Subjects:
Notations:endurance sports biological and medical sciences
Tagging:RED-S Knochendichte Low Energy Availability
Published in:Journal of Science and Medicine in Sport
Language:English
Published: 2023
Online Access:https://doi.org/10.1016/j.jsams.2023.09.016
Volume:26
Issue:12
Pages:640-645
Document types:article
Level:advanced