Iva Jurov (Avtor), Vedran Hadžić (Avtor), Samo Rauter (Avtor)

Povzetek

(1) Background: Low energy availability (LEA) has negative effects on performance, but mechanisms, timing, and other circumstances of these effects are not yet established. We aim to assess the performance-related effects of low energy availability in competitive female cyclists with a detailed approach to within-day energy availability (WDEB). (2) Methods: Female competitive cyclists (n = 8) completed the measurement of body composition, resting energy expenditure, and incremental testing; they reported diary logs and used accelerometers for energy availability (EA) calculation. Based on the Low Energy Availability in Females (LEAF) questionnaire, performance and energy parameters were compared between cyclists with risk for relative energy deficiency in sport (RED-S; the LEAF+ group) and cyclists without any risk (LEAF−). (3) Results: 87.5% had EA <30 kcal/kg. EA and energy balance in LEAF– were significantly different from LEAF+ cyclists (U = 0.00, z = −2.00, p < 0.05 and U = 0.00, z = −2.00, p < 0.05, respectively). We found significant correlations between WDEB$_{−300}$ and EA (−0.736, p = 0.037) and energy balance (−0.732, p = 0.039). In addition, relative power output was correlated with mRMR/pRMR (−0.763, p = 0.046). (4) Conclusions: This study is the first to show that WDEB$_{−300}$ in competitive female cyclists is greater in cyclists with risk for RED-S. Increased time in a catabolic state was correlated to worse anaerobic capacity in incremental testing. Measuring mRMR/pRMR might be useful as it was negatively associated with aerobic performance.

Ključne besede

sport;low energy availability;relative energy deficiency;road cycling;within-day energy deficiency;resting energy expenditure;energy balance;female cycling;LEAF questionnaire;

Podatki

Jezik: Angleški jezik
Leto izida:
Tipologija: 1.01 - Izvirni znanstveni članek
Organizacija: UL FŠ - Fakulteta za šport
UDK: 796.61-055.2
COBISS: 35024387 Povezava se bo odprla v novem oknu
ISSN: 2076-3417
Št. ogledov: 157
Št. prenosov: 79
Ocena: 0 (0 glasov)
Metapodatki: JSON JSON-RDF JSON-LD TURTLE N-TRIPLES XML RDFA MICRODATA DC-XML DC-RDF RDF

Ostali podatki

Sekundarni jezik: Slovenski jezik
Sekundarne ključne besede: šport;kolesarstvo;nizka energijska razpoložljivost;sindrom relativnega energijskega primankljaja;cestno kolesarstvo;cestno kolesarjenje;energijski primanjkljaj znotraj dneva;energijska poraba v mirovanju;energijsko ravnovestj;žensko kolesarstvo;LEAF vprašalnik;
Vrsta dela (COBISS): Članek v reviji
Strani: 11 str.
Letnik: ǂVol. ǂ10
Zvezek: ǂiss. ǂ21, ǂart. ǂ7563
Čas izdaje: Oct. 2020
DOI: 10.3390/app10217563
ID: 14381844