Energy Status and Body Composition Across a Collegiate Women's Lacrosse Season

Hannah A Zabriskie, Bradley S Currier, Patrick S Harty, Richard A Stecker, Andrew R Jagim, Chad M Kerksick, Hannah A Zabriskie, Bradley S Currier, Patrick S Harty, Richard A Stecker, Andrew R Jagim, Chad M Kerksick

Abstract

Little data is available regarding the energy and nutritional status of female collegiate team sport athletes. Twenty female NCAA Division II lacrosse athletes (mean ± SD: 20.4 ± 1.8 years; 68.8 ± 8.9 kg; 168.4 ± 6.6 cm; 27.9 ± 3% body fat) recorded dietary intake and wore a physical activity monitor over four consecutive days at five different time points (20 days total) during one academic year. Body composition, bone health, and resting metabolic rate were assessed in conjunction with wearing the monitor during off-season, pre-season, and season-play. Body fat percentage decreased slightly during the course of this study (p = 0.037). Total daily energy expenditure (TDEE) (p < 0.001) and activity energy expenditure (AEE) (p = 0.001) energy were found to change significantly over the course of the year, with pre-season training resulting in the highest energy expenditures (TDEE: 2789 ± 391 kcal/day; AEE: 1001 ± 267 kcal/day). Caloric (2124 ± 448 kcal/day), carbohydrate (3.6 ± 1.1 g/kg), and protein (1.2 ± 0.3 g/kg) intake did not change over the course of the year (p > 0.05). Athletes self-reported a moderate negative energy balance (366⁻719 kcal/day) and low energy availability (22.9⁻30.4 kcal/kg FFM) at each measurement period throughout the study. Reported caloric and macronutrient intake was low given the recorded energy expenditure and macronutrient intake recommendations for athletes. Athletic support staff should provide athletes with appropriate fueling strategies, particularly during pre-season training, to adequately meet energy demands.

Keywords: RED-S; calories; energy availability; energy balance; female athletes; gender; health; nutrition; recommendations.

Conflict of interest statement

The authors declare no conflict of interest.

Figures

Figure 1
Figure 1
Overview of research and team activities. DEXA, dual energy X-ray absorptiometry; RMR, resting metabolic rate.

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Source: PubMed

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