Publications by authors named "C Langan-Evans"
Article Synopsis
- The study investigates the relationship between aerobic capacity and performance in mixed martial arts (MMA), focusing on the impact of aerobic variables during sparring bouts.
- Ten MMA participants underwent a treadmill test to measure their maximum oxygen uptake (V̇Omax) and engaged in sparring sessions while their external load and internal intensity were monitored.
- Results showed that higher aerobic capacity (V̇Omax ≥ 53 ml∙kg∙min) correlated with better performance, as indicated by lower perceived exertion and improved load metrics during sparring, suggesting that aerobic training is important for MMA athletes.
Body Mass Management Practices of Olympic Weightlifting Athletes.
Int J Sport Nutr Exerc Metab
January 2025
This study explored the body mass (BM) management practices among competitive male and female Olympic weightlifting athletes, hypothesizing that athletes compete in lighter weight categories than their habitual training weight (i.e., making weight).
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- The Relative Energy Deficiency in Sport (REDs) model, established by the IOC in 2014 and updated in 2023, highlights how low energy availability in athletes can lead to serious health and performance issues.
- Sports practitioners are increasingly diagnosing athletes with REDs based on symptom presentation rather than precise measurements of energy availability, which are difficult to obtain in real-world settings.
- The review critiques the REDs model by noting that it oversimplifies the causes of symptoms, ignores the role of other factors (like psychological stress), and relies on biased diagnostic practices that exclude potential alternative causes.
Female soccer players have been identified as presenting with low energy availability (LEA), though the prevalence of LEA may be overestimated given inaccuracies associated with self-reporting dietary intakes. Accordingly, we aimed to quantify total daily energy expenditure (TDEE) via the doubly labelled water (DLW) method, energy intake (EI) and energy availability (EA). Adolescent female soccer players (n = 45; 16 ± 1 years) completed a 9-10 day 'training camp' representing their national team.
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- - The study explores the effectiveness of a new plant-based protein blend compared to whey protein in promoting myofibrillar protein synthesis (MyoPS) after resistance exercise, given that plant proteins typically have less favorable amino acid profiles.
- - Ten resistance-trained young adults participated in a double-blind trial where they underwent leg exercises and ingested either whey protein or the plant blend, with blood and muscle samples collected to assess amino acid levels and MyoPS rates over several hours.
- - Results showed that while plasma essential amino acid levels were higher after whey protein ingestion, the MyoPS rates after exercising and consuming either protein source were nearly identical, indicating the plant blend can be as effective as whey for muscle synthesis post-exercise