Sergio Espinar

Sergio Espinar
  • Professor
  • PhD Student at Saint Anthony Catholic University

About

10
Publications
20,726
Reads
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198
Citations
Current institution
Saint Anthony Catholic University
Current position
  • PhD Student

Publications

Publications (10)
Article
Full-text available
Bodybuilding is characterized by high-rates of sport supplementation. This is the first study to compare the supplementation patterns of winners (WB) and non-winners (NWB) among international natural bodybuilders during contest preparation. Fifty-six natural bodybuilders (5 women) (age = 28.85 ± 8.03 years; final body mass = 71.50 ± 10.28 kg), 19 W...
Poster
La tendinopatía del manguito de los rotadores (TR), es el proceso degenerativo de los tejidos de la bursa (Teunis et al., 2014). La TR es reconocida como el tercer desorden más prevalente en esta área, con alta recurrencia y cronicidad (Minagawa et al., 2013). El objetivo de este estudio de 8 semanas fue explorar los efectos de un programa de ejerc...
Article
Full-text available
Managing the body composition of athletes is a common practice in the field of sports nutrition. The loss of body weight (BW) in resistance-trained athletes is mainly conducted for aesthetic reasons (bodybuilding) or performance (powerlifting or weightlifting). The aim of this review is to provide dietary–nutritional strategies for the loss of fat...
Article
The purpose was to analyze the influence of oral contraceptive use on body composition and strength levels in trained women. Twenty-three resistance-trained women participated in this study (age=27.4±3.4 years; fat mass=28.0±5.0%; BMI=22.9±2.7 kg∙m-2). Subjects performed an 8-week non-linear resistance-training program. Participants were assigned t...
Article
Full-text available
Many nutrition practices often used by bodybuilders lack scientific support and can be detrimental to health. Recommendations during the dieting phase are provided in the scientific literature, but little attention has been devoted to bodybuilders during the off-season phase. During the off-season phase, the goal is to increase muscle mass without...
Conference Paper
Full-text available
Oral contraceptives consumption has been identified as a usual strategy for birth control among athletes. Nevertheless, its impact on body composition and sports performance remains unknown due to the heterogeneity in the formulation of these products and individual factors such as the menstrual cycle, age or sports discipline. PURPOSE: The aim of...
Article
Full-text available
Oral contraceptives consumption has been identified as a usual strategy for birth control among athletes. Nevertheless, its impact on body composition and sports performance remains unknown due to the heterogeneity in the formulation of these products and individual factors such as the menstrual cycle, age or sports discipline. PURPOSE: The aim of...
Article
Full-text available
Abstract Background Ketogenic diets (KD) have become a popular method of promoting weight loss. More recently, some have recommended that athletes adhere to ketogenic diets in order to optimize changes in body composition during training. This study evaluated the efficacy of an 8-week ketogenic diet (KD) during energy surplus and resistance trainin...
Article
Full-text available
Nowadays, ketogenic diet (KD) is widely used in body aesthetics for changing body composition, even though there is a lack of research regarding to the possible benefits on muscle hypertrophy. PURPOSE: The purpose of this study was to evaluate the efficacy of an 8-week KD during energy surplus and a resistance training protocol on muscle hypertrop...

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