Alejandro Gómez Bruton

Alejandro Gómez Bruton
University of Zaragoza | UNIZAR · Department of Physical Medicine and Nursing (ENFEZ)

PhD

About

84
Publications
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Publications

Publications (84)
Article
Full-text available
This paper aims to elaborate a decision tree for the early detection of adolescent swimmers at risk of presenting low bone mineral density (BMD), based on easily measurable fitness and performance variables. The BMD of 78 adolescent swimmers was determined using dual-energy X-ray absorptiometry (DXA) scans at the hip and subtotal body. The particip...
Article
Full-text available
The aim was to compare changes in body composition, physical fitness, and bone biomarkers in female children and adolescent football players with different Vitamin D levels. Twenty-two players were classified into two groups according to 25(OH)D concentrations: 11 with deficient/insufficient 25(OH)D levels (IVD; <30 ng/mL) and 11 with sufficient 25...
Article
The aims of this study were (1) to analyse the effects of a 6‐month multicomponent training (MCT) on the physical fitness of older adults with or at risk of frailty; (2) to study the consequences of a 4‐month detraining period; (3) to analyse the influence of frailty status on the training and detraining adaptations. A total of 102 robust, frail an...
Article
Full-text available
Purpose The strict lockdown implemented due the COVID-19 pandemic is generating a great impact on wellbeing and health-related quality of life (HRQoL) in people with cancer. We aimed to evaluate the efficacy and feasibility of an online home-based exercise intervention performed during a lockdown period analysing its effects on body composition, ph...
Poster
Full-text available
1) Investigar la asociación entre algunos factores de la edad temprana con masa corporal magra (MCM) y fuerza de extremidades en una cohorte de niños españoles. Se observaron asociaciones positivas en niñas entre tabaquismo materno (β=0.163;β=0.238), EG (β=0.162; β=0.230) y PN (β=0.170; β=0.276) con IMLG/IMCMT, respectivamente. En niños, IMC matern...
Article
Full-text available
Early life is critical for the programming of body composition. The literature links perinatal factors with fat mass development and its future effects (e.g., obesity); however, little evidence exists between early life factors and lean body mass (LBM). This study follows up on a cohort of 416 Spanish children at ages six to eight, previously evalu...
Article
Full-text available
Background Lean / Fat Free Body Mass (LBM) is metabolically involved in active processes such as resting energy expenditure, glucose uptake, and myokine secretion. Nonetheless, its association with insulin sensitivity / resistance / glucose tolerance and metabolic syndrome remains unclear in childhood. Methods The current investigation aimed to ex...
Article
Objectives: Previous research has shown that the finger flexors´ occlusion threshold (OT) could be different among sport climbers when expressed as a percentage of their maximum finger force (OT%), and that there is no association between the OT% and the climbers´ ability level. The aim of the present study was to evaluate the possible association...
Article
Full-text available
Research in bone health during childhood is limited and important to prevent future diseases, particularly, osteoporosis. Bone parameters using DXA and pQCT in 295 Spanish children were evaluated and we found a benefit of meeting the World Health Organization physical activity recommendations in bone composition in childhood.PurposeTo investigate t...
Article
The present study investigated the associations between physical activity (PA) and physical fitness (PF) with lean body mass (LBM) and evaluated whether PA mediates the association between PF and LBM. 279 children (150 boys) aged 7.5 ± 0.3 years participated in the study. PA was assessed by accelerometry and PF with handgrip and the standing long j...
Article
Full-text available
Introduction: Recent original research and meta-analyses suggest that acute caffeine supplementation improves exercise performance in team-sport athletes (TSA). Nonetheless, most of the studies testing the effects of caffeine on TSA included samples of male athletes, and there is no meta-analysis of the performance-enhancing effects of caffeine on...
Article
Background Physical fitness and body composition are important health indicators, nevertheless their combined pattern inter-relationships and their association with mortality are poorly investigated. Methods This longitudinal study is part of the Spanish EXERNET-Elder project. Person-months follow-up were calculated from the interview date, perfor...
Article
Full-text available
Objective: To provide evidence about the efficacy of a community health intervention through a cognitive stimulation program at long term in older people with mild cognitive impairment. Design: Randomized controlled trial (CONSORT group norms). Location: San José Norte-Centro Primary Care Center and La Caridad Foundation (Zaragoza, Spain). Pa...
Article
Full-text available
Background: Prior to the COVID-19 pandemic, teachers were already reporting a low quality of life (QoL) perception, with a significant impact on mental and physical health due to various stress factors associated with work overload. The objective of this study was to evaluate the QoL impact on Chilean teachers before and during the COVID-19 pandem...
Article
Introduction A vast amount of research has focused on the effects of physical fitness (PF) on mortality, with little research evaluating the effects of PF on future expected health related quality of life (HRQoL). Aim To evaluate how current PF influences future HRQoL measured in a prospective 8-year study in older adults. Methods A total of 617...
Article
Full-text available
Background Skeletal muscle is one of the main components of lean soft tissue mass (LSTM). Low levels in children affect locomotion, posture and increase the risk of metabolic syndrome. Aim (1) To evaluate the association between cross-sectional muscle area (MCSA) of the lower left leg measured by quantitative peripheral computed tomography (pQCT)...
Article
Background: Few studies have evaluated the causes of physical inactivity in rural teachers from South America. Determining the causes and effects of physical inactivity in rural teachers could be the base for future intervention studies aiming to improve physical activity (PA) engagement in this population. Objectives: To examine the levels of P...
Article
Full-text available
This study evaluated the effect of resistance exercise training (RET) on body composition and muscle strength in 16 older women during summer holidays (70.5 ± 8.4 years old; Range 60-87). Exercise sessions were carried out for twelve weeks, two sessions per week, with 60 minutes of exercise per session. We measured body mass index (BMI), fat mass p...
Article
Full-text available
The multicomponent training (MCT) effect on bone health in frail and pre-frail elders, which is influenced by dietary intake, is still unknown. The objective of this non-randomized intervention trial was to assess the effects of a 6-month MCT on bone structure in frail and pre-frail elders, and to analyse the influence of dietary intake and serum v...
Article
Blood flow partially determines specific climbing endurance (SCE) as it mediates oxygen bio-availability in the finger flexors. Blood flow is related to occlusion threshold (OT), which is defined as the contraction intensity at which intramuscular pressure exceeds perfusion blood pressure resulting in the cessation of local blood flow. The OT is re...
Poster
Full-text available
Utilidad de la medición del área de sección transversal del músculo mediante tomografía periférica cuantitativa en la evaluación de la masa libre de grasa en niños y niñas de 6 a 8 años. (1) Evaluar la asociación entre el área de sección transversal del músculo (ASTM) de la pantorrilla izquierda, medida mediante tomografía computarizada cuantitativ...
Article
Full-text available
The main aim was to analyse the associations between several physical fitness variables and bone parameters in a sample of elderly people. 129 participants (94 females and 35 males, 76.2±5.4 y) from the EXERNET cohort of Zaragoza (Spain) were included in the study. Physical fitness was assessed using the Senior Fitness Test Battery. Peripheral quan...
Article
Full-text available
The aims of the present study were (1) to describe the changes in physical fitness during an 8 year follow-up in a large sample of Spanish adults aged 65 or over that are initially engaged in organized physical activity (OPA), (2) to compare fitness changes according to different age groups (65 to 69 vs. 70 to 74 vs. ≥75 years-old), (3) to evaluate...
Article
Background The positive association between physical fitness and bone structure has been widely investigated in children and adolescents, yet no studies have evaluated this influence in young children (ie, preschoolers). Hypothesis Fit children will present improved bone variables when compared with unfit children, and no sex-based differences wil...
Article
Background Whole-body vibration training has recently been proposed as a complementary training modality to improve the bone health of adolescent swimmers. However, there is no longitudinal study regarding the effects of this training combination on bone metabolism. Therefore, the main goal was to analyze the effects of swimming and vibration train...
Article
Muniz-Pardos, B, Gomez-Bruton, A, Matute-Llorente, A, Gonzalez-Aguero, A, Gomez-Cabello, A, Gonzalo-Skok, O, Casajus, JA, and Vicente-Rodriguez, G. Nonspecific resistance training and swimming performance: Strength or power? A systematic review. J Strength Cond Res XX(X): 000-000, 2020-The purpose of this systematic review was to determine the type...
Article
Full-text available
The anthropometric and somatotype evaluation is an essential tool in the selection and control of high-performance athletes. The aim of this study was to describe the somatotype and body composition of male elite race walkers (20 k modality), and its relationship with athletic performance. Twenty-four race walkers participated in this study. The sa...
Article
Background: Mechanical loads exerted by soccer-specific actions increase bone remodeling activity. Nevertheless, little is known about the relationship between plantar pressure and bone structure. Therefore, the aim of this study was to compare bone geometry and strength between soccer players who exhibited different maximum values of the average...
Article
Purpose: To examine the effects of a 6-month whole-body vibration (WBV) training on lower-body strength (LBS), lower-body power (LBP), and swimming performance in adolescent trained swimmers. Methods: Thirty-seven swimmers (23 males and 14 females; 14.8 [1.3] y) were randomly assigned to the WBV (n = 20) or the control group (n = 17). Isometric...
Article
There are different surfaces on which football is played, but their influence on bone mass accretion still remains unknown. The aims of this study were to compare bone mass accretion between football players and controls, and evaluate the influence of two different playing surfaces on bone accretion. A total of 27 male football players (13.2 ± 0.5...
Preprint
Objectives: This paper aims to elaborate a decision tree for the early detection of adolescent swimmers at risk of presenting low bone mineral density (BMD), based on easily measurable fitness and performance variables. Methods: Bone mineral status of 78 adolescent swimmers was determined using DXA scans at the hip and subtotal body. Participants a...
Article
Full-text available
The aims of this study were to assess bone mass in children and adolescent soccer players and to evaluate the influence of both gender and pubertal status on bone mass. A total of 110 soccer players (75 males / 35 females; 12.73 ± 0.65 / 12.76 ± 0.59 years) participated in this cross-sectional study. They were divided into two groups according to t...
Article
Muniz-Pardos, B, Gomez-Bruton, A, Matute-Llorente, A, Gonzalez-Aguero, A, Gomez-Cabello, A, Gonzalo-Skok, O, Casajus, JA, and Vicente-Rodriguez, G. Swim-specific resistance training: A systematic review. J Strength Cond Res XX(X): 000-000, 2019-The purpose of this systematic review was to determine which type of swim-specific training is most benef...
Article
Objective: The current literature about the body composition of elite football referees is scarce and almost non-existent. Therefore, and in order to establish the level of agreement between bioelectrical impedance analysis (BIA) and dual energy X-ray absorptiometry (DXA) in elite football referees, the aim of this study was to compare fat mass (FM...
Article
This study examined (1) the association of dietary energy density from solid (ED S ) and solid plus liquids (ED SL ) with adiposity and cardiometabolic risk factors (CRF) in children with overweight and obesity, (2) the effect of under-reporting on the mentioned associations and (3) whether the association between ED and body composition and CRF is...
Article
Most researchers adjust bone by lean mass when comparing swimmers with controls. This adjustment is done under the assumption that lean affects bone similarly in both groups. Nonetheless, we found that the muscle-bone association is uncoupled in swimmers, and consequently, researchers should avoid this adjustment when evaluating swimmers’ bone.Intr...
Article
Purpose: The aim of this study was to compare bone geometry in adolescent football players and controls. Methods: A total of 107 football players (71 males/36 females; mean age 12.7 ± 0.6/12.7 ± 0.6 years) and 42 controls (20 males/22 females; mean age 13.1 ± 1.4/12.7 ± 1.3 years) participated in this study. Total and trabecular volumetric bone...
Article
Full-text available
Whole-body vibration (WBV) intervention studies and reviews have been increasing lately. However, the results regarding its effects on bone tissue in different populations are still inconclusive. The goal of this overview was to summarize systematic reviews assessing the effects of WBV training on bone parameters. Three electronic databases were sc...
Article
Abstract Context The numbers of vegans and vegetarians have increased in the last decades. However, the impact of these diets on bone health is still under debate. Objective This systematic review and meta-analysis sought to study the impact of vegetarian and vegan diets on bone mineral density (BMD) and fracture risk. Data Sources A systematic s...
Article
The aims of this study were (a) to determine which of the most used anthropometric equations was the most accurate to estimate percentage of body fat (%BF), (b) to develop a new specific anthropometric equation, and (c) to validate this football-specific equation. A total of 126 (13.3±0.6 y) football players (86 males) participated in the present s...
Article
Hanging ability on small depth edges is one of the most limiting factors in climbing. The aim of this study was to assess the reliability and validity of a hanging ability indicator measured on an adjusted depth edge. Forty voluntary sport climbers (34 men) were divided into an advanced group (AG; n = 22) and an elite group (EG; n = 18). Climbers p...
Article
Background: Swimming has no effect on bone mass or structure. Therefore, adolescent swimmers present similar bone strength values when compared to normo-active controls, and lower values when compared to weight-bearing athletes. It thus seems necessary to try to improve bone structure and strength of adolescent swimmers through a weight-bearing in...
Article
The somatotype of athletes has been determined for many sports. However, there are few reports on race walkers and even fewer on female athletes. The aim of this study was to describe the body composition and somatotype of young elite 10km race walkers. Twenty females aged 17.2 ±1.14 and 10 males aged 19.45 ±4.30, who competed in the XVII Pan Ameri...
Article
Full-text available
Conclusion: Soccer may be considered a sport that positively affects bone mass during growth. Pubertal soccer players presented increased bone mass compared to controls or other athletes; however, these bone differences are minimized during the prepubertal stage. What is known: • It has been described that childhood and adolescence are important p...
Article
Purpose: The aims of the present study were to evaluate the effects of a whole-body vibration (WBV) intervention on bone mineral density (BMD), bone mineral content (BMC) and lean mass (LM) in adolescent swimmers. Methods: Forty male and female adolescent swimmers (VIB; mean age 14.2 ± 1.9 years) completed the WBV protocol that consisted of 15 m...
Article
Full-text available
The aims of the present study were, firstly, to evaluate areal bone mineral density (aBMD), bone strength and structure during a swimming season and compare them to those of normo-active controls (CG), and secondly to ascertain whether practising an additional weight-bearing sport other than swimming might improve bone. Twenty-three swimmers who on...
Article
Introduction: Dual X-ray absorptiometry (DXA), air displacement plethysmography (ADP), bioelectrical impedance analysis (BIA) and anthropometry are four body composition methods that have been frequently used for the assessment of body fat percentage (%BF) in athletes. However, the agreement between these methods has not been studied yet in adoles...
Article
Several equations to predict muscle power (MP) from vertical jump height (VJH) have been developed in adults. However, few have been derived in children. We therefore aimed to: 1) evaluate the validity of existing MP estimation equations from a vertical countermovement jump (CMJ) in children and adolescents, and 2) develop and validate a new MP est...
Article
This meta-analysis aims to determine the effects of regular swimming on bone mineral density (BMD) in young adults (18–30 years). A systematic search was performed in Pubmed, SPORTDiscus and the Cochrane Library from the earliest possible year to March 2016. Swimmers were compared to non-athletic controls (CG) and to high-impact athletes (HIGH). Ef...
Article
Purpose: The aim of the present study was to determine which of the published anthropometric equations is the most appropriate to estimate body-fat percentage (BF%) in adolescent swimmers. Method: Eighty-eight swimmers (45 boys, 43 girls) participated in this study. Following the recommendations of the International Society of the Advancement of...
Article
Background Many jumping interventions have been performed in children and adolescents in order to improve bone-related variables and thus, ensure a healthy bone development during these periods and later in life. This systematic review aims to summarize and update present knowledge regarding the effects that jumping interventions may have on bone m...
Article
Full-text available
Background The effects of swimming on bone mineral density (BMD) have been studied by several researchers, with inconsistent results. Aim This meta-analysis aims to determine whether systematic swimming training may influence BMD during childhood and adolescence. Methods A systematic search was performed in PubMed, SPORTDiscus and ClinicalTrials.go...
Article
Full-text available
BACKGROUND: This study investigated which factors influence performance in a short distance swimming test (50-meters) in adolescent swimmers. METHODS: Freestyle 50-meter personal best time (PBT) was registered for 67 swimmers (14.3±2.2 y; 46 males). Handgrip (HG), standing broad jump (SBJ), isometric knee-extension (KE), time to run 30 meters (V30m...
Article
Swimming during adolescence has shown neutral or even negative effects on bone mass. Nevertheless, it is still unknown if these effects are due to swimming or to other factors, such as sedentary behaviors. Introduction Three objectives were described (1) to measure objective physical activity (PA) additional to swimming performed by adolescent swim...
Article
Objectives: The aims of the present study were: (1) to characterize vBMD, bone structure and strength with peripheral quantitative computerized tomography (pQCT) in adolescent swimmers and compare it to normo-active controls (CG); and (2) to evaluate the possible interaction that weight-bearing sports might have on swimmers bone. Design: Cross-s...
Article
Full-text available
Introduction: accurate estimates of the intake of specific nutrients such as calcium (Ca) are crucial to correctly rank or classify subjects in the distribution of intakes. Therefore, we aimed to estimate the relative validity of a food frequency questionnaire (FFQ) for measuring Ca intake in two different groups of healthy adolescents, a normoact...
Article
Aim: This study investigated which factors influence performance in a short distance swimming test (50-meters) in adolescent swimmers. Methods: Freestyle 50-meter personal best time (PBT) was registered for 67 swimmers (14.3 ± 2.2 y; 46 males). Handgrip (HG), standing broad jump (SBJ), isometric knee-extension (KE), time to run 30 meters (V30m),...
Article
Full-text available
Objective. To assess the extent of under reporting (UR) in a group of adolescent swimmers (SWI) compared to normo-active adolescents (CON) and investigate associated variables for each group. Methods. A total of 80 SWI (37 females; 14.3 ? 1.8 y) and 60 CON (23 females; 14.4 ? 2.7 y) were evaluated. Weight, height and waist circumference (WC) were m...
Article
Full-text available
It has been shown that impact loading in sporting activity is highly associated with bone quality. However, information regarding the osteogenic effects of a sport such as football performed on different playing surfaces is scarce. Therefore, the main purpose of this study was to compare variables of bone geometry and strength indexes between male...
Article
The aim was to analyze bone mineral content (BMC) and density (BMD) in regular swimming trained adolescents and the interaction that weigh-bearing sports may have on these values. Bone mass was evaluated by dual energy x-ray absorptiometry (DXA) and quantitative ultrasound (QUS) in 77 swimmers (34 females/43 males) and 52 normoactive controls (CG;...
Article
To ascertain the effects of 21 weeks of circuit training, including plyometric jumps, on cardiorespiratory fitness of youths with Down syndrome (DS).
Article
Aim: To ascertain the effects of 21 weeks of circuit training, including plyometric jumps, on cardiorespiratory fitness of youths with Down syndrome (DS). Methods: Twenty-seven children and adolescents aged 10 to 19 years with DS participated in this study and were divided in two groups: exercise (EXE, n = 14) and control (CON, n = 13). Work time,...
Article
Full-text available
Enviromental factors such as exercise participation and nutrition have often been linked to bone improvements. However, not all sports have the same effects, being non-osteogenic sports such as swimming defined as negative or neutral sports to practice regarding bone mass by some authors, similarly exercisediet interaction in especific groups is st...
Article
Full-text available
Swimming, a sport practiced in hypogravity, has sometimes been associated with decreased bone mass. This systematic review aims to summarize and update present knowledge about the effects of swimming on bone mass, structure and metabolism in order to ascertain the effects of this sport on bone tissue. A literature search was conducted up to April 2...
Data
Quality assessment tool of the cross-sectional included studies. (DOCX)
Data
Quality assessment tool of the included longitudinal studies. (DOCX)
Article
Full-text available
Introduction: Cycling has been associated with decreased bone mass during adolescence. Calcium (Ca) and vitamin D (VitD) intake are associated to bone mass and may be important confounders when studying bone mass. Aim: To clarify the effect that Ca and VitD may have on bone mass in adolescent cyclists. Methods: Bone mineral content (BMC) and d...
Article
Full-text available
Introduction: Adolescence is an important period of nutritional vulnerability due to the increased dietary requirements. Objective: To describe the nutritional status of adolescent cyclist and a group of normoactive controls. Methods: The HELENA Dietary Assessment Tool was used to evaluate the nutritional intake of 20 adolescent cyclists and 1...

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