Francisco Corbi

Francisco Corbi
National Institute of Physical Education (INEFC) · Faculty of Health Sciences

PhD

About

85
Publications
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339
Citations

Publications

Publications (85)
Article
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Purpose: To review the main physical aspects that could positively or negatively influence serve velocity (SV). Methods: An examination of existing literature including studies analyzing positive (biomechanical aspects, anthropometrics, range of motion, strength, and power) and negative (competition-induced fatigue) associations to SV are summar...
Article
This study aimed to investigate the associations between serve velocity (SV), maximal absolute and relative isometric voluntary contraction (MVC and RMVC), peak rate of force development (PRFD), rate of force development (RFD) and impulse (IMP) at different stages of contraction (≤200 ms). Sixteen players per- formed four maximum isometric tests in...
Article
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Osgood-Schlatter disease is the most common osteochondritis of the lower limb in sport-practicing children and adolescents. Its manifestation usually coincides with the appearance of the secondary ossification center of the tibia and is linked to the practice of sports with an explosive component. In the present study, a review of the factors relat...
Article
Full-text available
Osgood‐Schlatter disease is the most common osteochondritis of the lower limb in sport‐ practicing children and adolescents. Its manifestation usually coincides with the appearance of the secondary ossification center of the tibia and is linked to the practice of sports with an explosive component. In the present study, a review of the factors rela...
Article
Full-text available
Background: Water-polo is the water sport with the highest incidence of injuries, with shoulder pain being the most common one. The understanding of risk factors and guidance on preventive measures is essential in this sport discipline. The aim of this study was to determine the effects of a specific 6-week training plan on range of motion (ROM) a...
Article
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This study examined the alterations induced by a simulated tennis competition on maximal isometric voluntary contraction (MVC), peak rate of force development (PRFD) and rate of force development (RFD) at different stages of contraction. Twenty junior tennis players performed an 80-minute simulated tennis match and two (pre and post) muscular perfo...
Article
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The goal of this study was to investigate side-to-side differences and asymmetries regarding muscle characteristics in young tennis players. Thirty-four participants performed contractile property measurements (stiffness, tone, elasticity and time to relaxation) on the dominant and non-dominant extremities including nine muscle groups involved in t...
Article
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This study aimed (i) to analyse the associations between serve velocity (SV) and anthropometric, ball impact and landing location parameters in total serves (TS) and fastest serves (FS) performed during an ATP Tour event; (ii) to observe differences between first (S1) and second (S2) serves, and (iii) to determine a SV prediction model based on the...
Article
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In the field of sports psychology and more specifically within elite sports, the influence that mood states have on performance is of great interest. This study investigated the relationship between professional basketball variables and mood profile throughout a competitive period. Twelve professional players were divided into two groups: starting...
Article
Purpose: (1) To analyze the associations between serve velocity (SV) and various single-joint upper-limb isometric force-time curve parameters, (2) to develop a prediction model based on the relationship between these variables, and (3) to determine whether these factors are capable of discriminating between tennis players with different SV perfor...
Article
The aim of the present study was to examine the maturational status differences in neuromuscular performance of young tennis players. One-hundred and fifty-five junior tennis players (91 boys and 64 girls; age 13.1 ± 2.2 years, body mass 50.0 ± 12.2 kg, height 159.7 ± 12.4 cm, estimated age at peak height velocity (PHV) 12.7 ± 1.6 years) participat...
Article
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The objective of this study was to analyze the effects of two 8-week neuromuscular training (NMT) interventions on selected physical indicators in young tennis players. Twenty-four junior male tennis players were assigned to a machine-based (MG) (n = 8), flywheel (FG) (n = 8) or a control training group (CG) (n = 8). Tests at baseline, week 4 and 8...
Article
Purpose: To examine the ability of a multivariate model to predict maximal oxygen consumption (VO2max) using performance data from a 5-minute maximal test (5MT). Methods: Forty-six road cyclists (age 38 [9] y, height 177 [9] cm, weight 71.4 [8.6] kg, VO2max 61.13 [9.05] mL/kg/min) completed a graded exercise test to assess VO2max and power output....
Article
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Background and Objectives: The aim of the present study was to compare the impact of an incremental exercise test on muscle stiffness in the rectus femoris (RF), vastus lateralis (VL), biceps femoris (BF), and gastrocnemius (GL) among road cyclists of three performance levels. Materials and Methods: The study group consisted of 35 cyclists grouped...
Article
Sitko, S, Cirer-Sastre, R, Corbi, F, and López-Laval, I. Functional threshold power as an alternative to lactate thresholds in road cycling. J Strength Cond Res XX(X): 000-000, 2021-This study assessed the relationship between functional threshold power (FTP) and 7 lactate landmarks (Dmax, modified Dmax, fixed blood lactate concentrations of 2 and...
Article
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Background Central and peripheric fatigue indicators are among the main reasons for performance decline following competition. Because of the impact of these factors on performance, how these variables are affected by match-play could be of interest, especially in young tennis players. Objective This study aimed to investigate alterations induced...
Article
BACKGROUND The purpose of this study was to assess the relationship between power output and relative power output at the functional threshold power, ventilatory threshold and respiratory compensation point in road cyclists. METHODS Forty-six road cyclists (age 38 ± 9 years; height 177 ± 9 cm; body mass 71.4 ± 8.6 kg; body mass index 22.7 ± 2.2 kg...
Article
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ABSTRACT The aim of this study was to determine the relationship between different load assessment methods in a professional basketball team. Twelve professional basketball players of the same team were subjected to the same training plan design and were monitored daily with heart rate monitors, GPS tools and perceived exertion scales. Results sugg...
Article
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To examine the exercise-induced release of cardiac troponin T (cTnT) in adolescent and adult swimmers. Thirty-two trained male (18 adolescents, 14 adults) swam at maximal pace in a 45 min distance-trial, and blood samples were drown before, immediately and 3 hours after exer-cise for subsequent cTnT analysis and comparison. Having comparable traini...
Article
Background Plantar hyperkeratotic lesions are prevalent foot problems in the older population, affecting 30% to 65% of people older than 65 years. Their onset is a common cause of foot pain due to the release of inflammatory mediators. Because of its simplicity, scalpel debridement is the most common treatment. We assessed how the degree of plantar...
Article
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Objectives To determine the influence of maturational status on the release of cardiac troponin T (cTnT) induced by a bout of 30 min, high-intensity, continuous exercise. Design Quasi-experimental, cross-sectional study. Methods Seventy male, young, well trained swimmers (age range 7–18 years, training experience 1–11 years) were classified by matu...
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Introduction: Low-carbohydrate diets are frequently used to improve performance in endurance sports, often with contradictory results. This study aimed to assess whether a low-carbohydrate diet can outperform an isocaloric conventional diet for improving body composition and performance in a sample of twenty-six trained male road cyclists (previou...
Article
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BACKGROUND: Instruments that measure velocity variations during training have become indispensable. The aim of this study was to measure the concurrent validity and reliability of an accelerometer for controlling real time maximal velocity (Vmax) in straight punches. METHODS: Forty boxers were recruited for the study. Starting from their natural a...
Article
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Nowadays, the evaluation of physiological characteristics and training load quantification in road cycling is frequently performed through power meter data analyses, but the scientific evidence behind this tool is scarce and often contradictory. The aim of this paper is to review the literature related to power profiling, functional threshold testi...
Article
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To physical activity after PA interventions. This study aimed to test the effectiveness of a long-term physical exercise programme in postmenopausal women. Methods: Longitudinal design. Thirty-two women participated in this study (age 61.6 years). At the beginning of the study, an evaluation of participants’ physical condition, adherence to the M...
Article
Background: This study assessed heart rate variability (HRV) after a single power strength training session performed at different hypoxic levels. Materials and Methods: Eight physically active subjects (31.1 ± 4.3 years; 177.6 ± 3.0 cm; 70.1 ± 5.2 kg) performed 6 bouts of 15-second continuous maximal jump exercises interspersed by 3 minutes of re...
Article
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The objective of this study is to assess the relationship between the results obtained on different vertical jump tests and the top score recorded during a BMX (Bicycle Mo-to-Cross) test and the rider's performance. To do so, 10 BMX pilots participated in this study; 5 regarded as the élite group (EG) (age: 18.8 ± 3.7, weight: 68.4 ± 8.5 kg, height...
Article
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The main aim of this study was to investigate the acute effects of the use of a weighting set (Powerinstep®) on measures of stroke velocity (StV), accuracy and change of direction speed (CODS) in junior tennis players. A within-subjects design was used to evaluate seventeen (6 female and 11 male) tennis players (mean ± SD; 16.5 ± 1.3 years old; 1.7...
Article
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Objective The main aim of this study was to establish the relationship between strength, power characteristics, individual muscle stiffness, international tennis number (ITN), and stroke velocity (StV) in junior tennis players.Methods Twenty one junior male tennis players (mean ± SD; age, 17.0 ± 0.8 years; height, 1.8 ± 0.1 m; body mass, 72.3 ± 5.8...
Article
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The objective of this study was to compare the release of cardiac troponin T (cTnT) after a football 7 match between two cohorts of children and adult players. Thirty-six male football players (children = 24, adult = 12) played a football 7 match, and cTnT was measured before, and 3 h after exercise. Concentrations of cTnT were compared between gro...
Article
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Excellent postural control is essential to improve physical performance of athletes. Stability of the body during motor tasks depends on different physiological systems. The influence of dental occlusion on body balance has been widely investigated in the past few years. It has been suggested that this relationship is strengthened by disturbing env...
Article
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Training load (TL) metrics are usually assessed to estimate the individual, physiological and psychological, acute, and adaptive responses to training. Cardiac troponins (cTn) reflect myocardial damage and are routinely analyzed for the clinical diagnosis of myocardial injury. The association between TL and post-exercise cTn elevations is scarcely...
Article
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BACKGROUND: Cycling sportives have become increasingly popular in the last years. With over 11000 participants, the Quebrantahuesos (Qh), is one of the most prominent cycling events in Europe and its ever-growing competitive nature has increased the physiological demands required to obtain a great result. The objectives of the current study were to...
Article
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Cycling can facilitate daily physical activity. Several studies have investigated the relationship between active displacement and healthy lifestyles. However, very few studies examine the relationship just between cycling and adherence to the Mediterranean diet. The objective of this study was to evaluate the relationship between bicycle displacem...
Data
Summary of the studies included in the revision: Respiratory muscle training and performance in hypoxia. RMT, respiratory muscle training; VO2max, maximal oxygen uptake; resp/d, respirations per day; MIP, maximal inspiratory pressure; MVV, maximal volume ventilation; TT, time trial; N/A, not available; FiO2, inspired fraction of oxygen; n, number o...
Article
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Respiratory/inspiratory muscle training (RMT/IMT) has been proposed to improve the endurance performance of athletes in normoxia. In recent years, due to the increased use of hypoxic training method among athletes, the RMT applicability has also been tested as a method to minimize adverse effects since hyperventilation may cause respiratory muscle...
Article
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Purpose: The authors evaluated the impact of acute exercise and 24-hour recovery on serum concentration of cardiac troponins T and I (cTnT and cTnI) and N-terminal fragment of the prohormone brain natriuretic peptide (NT-proBNP) in healthy children and adolescents. The authors also determined the proportion of participants exceeding the upper refe...
Article
Full-text available
Background: Plantar hyperkeratotic lesions are one of the most prevalent foot problems among older people. Because of its simplicity, the most common treatment is scalpel debridement. While some studies have analysed its effectiveness in the short term or among other population groups, none has analysed its effects in the medium term. The aim of th...
Article
Abstract Hyperkeratoses are a common cause of foot pain due to the release of inflammatory mediators, which can have an impact on the mobility and independence of people suffering from them. However, the repercussions that hyperkeratoses have on gait parameters remain uncertain. Aim The aim of this study is to analyze the repercussions that planta...
Article
Full-text available
In team sports, the study of heart rate (HR) is fundamental for optimizing performance and preventing injuries since it allows us to learn about some of the physiological demands generated by doing sport and the level of internal load. The purpose of this study was to explore the relationship between HR and the scoreboard for the game as well as th...
Article
Full-text available
In team sports, the study of heart rate (HR) is fundamental for optimizing performance and preventing injuries since it allows us to learn about some of the physiological demands generated by doing sport and the level of internal load. The purpose of this study was to explore the relationship between HR and the scoreboard for the game as well a...
Article
Full-text available
In team sports, the study of heart rate (HR) is fundamental for optimizing performance and preventing injuries since it allows us to learn about some of the physiological demands generated by doing sport and the level of internal load. The purpose of this study was to explore the relationship between HR and the scoreboard for the game as well as th...
Article
Tactile information picked up by plantar receptors provides afferent sensory information that is fundamental for controlling body balance. Plantar hyperkeratoses may alter the quality and quantity of such information, thereby modifying balance. Aim Analyse how plantar hyperkeratosis debridement affects olders’ static body balance. Methods In orde...
Article
Full-text available
Background: The patterns of activation of the leg musculature can be altered after suffering from a sprained ankle, which can contribute negatively to the biomechanics of the leg. Ankle sprains can generate changes in muscle electromyographic activity in both the thigh and ankle regions, for which physiotherapy is the most common treatment. This st...
Article
Full-text available
La velocidad de golpeo es uno de los factores fundamentales para el rendimiento en tenis competitivo. El objetivo del estudio fue determinar el efecto de dos métodos de entrenamiento de fuerza sobre la velocidad de golpeo en tenis. 20 jugadores de nivel regional (promedio ± SD: edad 15.5 ± 0.9 años; peso 61.4 ± 7.6 Kg; talla 170.3 ± 9.4 cm) fueron...
Article
Full-text available
There is solid evidence on the cross-training phenomenon, but the training load required to achieve it has yet to be established. The aim of this meta-analysis was to deduce which unilateral strength training load (duration, frequency, intensity, rest and type) would enable the biggest strength increases to be obtained in the inactive contralateral...
Article
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Background: Plantar hyperkeratotic lesions are very common among the older population. Very little has been documented on the frequency or distribution of such lesions. The aim of this study is to analyse the location of plantar hyperkeratoses in a group of the older population, defining the patterns of the most significant manifestations thereof a...
Article
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Resumen El objetivo de esta revisión es analizar la influencia de la sensibilidad plantar en la mejora de la capacidad de reequilibración y de gestión del movimiento, analizando los mecanismos que permiten valorarla y describiendo los factores que en ella influyen. Para ello se realizó una búsqueda sistemática de la bibliografía publicada entre 200...
Article
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The aims of this study were to analyze the relationship between maximum isometric strength levels in different upper and lower limb joints and serve velocity in competitive tennis players as well as to develop a prediction model based on this information. Twelve male competitive tennis players (mean ± SD; age: 17.2 ± 1.0 years; body height: 180.1 ±...
Article
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A partir del estudio de las variables cinemáticas relacionadas con la carrera podemos obtener información útil que nos permita optimizar el rendimiento y prevenir las lesiones. Parece existir cierto grado de interrelación entre algunas de estas variables y el tipo de pie. Entre las diversas metodologías para la clasificación estática del pie destac...
Article
This study compared subjective effort perception with objective physiological measures during high-intensive intermittent exercise performed in normoxia, moderate hypoxia (FiO2: 16.5%) and severe hypoxia (FiO2: 13.5%). Sixteen physically active subjects performed an equal training session on three different days. Training consisted of 6 "all-out" s...
Article
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Introduction: The aim of the present study was to understand the development of hydration needs during a playoff stint, in a match situation, for an amateur women’s basketball team. In addition, the existence of possible differences in the level of dehydration according to playing position was analyzed. Material and Methods: Pilot study with singl...
Article
In this review article the authors analyze the causes and different types of treatment of plantar hyperkeratosis.
Article
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Objective: Training high-living low model has been studied as an intermittent hypoxic training (IHT) for anaerobic performance improvement. To test the hypothesis that a high-intensity circuit strength training (CST) performed in hypoxia increases the anaerobic running performance at sea level. Equipment and methods: Twelve sub-elite male 400-m run...
Article
Full-text available
Background Low back pain is the highest reported musculoskeletal problem worldwide. Up to 90 % of patients with low back pain have no clear explanation for the source and origin of their pain. These individuals commonly receive a diagnosis of non-specific low back pain. Patient education is a way to provide information and advice aimed at changing...
Research
Abstract Background: The largest percentage of injuries in basketball affect the lower limbs, specially the ankle joint, and this is the major cause of missed days of training during a season. Moreover, ankle injuries can increase the risk factor of recurrent injuries. Objectives: To determine whether a training program, based on specific ankle exe...
Article
Full-text available
Alteration in muscular imbalances between homolateral and contralateral limbs has been associated with increased risk of injury. The objective of this study was to compare the isometric peak force of the domi- nant and the non-dominant upper limb in competition tennis players. Maximal isometric voluntary contraction was test- ed in 12 male competit...
Article
Background: The largest percentage of injuries in basketball affect the lower limbs, specially the ankle joint, and this is the major cause of missed days of training during a season. Moreover, ankle injuries can increase the risk factor of recurrent injuries. Objectives: To determine whether a training program, based on specific ankle exercises fo...
Article
Efectividad de un programa de entrenamiento neuromuscular de 6 semanas de duración aplicado en el tobillo en la Resumen Introducción: La mayoría de lesiones que se registran en la práctica del baloncesto se localizan en la extremidad inferior, especialmente en el tobillo, y son la principal causa de ausencia en las sesiones de entrenamiento. Estas...
Article
Background: 76% of people with plantar hyperkeratosis visit podiatry for treatment. Although various treatments, delamination ofthe hyperkeratosis is perhaps, because ofits simplicity the most widely used treatment. However, no study has been carried out until today to demónstrate the possible existence of differences in the leve! of painful percep...
Article
Objectif Cette étude avait pour objectif à évaluer la capacité anaérobie après un protocole d’entraînement d’endurance de puissance (EST) pendant 4 semaines. Méthodes Un groupe de volontaires (n = 5) a été entraîné dans un caisson hypobare à une altitude simulée de 2500 m (HYP), tandis que l’autre (n = 7), l’a été au niveau de la mer (NOR). La pui...
Article
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Explosive actions in football are nowadays three times the amount there was during the 60s, reaching 200-215 explosive actions/match. This means that for an elite player, muscular power and resilience are performance limiting factors, and muscular injuries may be frequent. During the injury, conditional qualities are lost; the shorter is the period...
Article
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Asthma is a chronic inflammatory disease of high prevalence worldwide, being the group comprised of children and adolescents the most affected. Its symptoms are characterized by cough, dysnea, wheezing, feeling of tightness in the chest and bronchoconstriction. Traditionally, it was thought that sport and physical exercise were contraindicated in a...
Conference Paper
La velocidad de golpeo es un factor importante para el rendimiento en el tenis actual. El principal objetivo del estudio fue determinar el efecto de dos métodos de entrenamiento de la fuerza sobre la velocidad de golpeo. 20 jugadores de nivel regional (promedio ± SD: edad 15.5± 0.9 años; peso 61.4 ± 7.6 Kg; talla 170.3 ± 9.4 cm) fueron asignados al...