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mikel izquierdo

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https://www.readbyqxmd.com/read/27870694/does-intrasession-concurrent-strength-and-aerobic-training-order-influence-training-induced-explosive-strength-and-v-combining-dot-above-o2max-in-prepubescent-children
#1
Ana R Alves, Carlos C Marta, Henrique P Neiva, Mikel Izquierdo, Mário C Marques
Alves, AR, Marta, C, Neiva, HP, Izquierdo, M, and Marques, MC. Does intrasession concurrent strength and aerobic training order influence training-induced explosive strength and V[Combining Dot Above]O2max in prepubescent children?. J Strength Cond Res 30(12): 3267-3277, 2016-The aim of this study was to analyze the interference of strength and aerobic training order over an 8-week period on explosive skills and maximal oxygen uptake (V[Combining Dot Above]O2max) in prepubescent children. One hundred twenty-eight prepubescent children aged 10-11 years (10...
December 0: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/27806010/warm-up-for-sprint-swimming-race-pace-or-aerobic-stimulation-a-randomized-study
#2
Henrique P Neiva, Mário C Marques, Tiago M Barbosa, Mikel Izquierdo, João L Viana, Ana M Teixeira, Daniel A Marinho
The aim of this study was to compare the effects of two different warm-up intensities on 100m swimming performance in a randomized controlled trial. Thirteen competitive swimmers performed two 100m freestyle time-trials on separate days after either control or experimental warm-up, in a randomized design. The control warm-up included a typical race-pace set (4x25m), while the experimental warm-up included an aerobic set (8x50m at 98-102% of critical velocity). Cortisol, testosterone, blood lactate ([La]), oxygen uptake (VO2), heart rate, core (Tcore and Tcorenet) and tympanic temperatures, and rating of perceived exertion (RPE) were monitored...
October 27, 2016: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/27735886/effects-of-volume-based-overload-plyometric-training-on-maximal-intensity-exercise-adaptations-in-young-basketball-players
#3
Abbas Asadi, Rodrigo Ramírez-Campillo, Cesar Meylan, Fabio Y Nakamura, Rodrigo Cañas-Jamet, Mikel Izquierdo
BACKGROUND: To compare maximal-intensity exercise adaptations in young basketball players (who were strong individuals at baseline) participating in regular basketball training versus regular plus a volume-based plyometric training program in the pre-season period. METHODS: Young basketball players were recruited and assigned either to a plyometric with regular basketball training group (Experimental group [EG]; n = 8), or a basketball training only group (Control group [CG]; n = 8)...
October 13, 2016: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/27663845/high-muscular-fitness-has-a-powerful-protective-cardiometabolic-effect-in-adults-influence-of-weight-status
#4
Robinson Ramírez-Vélez, Jorge E Correa-Bautista, Felipe Lobelo, Mikel Izquierdo, Alicia Alonso-Martínez, Fernando Rodríguez-Rodríguez, Carlos Cristi-Montero
BACKGROUND: Low levels of muscular fitness (MF) are recognized as an important marker of nutritional status and a predictor of metabolic complications, cardiovascular disease and death, however, the relationship between MF, body mass index (BMI) and the subsequent cardiometabolic protective effects has been less studied among Latin American populations. This study identified an association between MF and the cardiometabolic risk score index (CMRSI) and the lipid-metabolic cardiovascular risk index (LMCRI) in a wide sample of university students grouped according to their BMI...
2016: BMC Public Health
https://www.readbyqxmd.com/read/27642854/normative-reference-of-standing-long-jump-for-colombian-schoolchildren-aged-9-17-9-years-the-fuprecol-study
#5
Robinson Ramírez-Vélez, Martin Martínez, Jorge E Correa-Bautista, Felipe Lobelo, Mikel Izquierdo, Fernando Rodríguez-Rodríguez, Carlos Cristi-Montero
The purpose of the present study was to generate normative values for standing long jump test (SLJ) in 9- to 17.9-year-olds and to investigate sex and age group differences. The sample was comprised of 8,034 healthy Colombian schoolchildren [boys n=3,488 and girls n=4,546; mean (standard deviation) age 12.8 (±2.3) years old]. Each participant performed two SLJ. Centile smoothed curves, percentile, and tables for the 3, 10, 25, 50, 75, 90, and 97 percentiles were calculated using Cole's LMS method. The two-way ANOVA tests and Cohen' d showed that the maximum SLJ (cm) was higher in boys than in girls across age groups (p<0...
September 6, 2016: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/27623161/increased-thermoregulatory-strain-when-wearing-an-upper-body-compression-garment-during-moderate-exercise-in-trained-older-adults
#6
Iker Leoz-Abaurrea, Mikel Izquierdo, Miriam Gonzalez-Izal, Roberto Aguado-Jiménez
The efficacy of the use of an upper body compression garment (UBCG) as an ergogenic aid to reduce thermoregulatory strain in older adults remains unknown. The aim of this study was to evaluate the effects of UBCG on thermoregulatory, cardiorespiratory and perceptual responses during cycling in a temperate environment (~25ºC, 66% rh) in trained older adults. Twelve cyclists aged 66±2 years performed an intermittent 1-h cycling trial at 50% of the peak power output followed by 10 min of passive recovery. Participants were provided with either commercially available UBCG or control garment in a randomized order...
September 6, 2016: Journal of Aging and Physical Activity
https://www.readbyqxmd.com/read/27619491/physical-fitness-and-anthropometric-normative-values-among-colombian-indian-schoolchildren
#7
Jeison Alexander Ramos-Sepúlveda, Robinson Ramírez-Vélez, Jorge Enrique Correa-Bautista, Mikel Izquierdo, Antonio García-Hermoso
BACKGROUND: Substantial evidence indicates that children's physical fitness levels are markers of their lifestyles and their cardio-metabolic health profile and are predictors of the future risk of chronic diseases such as obesity, cardiometabolic disease, skeletal health and mental health. However, fitness reference values for ethnic children and adolescents have not been published in a Latin-American population. Therefore, the aim of the study was to provide sex- and age-specific physical fitness and anthropometric reference standards among Colombian-Indian schoolchildren...
2016: BMC Public Health
https://www.readbyqxmd.com/read/27582710/increased-pio2-at-exhaustion-in-hypoxia-enhances-muscle-activation-and-swiftly-relieves-fatigue-a-placebo-or-a-pio2-dependent-effect
#8
Rafael Torres-Peralta, José Losa-Reyna, David Morales-Alamo, Miriam González-Izal, Ismael Pérez-Suárez, Jesús G Ponce-González, Mikel Izquierdo, José A L Calbet
To determine the level of hypoxia from which muscle activation (MA) is reduced during incremental exercise to exhaustion (IE), and the role played by PIO2 in this process, ten volunteers (21 ± 2 years) performed four IE in severe acute hypoxia (SAH) (PIO2 = 73 mmHg). Upon exhaustion, subjects were asked to continue exercising while the breathing gas mixture was swiftly changed to a placebo (73 mmHg) or to a higher PIO2 (82, 92, 99, and 142 mmHg), and the IE continued until a new exhaustion. At the second exhaustion, the breathing gas was changed to room air (normoxia) and the IE continued until the final exhaustion...
2016: Frontiers in Physiology
https://www.readbyqxmd.com/read/27562357/the-insulin-like-growth-factor-system-is-modulated-by-exercise-in-breast-cancer-survivors-a-systematic-review-and-meta-analysis
#9
José Francisco Meneses-Echávez, Emilio González Jiménez, Jacqueline Schmidt Río-Valle, Jorge Enrique Correa-Bautista, Mikel Izquierdo, Robinson Ramírez-Vélez
BACKGROUND: Insulin-like growth factors (IGF´s) play a crucial role in controlling cancer cell proliferation, differentiation and apoptosis. Exercise has been postulated as an effective intervention in improving cancer-related outcomes and survival, although its effects on IGF´s are not well understood. This meta-analysis aimed to determine the effects of exercise in modulating IGF´s system in breast cancer survivors. METHODS: Databases of PuMed, EMBASE, Cochrane Central Register of Controlled Trials, EMBASE, ClinicalTrials...
2016: BMC Cancer
https://www.readbyqxmd.com/read/27509050/the-chronic-effects-of-low-and-high-intensity-resistance-training-on-muscular-fitness-in-adolescents
#10
Ari R Assunção, Martim Bottaro, João B Ferreira-Junior, Mikel Izquierdo, Eduardo L Cadore, Paulo Gentil
To compare the effects of high-load, low-repetition maximum (LRM) and low-load, high-repetition maximum (HRM) resistance training regimens on muscular fitness in untrained adolescents. Forty-five untrained adolescents of both sexes (13.7±0.8 years; 161.3±7.5 cm, 56.8±13.4 kg) were randomly assigned into one of three groups: 1) LRM (n = 17): volunteers performed three sets of 4-6-repetition maximum (RM); 2) HRM (n = 16): volunteers performed three sets of 12-15 RM; and 3) control (CON, n = 12). Training was performed two times a week for 9 weeks...
2016: PloS One
https://www.readbyqxmd.com/read/27508490/metabolic-syndrome-and-associated-factors-in-a-population-based-sample-of-schoolchildren-in-colombia-the-fuprecol-study
#11
Robinson Ramírez-Vélez, Alejandro Anzola, Javier Martinez-Torres, Andres Vivas, Alejandra Tordecilla-Sanders, Daniel Prieto-Benavides, Mikel Izquierdo, Jorge Enrique Correa-Bautista, Antonio Garcia-Hermoso
BACKGROUND: In contrast to the definition of metabolic syndrome (MetS) in adults, there is no standard definition of MetS in pediatric populations. We aimed at assessing the differences in the prevalence of MetS in children and adolescents aged 9-17 years using four different operational definitions for these age groups and at examining the associated variables. METHODS: A total of 675 children and 1247 adolescents attending public schools in Bogota (54.4% girls; age range 9-17...
August 10, 2016: Metabolic Syndrome and related Disorders
https://www.readbyqxmd.com/read/27500986/normative-reference-values-for-the-20-m-shuttle-run-test-in-a-population-based-sample-of-school-aged-youth-in-bogota-colombia-the-fuprecol-study
#12
Robinson Ramírez-Vélez, Adalberto Palacios-López, Daniel Humberto Prieto-Benavides, Jorge Enrique Correa-Bautista, Mikel Izquierdo, Alicia Alonso-Martínez, Felipe Lobelo
OBJECTIVES: Our aim was to determine the normative reference values of cardiorespiratory fitness (CRF) and to establish the proportion of subjects with low CRF suggestive of future cardio-metabolic risk. METHODS: A total of 7244 children and adolescents attending public schools in Bogota, Colombia (55.7% girls; age range of 9-17.9 years) participated in this study. We expressed CRF performance as the nearest stage (minute) completed and the estimated peak oxygen consumption (V˙O2peak )...
August 8, 2016: American Journal of Human Biology: the Official Journal of the Human Biology Council
https://www.readbyqxmd.com/read/27477615/is-it-ethical-not-to-precribe-physical-activity-for-the-elderly-frail
#13
EDITORIAL
Mikel Izquierdo, Leocadio Rodriguez-Mañas, Alvaro Casas-Herrero, Nicolás Martinez-Velilla, Eduardo L Cadore, Alan J Sinclair
No abstract text is available yet for this article.
September 1, 2016: Journal of the American Medical Directors Association
https://www.readbyqxmd.com/read/27459101/dual-task-gait-performance-in-frail-individuals-with-and-without-mild-cognitive-impairment
#14
Alicia Martínez-Ramírez, Ion Martinikorena, Pablo Lecumberri, Marisol Gómez, Nora Millor, Alvaro Casas-Herrero, Fabrício Zambom-Ferraresi, Mikel Izquierdo
BACKGROUND: Several studies have stated that frailty is associated with cognitive impairment. Based on various studies, cognition impairment has been considered as a component of frailty. Other authors have shown that physical frailty is associated with low cognitive performance. Dual task gait tests are used as a strong predictor of falls in either dementia or frailty. Consequently, it is important to investigate dual task walking tests in elderly populations including control robust oldest old, frail oldest old with mild cognitive impairment (MCI) and frail oldest old without MCI...
2016: Dementia and Geriatric Cognitive Disorders
https://www.readbyqxmd.com/read/27362100/strength-training-with-repetitions-to-failure-does-not-provide-additional-neuromuscular-adaptations-in-young-women-3734-board-173-june-4-9-30-am-11-00-am
#15
Eduardo L Cadore, Saulo Martorelli, Mikel Izquierdo, Rodrigo Celes, André Martorelli, Vitor A Cleto, José G Alvarenga, Martim Bottaro
No abstract text is available yet for this article.
May 2016: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/27360608/chest-press-exercises-with-different-stability-requirements-result-in-similar-muscle-damage-recovery-1689-board-342-june-2-9-00-am-10-30-am
#16
Martim Bottaro, Diogo V Ferreira, Lee E Brown, João B Ferreira-Junior, Saulo Soares, Eduardo L Cadore, Mikel Izquierdo
No abstract text is available yet for this article.
May 2016: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/27342073/high-intensity-interval-vs-resistance-or-combined-training-for-improving-cardiometabolic-health-in-overweight-adults-cardiometabolic-hiit-rt-study-study-protocol-for-a-randomised-controlled-trial
#17
Robinson Ramírez-Vélez, Alejandra Hernandez, Karem Castro, Alejandra Tordecilla-Sanders, Katherine González-Ruíz, Jorge Enrique Correa-Bautista, Mikel Izquierdo, Antonio García-Hermoso
BACKGROUND: Although evidence shows the positive health effects of physical activity, most of the adult population in Colombia are sedentary. It is, therefore, important to implement strategies that generate changes in lifestyle behaviours. This protocol describes a study in which we will compare the effects of 12 weeks of high-intensity interval training (HIIT), resistance training (RT) or combined training (HIIT + RT) on the improvement of body composition, endothelial function, blood pressure, blood lipids, and cardiorespiratory fitness in a cohort of sedentary, overweight adults (aged 30-50 years)...
June 24, 2016: Trials
https://www.readbyqxmd.com/read/27328276/intersession-and-intrasession-reliability-and-validity-of-the-my-jump-app-for-measuring-different-jump-actions-in-trained-male-and-female-athletes
#18
Francisco Gallardo-Fuentes, Jorge Gallardo-Fuentes, Rodrigo Ramírez-Campillo, Carlos Balsalobre-Fernández, Cristian Martínez, Alexis Caniuqueo, Rodrigo Cañas, Winfried Banzer, Irineu Loturco, Fabio Y Nakamura, Mikel Izquierdo
Gallardo-Fuentes, F, Gallardo-Fuentes, J, Ramírez-Campillo, R, Balsalobre-Fernández, C, Martínez, C, Caniuqueo, A, Cañas, R, Banzer, W, Loturco, I, Nakamura, FY, and Izquierdo, M. Intersession and intrasession reliability and validity of the My Jump app for measuring different jump actions in trained male and female athletes. J Strength Cond Res 30(7): 2049-2056, 2016-The purpose of this study was to analyze the concurrent validity and reliability of the iPhone app named My Jump for measuring jump height in 40-cm drop jumps (DJs), countermovement jumps (CMJs), and squat jumps (SJs)...
July 2016: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/27265488/effects-of-10min-vs-20min-passive-rest-after-warm-up-on-100m-freestyle-time-trial-performance-a-randomized-crossover-study
#19
Henrique P Neiva, Mário C Marques, Tiago M Barbosa, Mikel Izquierdo, João L Viana, Daniel A Marinho
OBJECTIVES: The aim of this study was to compare the effect of 10min vs. 20min passive rest post warm-up on performance in a 100m freestyle time-trial. DESIGN: Randomized crossover. METHODS: Eleven competitive male swimmers performed two experimental trials on different days, consisting of 100m freestyle time-trials following 10min or 20min passive rest after a standard 1200m warm-up. Performance (time-trial), biomechanical (stroke length, stroke frequency, stroke index, propelling efficiency), physiological (blood lactate concentrations, heart rate, core and tympanic temperature), and psychophysiological (perceived effort) variables were assessed during both trials...
May 27, 2016: Journal of Science and Medicine in Sport
https://www.readbyqxmd.com/read/27238795/-in-process-citation
#20
José Andrés Vivas-Díaz, Robinson Ramírez-Vélez, Jorge Enrique Correa-Bautista, Mikel Izquierdo
Introducción: la evaluación de la fuerza de prensión realizada comúnmente mediante dinamometría manual actualmente es considerada como un indicador del estado nutricional y como un marcador temprano en la morbimortalidad de la enfermedad cardiometabólica. Objetivos: en este estudio, se presentan valores de la fuerza prensil por dinamometría manual en una muestra de estudiantes universitarios de Colombia. Método: estudio descriptivo y transversal realizado en 5.647 estudiantes universitarios aparentemente sanos (58,5% mujeres, edad media 20,6 ± 2,7 años) pertenecientes a instituciones privadas y públicas de Bogotá y Cali (Colombia)...
2016: Nutrición Hospitalaria: Organo Oficial de la Sociedad Española de Nutrición Parenteral y Enteral
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