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https://www.readbyqxmd.com/read/28053820/effects-of-different-concurrent-resistance-and-aerobic-training-frequencies-on-muscle-power-and-muscle-quality-in-trained-elderly-men-a-randomized-clinical-trial
#1
Rodrigo Ferrari, Sandra C Fuchs, Luiz Fernando Martins Kruel, Eduardo Lusa Cadore, Cristine Lima Alberton, Ronei Silveira Pinto, Régis Radaelli, Maira Schoenell, Mikel Izquierdo, Hirofumi Tanaka, Daniel Umpierre
Muscle power is a strong predictor of functional status in the elderly population and is required to perform different daily activities. To compare the effects of different weekly training frequencies on muscle power and muscle quality induced by concurrent training (resistance + aerobic) in previously trained elderly men. Twenty-four trained elderly men (65 ± 4 years), previously engaged in a regular concurrent training program, three times per week, for the previous five months, were randomly allocated to concurrent training programs in which training was performed either twice a week (2·week(-1), n = 12) or three times per week (3·week(-1), n = 12)...
December 2016: Aging and Disease
https://www.readbyqxmd.com/read/28008239/effects-of-different-doses-of-high-speed-resistance-training-on-physical-performance-and-quality-of-life-in-older-women-a-randomized-controlled-trial
#2
Rodrigo Ramirez-Campillo, Daniela Diaz, Cristian Martinez-Salazar, Pablo Valdés-Badilla, Pedro Delgado-Floody, Guillermo Méndez-Rebolledo, Rodrigo Cañas-Jamet, Carlos Cristi-Montero, Antonio García-Hermoso, Carlos Celis-Morales, Jason Moran, Thomas W Buford, Leocadio Rodriguez-Mañas, Alicia M Alonso-Martinez, Mikel Izquierdo
OBJECTIVE: This study aimed to compare the effects of two frequencies of high-speed resistance training (HSRT) on physical performance and quality of life of older women. METHODS: A total of 24 older women participated in a 12-week HSRT program composed of either two or three sessions/week (equated for volume and intensity). Women were randomized into three arms: a control group (CG, n=8), a resistance training group performing two sessions/week (RT2, n=8), and a resistance training group performing three sessions/week (RT3, n=8)...
2016: Clinical Interventions in Aging
https://www.readbyqxmd.com/read/28002176/effects-of-synergist-vs-non-synergist-split-resistance-training-routines-on-acute-neuromuscular-performance-in-resistance-trained-men
#3
Rafael P M Castanheira, João B Ferreira-Junior, Rodrigo Celes, Valdinar A Rocha-Junior, Eduardo L Cadore, Mikel Izquierdo, Martim Bottaro
The aim of this study was to evaluate the effects of synergist vs. non-synergist split resistance training routines on the acute neuromuscular performance of the elbow flexors in resistance trained men. Fifteen resistance trained men (age: 23.2 ± 4.0 years, height: 173.0 ± 0.08 cm, and body mass: 78.38 ± 9.31 kg) randomly performed three training routines separated by an interval of 7 days: 1) pull-pull exercises (synergist routine, SN), which included 6 sets of 10 maximum repetitions (RM) of a seated row exercise followed by 4 sets of 10RM of the preacher biceps curl exercise; 2) push-pull exercises (non-synergist routine, NS), which included 6 sets of 10RM of the bench press exercise followed by 4 sets of 10RM of the preacher biceps curl exercise; and 3) Control, which included 4 sets of 10RM of the preacher biceps curl exercise...
December 8, 2016: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/27992239/differential-effects-of-two-rehabilitation-programs-following-anterior-cruciate-ligament-reconstruction
#4
Igor Setuain, Mikel Izquierdo, Fernando Idoate, Eder Bikandi, Esteban M Gorostiaga, Per Aagaard, Eduardo L Cadore, Jesús Alfaro-Adrián
Context- The muscular function restoration related to the type of physical rehabilitation followed after anterior cruciate ligament reconstruction (ACLR) using autologous hamstring tendon graft in terms of strength and cross sectional area (CSA) remain controversial. Objective- To analyze the CSA and force output of quadriceps and hamstring muscles in subjects following either an Objective Criteria-Based rehabilitation (OCBR) algorithm or the usual care (UCR) for ACL rehabilitation in Spain, before and one year after undergoing an ACLR...
December 19, 2016: Journal of Sport Rehabilitation
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
#5
RANDOMIZED CONTROLLED TRIAL
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 2016: 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
#6
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
#7
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
#8
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
#9
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
#10
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
#11
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
#12
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
#13
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
#14
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
#15
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
#16
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
#17
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
#18
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
#19
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
#20
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
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