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mikel izquierdo

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https://www.readbyqxmd.com/read/28952861/effectiveness-of-multimodal-training-on-functional-capacity-in-frail-older-people-a-meta-analysis-of-randomized-controls-trials
#1
Pedro Lopez, Mikel Izquierdo, Regis Radaelli, Graciele Sbruzzi, Rafael Grazioli, Ronei Silveira Pinto, Eduardo Lusa Cadore
In this meta-analysis, we investigated the effect of resistance training (RT) alone, or included in a multimodal training on physical frailty outcomes, and whether different variables of RT prescription affect these outcomes. We identified 15 relevant studies searching through MEDLINE, Cochrane Central, SPORTDiscus and PEDro database. Post-intervention standardized mean difference (SMD) scores were computed, and combined using fixed effects meta-analysis. Analyses have shown positive effects of interventions on maximum strength, gait speed and Timed-Up-and-Go (TUG)...
September 27, 2017: Journal of Aging and Physical Activity
https://www.readbyqxmd.com/read/28918362/there-are-no-no-responders-to-low-or-high-resistance-training-volumes-among-older-women
#2
Matheus de Siqueira Mendes Barbalho, Paulo Gentil, Mikel Izquierdo, James Fisher, James Steele, Rodolfo de Azevedo Raiol
OBJECTIVES: To assess the prevalence of non-responders to different tests and to compare the effects of different resistance training (RT) volumes on muscle strength, anthropometric and functional performance of older women. METHODS: Three hundred seventy six women performed 12weeks of RT with either low or high volume (LV, 71.29±5.77years and HV 69.73±5.88years, respectively). Both groups performed the same exercises, and all parameters were held constant except for the number of sets performed per week...
September 14, 2017: Experimental Gerontology
https://www.readbyqxmd.com/read/28902118/concurrent-training-followed-by-detraining-does-the-resistance-training-intensity-matter
#3
António C Sousa, Daniel A Marinho, Maria H Gil, Mikel Izquierdo, David Rodríguez-Rosell, Henrique P Neiva, Mário C Marques
The aim of the present study was to analyze the training and detraining effects of concurrent aerobic training and resistance training against three different external loads on strength and aerobic variables. Thirty-two men were randomly assigned to four groups: low-load (LLG, n=9), moderate-load (MLG, n=9), high-load (HLG, n=8), and control group (CG, n=6). Resistance training consisted of FS with a low-load (40-55% 1RM), a moderate-load (55-70% 1RM) or a high-load (70-85% 1RM) combined with jump and sprint exercises...
September 6, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28895468/prevalence-of-ideal-cardiovascular-health-and-its-association-with-cognitive-function-in-older-adults-the-chilean-national-health-survey-2009-2010
#4
Antonio García-Hermoso, Robison Ramírez-Vélez, Rodrigo Ramirez-Campillo, Mikel Izquierdo
BACKGROUND: Health behaviors and risk factors are independently related with cognitive function in older adults. This study aimed to examine the prevalence and relationship between cognitive function and a number of ideal cardiovascular health metrics in older adults from the 2009-2010 Chilean National Health Survey. BASIC PROCEDURES: Data from 460 older adults (mean age 73.5 years old, 59.3% women) from the 2009-2010 Chilean Health Survey were analyzed. Ideal cardiovascular health was defined as meeting the ideal levels of the following components: four behaviors (smoking, body mass index, physical activity and diet adherence) and three factors (total cholesterol, blood pressure and fasting glucose)...
September 12, 2017: Rejuvenation Research
https://www.readbyqxmd.com/read/28844725/sprint-mechanics-return-to-competition-follow-up-after-hamstring-injury-on-a-professional-soccer-player-a-case-study-with-an-inertial-sensor-unit-based-methodological-approach
#5
Igor Setuain, Pablo Lecumberri, Mikel Izquierdo
BACKGROUND: The present research aimed to describe an inertial unit (IU)-based sprint mechanics evaluation model for assessing players' readiness to return to competition after suffering a grade I hamstring injury. METHODS: A professional male football player (age 19years; height 177cm; weight 70kg, midfielder, Spanish, 3° Division) with a grade 1 biceps femoris injury was evaluated at pre-season, at return to play after injury and at the end of the competitive season...
October 3, 2017: Journal of Biomechanics
https://www.readbyqxmd.com/read/28828081/effects-of-plyometric-training-and-beta-alanine-supplementation-on-maximal-intensity-exercise-and-endurance-in-female-soccer-players
#6
Fabián Rosas, Rodrigo Ramírez-Campillo, Cristian Martínez, Alexis Caniuqueo, Rodrigo Cañas-Jamet, Emma McCrudden, Cesar Meylan, Jason Moran, Fábio Y Nakamura, Lucas A Pereira, Irineu Loturco, Daniela Diaz, Mikel Izquierdo
Plyometric training and beta-alanine supplementation are common among soccer players, although its combined use had never been tested. Therefore, a randomized, double-blind, placebo-controlled trial was conducted to compare the effects of a plyometric training program, with or without beta-alanine supplementation, on maximal-intensity and endurance performance in female soccer players during an in-season training period. Athletes (23.7 ± 2.4 years) were assigned to either a plyometric training group receiving a placebo (PLACEBO, n = 8), a plyometric training group receiving beta-alanine supplementation (BA, n = 8), or a control group receiving placebo without following a plyometric training program (CONTROL, n = 9)...
September 2017: Journal of Human Kinetics
https://www.readbyqxmd.com/read/28757333/heterogeneity-of-different-tools-for-detecting-the-prevalence-of-frailty-in-nursing-homes-feasibility-and-meaning-of-different-approaches
#7
N Martínez-Velilla, Pablo Aldaz Herce, Álvaro Casas Herrero, Marta Gutiérrez-Valencia, Mikel López Sáez de Asteasu, Alberto Sola Mateos, Ana Conde Zubillaga, Berta Ibáñez Beroiz, Arkaitz Galbete Jiménez, Mikel Izquierdo
BACKGROUND AND OBJECTIVE: The identification of frail individuals has been recognized as a priority for the effective implementation of healthy aging strategies. Only a limited number of studies have examined frailty in nursing homes, and there is a big heterogeneity in the methods used. The primary objective of this study was to determine the prevalence and feasibility of different frailty screening tools in nursing homes as well as its relationship with multimorbidity and disability...
October 1, 2017: Journal of the American Medical Directors Association
https://www.readbyqxmd.com/read/28731832/effects-of-cervical-high-velocity-low-amplitude-techniques-on-range-of-motion-strength-performance-and-cardiovascular-outcomes-a-review
#8
Xabier Galindez-Ibarbengoetxea, Igor Setuain, Lars L Andersen, Robinson Ramírez-Velez, Miriam González-Izal, Andoni Jauregi, Mikel Izquierdo
BACKGROUND: Cervical high-velocity low-amplitude (HVLA) manipulation technique is among the oldest and most frequently used chiropractic manual therapy, but the physiologic and biomechanics effects were not completely clear. OBJECTIVE: This review aims to describe the effects of cervical HVLA manipulation techniques on range of motion, strength, and cardiovascular performance. METHODS/DESIGN: A systematic search was conducted of the electronic databases from January 2000 to August 2016: PubMed (n = 131), ScienceDirect (n = 101), Scopus (n = 991), PEDro (n = 33), CINAHL (n = 884), and SciELO (n = 5)...
September 2017: Journal of Alternative and Complementary Medicine: Research on Paradigm, Practice, and Policy
https://www.readbyqxmd.com/read/28729841/prevalence-of-non-responders-for-glucose-control-markers-after-10-weeks-of-high-intensity-interval-training-in-adult-women-with-higher-and-lower-insulin-resistance
#9
Cristian Álvarez, Rodrigo Ramírez-Campillo, Robinson Ramírez-Vélez, Mikel Izquierdo
Background: Exercise training improves performance and biochemical parameters on average, but wide interindividual variability exists, with individuals classified as responders (R) or non-responders (NRs), especially between populations with higher or lower levels of insulin resistance. This study assessed the effects of high-intensity interval training (HIIT) and the prevalence of NRs in adult women with higher and lower levels of insulin resistance. Methods: Forty adult women were assigned to a HIIT program, and after training were analyzed in two groups; a group with higher insulin resistance (H-IR, 40 ± 6 years; BMI: 29...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28713535/strength-training-with-repetitions-to-failure-does-not-provide-additional-strength-and-muscle-hypertrophy-gains-in-young-women
#10
Saulo Martorelli, Eduardo Lusa Cadore, Mikel Izquierdo, Rodrigo Celes, André Martorelli, Vitor Alonso Cleto, José Gustavo Alvarenga, Martim Bottaro
This study investigated the effects of a 10-week resistance training to failure on neuromuscular adaptations in young women. Eighty-nine active young women were randomly assigned to one of three groups: 1) repetitions to failure (RF; three sets of repetitions to failure); 2) repetitions not to failure with equalized volume (RNFV; four sets of 7 repetitions); and 3) repetitions not to failure (RNF; three sets of 7 repetitions). All groups performed the elbow flexor exercise (bilateral biceps curl) and trained 2 days per week using 70% of 1RM...
June 24, 2017: European Journal of Translational Myology
https://www.readbyqxmd.com/read/28706490/effects-of-6-weeks-high-intensity-interval-training-in-schoolchildren-with-insulin-resistance-influence-of-biological-maturation-on-metabolic-body-composition-cardiovascular-and-performance-non-responses
#11
Cristian Alvarez, Rodrigo Ramírez-Campillo, Robinson Ramírez-Vélez, Mikel Izquierdo
Background: Previous studies have observed significant heterogeneity in the magnitude of change in measures of metabolic response to exercise training. There are a lack of studies examining the prevalence of non-responders (NRs) in children while considering other potential environmental factors involved such as biological maturation. Aim: To compare the effects and prevalence of NRs to improve the insulin resistance level (by HOMA-IR), as well as to other anthropometric, cardiovascular, and performance co-variables, between early (EM) and normal maturation (NM) in insulin-resistance schoolchildren after 6-weeks of HIIT...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28704882/neuromuscular-adaptations-to-combined-strength-and-endurance-training-order-and-time-of-day
#12
Maria Küüsmaa-Schildt, Daniela Eklund, Janne Avela, Tuomas Rytkönen, Robert Newton, Mikel Izquierdo, Keijo Häkkinen
The present study examined the effects of 24 weeks of morning vs. evening same-session combined strength (S) and endurance (E) training on neuromuscular and endurance performance. Fifty-one men were assigned to the morning (m) or evening (e) training group, where S preceded E or vice versa (SEm, ESm, SEe and ESe), or to the control group. Isometric force, voluntary activation, EMG and peak wattage during the maximal cycling test were measured. Training time did not significantly affect the adaptations. Therefore, data are presented for SEm+e (SEm+SEe) and ESm+e (ESm+ESe)...
September 2017: International Journal of Sports Medicine
https://www.readbyqxmd.com/read/28685862/sprint-mechanics-evaluation-using-inertial-sensor-based-technology-a-laboratory-validation-study
#13
Igor Setuain, Pablo Lecumberri, Juha P Ahtiainen, Antti A Mero, Keijo Häkkinen, Mikel Izquierdo
Advances in micro-electromechanical systems have turned magnetic inertial measurement units (MIMUs) into a suitable tool for vertical jumping biomechanical evaluation. Thus, the presented study aimed to determine if appropriate reliability and agreement reports could also be obtained when analysing 20m sprint mechanics. Four bouts of 20 m sprints were evaluated to determine if the data provided by a MIMU placed at the lumbar spine could reliably assess sprint mechanics and to examine the validity of the MIMU sensor compared to force plate recordings...
July 7, 2017: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/28677652/relationship-between-handgrip-strength-and-muscle-mass-in-female-survivors-of-breast-cancer-a-mediation-analysis
#14
Lorena Benavides-Rodríguez, Antonio García-Hermoso, Diogo Rodrigues-Bezerra, Mikel Izquierdo, Jorge Enrique Correa-Bautista, Robinson Ramírez-Vélez
This study explored the mediating factors of sarcopenia in a group of women survivors of breast cancer in Bogotá, Colombia. This was a descriptive cross-sectional study with 98 women survivors of breast cancer, who were registered with the SIMMON (Integrated Synergies to Improve Oncological Management in Colombia) Foundation. Body weight, height, and waist circumference (WC) were measured, and body mass index (BMI) was calculated. Body composition (percentage of fat and muscle mass) was evaluated via four-pole bioelectrical impedance analysis...
July 4, 2017: Nutrients
https://www.readbyqxmd.com/read/28660321/overweight-and-obesity-are-progressively-associated-with-lower-work-ability-in-the-general-working-population-cross-sectional-study-among-10-000-adults
#15
Lars L Andersen, Mikel Izquierdo, Emil Sundstrup
PURPOSE: Obesity is associated with many diseases and functional limitations. Workplaces are not always designed to accommodate this challenge. This study investigated the association between body mass index (BMI) and work ability in the general working population. METHODS: Currently employed wage earners (N = 10,427) from the 2010 round of the Danish Work Environment Cohort Study (DWECS) replied to questions about work and health. Cumulative logistic regression analyses controlling for age, gender, physical and psychosocial work factors, lifestyle, and chronic diseases modeled the associations between BMI and work ability...
November 2017: International Archives of Occupational and Environmental Health
https://www.readbyqxmd.com/read/28610583/erratum-to-similar-cardiometabolic-effects-of-high-and-moderate-intensity-training-among-apparently-healthy-inactive-adults-a-randomized-clinical-trial
#16
Robinson Ramírez-Vélez, Alejandra Tordecilla-Sanders, Luis Andrés Téllez-T, Diana Camelo-Prieto, Paula Andrea Hernández-Quiñonez, Jorge Enrique Correa-Bautista, Antonio Garcia-Hermoso, Rodrigo Ramirez-Campillo, Mikel Izquierdo
No abstract text is available yet for this article.
June 13, 2017: Journal of Translational Medicine
https://www.readbyqxmd.com/read/28587957/role-of-physical-exercise-on-cognitive-function-in-healthy-older-adults-a-systematic-review-of-randomized-clinical-trials
#17
REVIEW
Mikel López Sáez de Asteasu, Nicolás Martínez-Velilla, Fabricio Zambom-Ferraresi, Álvaro Casas-Herrero, Mikel Izquierdo
Cognitive impairment has a harmful effect on quality of life, is associated with functional limitations and disability in older adults. Physical activity (PA) has shown to have beneficial effects on cognition but the results and conclusions of randomized controlled trials (RCTs) are less consistent. Update of knowledge was necessary to examine the effects on cognitive function of new training modalities developed in recent years, such as multicomponent exercise training. Therefore, the purpose of this review was to examine the role of multicomponent training versus aerobic or resistance training alone on cognition in healthy older adults (>65 years) without known cognitive impairment...
August 2017: Ageing Research Reviews
https://www.readbyqxmd.com/read/28560104/construct-validity-and-test-retest-reliability-of-the-international-fitness-scale-ifis-in-colombian-children-and-adolescents-aged-9-17-9-years-the-fuprecol-study
#18
Robinson Ramírez-Vélez, Sandra Milena Cruz-Salazar, Myriam Martínez, Eduardo L Cadore, Alicia M Alonso-Martinez, Jorge E Correa-Bautista, Mikel Izquierdo, Francisco B Ortega, Antonio García-Hermoso
BACKGROUND: There is a lack of instruments and studies written in Spanish evaluating physical fitness, impeding the determination of the current status of this important health indicator in the Latin population, especially in Colombia. The aim of the study was two-fold: to examine the validity of the International Fitness Scale (IFIS) with a population-based sample of schoolchildren from Bogota, Colombia and to examine the reliability of the IFIS with children and adolescents from Engativa, Colombia...
2017: PeerJ
https://www.readbyqxmd.com/read/28558739/similar-cardiometabolic-effects-of-high-and-moderate-intensity-training-among-apparently-healthy-inactive-adults-a-randomized-clinical-trial
#19
Robinson Ramírez-Vélez, Alejandra Tordecilla-Sanders, Luis Andrés Téllez-T, Diana Camelo-Prieto, Paula Andrea Hernández-Quiñonez, Jorge Enrique Correa-Bautista, Antonio Garcia-Hermoso, Rodrigo Ramirez-Campillo, Mikel Izquierdo
BACKGROUND: Metabolic syndrome (MetS) increases the risk of morbidity and mortality from cardiovascular disease, and exercise training is an important factor in the treatment and prevention of the clinical components of MetS. OBJECTIVE: The aim was to compare the effects of high-intensity interval training and steady-state moderate-intensity training on clinical components of MetS in healthy physically inactive adults. METHODS: Twenty adults were randomly allocated to receive either moderate-intensity continuous training [MCT group; 60-80% heart rate reserve (HRR)] or high-intensity interval training (HIT group; 4 × 4 min at 85-95% peak HRR interspersed with 4 min of active rest at 65% peak HRR)...
May 30, 2017: Journal of Translational Medicine
https://www.readbyqxmd.com/read/28557853/influence-of-maturation-stage-on-agility-performance-gains-after-plyometric-training-a-systematic-review-and-meta-analysis
#20
Abbas Asadi, Hamid Arazi, Rodrigo Ramirez-Campillo, Jason Moran, Mikel Izquierdo
Asadi, A, Arazi, H, Ramirez-Campillo, R, Moran, J, and Izquierdo, M. Influence of maturation stage on agility performance gains after plyometric training: a systematic review and meta-analysis. J Strength Cond Res 31(9): 2609-2617, 2017-Although plyometric training (PT) improves change of direction (COD) ability, the influence of age on COD gains after PT is unclear. Therefore, the aim of this systematic review was to identify the age-related pattern of improvement in COD ability after PT in youths. A computerized search within 6 databases was performed, selecting studies based on specific inclusion criteria: experimental trials published in English-language journals, PT focused on the lower-body, COD ability measurements reported before and after training, and male participants aged 10 to 18 years...
September 2017: Journal of Strength and Conditioning Research
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