Cristián Álvarez

ORCID: 0000-0003-4783-9981
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About
Contact & Profiles
Research Areas
  • Cardiovascular and exercise physiology
  • Health and Lifestyle Studies
  • Sports Performance and Training
  • Obesity, Physical Activity, Diet
  • Physical Activity and Health
  • Sports injuries and prevention
  • Heart Rate Variability and Autonomic Control
  • Muscle metabolism and nutrition
  • Blood Pressure and Hypertension Studies
  • Children's Physical and Motor Development
  • Adipose Tissue and Metabolism
  • Plant and soil sciences
  • Nutrition and Health in Aging
  • Body Composition Measurement Techniques
  • Exercise and Physiological Responses
  • Nutritional Studies and Diet
  • Diabetes, Cardiovascular Risks, and Lipoproteins
  • Agricultural and Food Production Studies
  • Eating Disorders and Behaviors
  • Cardiovascular Health and Disease Prevention
  • Balance, Gait, and Falls Prevention
  • Soil Science and Environmental Management
  • Diet and metabolism studies
  • Cardiac Health and Mental Health
  • Global Public Health Policies and Epidemiology

Universidad Andrés Bello
2022-2025

Universidad de Los Lagos
2014-2024

National Agricultural Technology Institute
2019-2024

Universidad Nacional de Colombia
2023

Instituto Nacional de Tecnologia
2023

Center for Climate and Resilience Research
2022

Universidad Simón Bolívar
2020

Universidad Nacional de La Pampa
2008-2017

Clínica MEDS (Chile)
2014-2015

University of Santo Tomas
2015

Ramírez-Campillo, R, Gallardo, F, Henriquez-Olguín, C, Meylan, CMP, Martínez, Álvarez, Caniuqueo, A, Cadore, EL, and Izquierdo, M. Effect of vertical, horizontal, combined plyometric training on explosive, balance, endurance performance young soccer players. J Strength Cond Res 29(7): 1784–1795, 2015—The aim this study was to compare the effects 6 weeks or vertical horizontal muscle endurance, balance performance. Forty players aged between 10 14 years were randomly divided into control (CG;...

10.1519/jsc.0000000000000827 article EN The Journal of Strength and Conditioning Research 2015-01-01

We studied the alterations in concentrations of total cholesterol, high-density lipoprotein triglycerides, and apoproteins A B serum 54 patients hospitalized for various reasons, who developed sepsis during their stay. Forty these required intensive care, 14 did not. Another group with same underlying pathological conditions was used as a control. found following: Sepsis causes to decrease, whereas triglycerides increase. However, changes are not related infectious agent, illness, or...

10.1093/clinchem/32.1.142 article EN Clinical Chemistry 1986-01-01

The aim of the study was to compare effects bilateral, unilateral, or combined bilateral and unilateral plyometric training (PT) on muscle power output, endurance, balance performance adaptations in young soccer players. Four groups players (age 11.4 ± 2.2 years) were divided into control group (CG; n = 14), (BG; 12), (UG; 16), + (B UG; 12). Players measured countermovement jump with arms, 5 multiple bounds test, 20-cm drop reactive strength index, maximal kicking velocity, sprint agility...

10.1519/jsc.0000000000000762 article EN The Journal of Strength and Conditioning Research 2014-12-03

Integrating specific training methods to improve explosive actions and endurance in youth soccer is an essential part of players' development. This study investigated the efficiency short-term vertical plyometric program within practice both young players. Seventy-six players were recruited assigned either a group (TG; n = 38; 13.2 ± 1.8 years) or control (CG; group. All trained twice per week, but TG followed 7-week implemented practice, whereas CG regular practice. Twenty-meter sprint time...

10.1519/jsc.0000000000000284 article EN The Journal of Strength and Conditioning Research 2013-10-21

The purpose of this study was to examine the effect a short-term plyometric training program on explosive strength and endurance performance in highly competitive middle- long-distance runners. Athletes were randomly assigned control group (CG, n = 18, 12 men) an (TG, 10 men). Drop jump (DJ) from 20 (DJ20) 40 cm (DJ40), countermovement with arms (CMJA), 20-m sprint time, 2.4-km run time test carried out before after 6 weeks training. Also, combined standardized (CSP) analyzed. After...

10.1519/jsc.0b013e3182a1f44c article EN The Journal of Strength and Conditioning Research 2013-07-09

In a randomised controlled trial design, effects of 6 weeks plyometric training on maximal-intensity exercise and endurance performance were compared in male female soccer players. Young (age 21.1 ± 2.7 years) players with similar load competitive background assigned to (women, n = 19; men, 21) control groups. Players evaluated for lower- upper-body exercise, 30 m sprint, change direction speed before after training. After intervention, the groups did not change, whereas both improved jumps...

10.1080/02640414.2015.1068439 article EN Journal of Sports Sciences 2015-07-22

Our purpose was to investigate the effects of low-volume, high-intensity interval training (HIT) on cardiometabolic risk and exercise capacity in women with type 2 diabetes mellitus (T2DM). Sedentary overweight/obese T2DM (age=44.5±1.8 years; BMI=30.5±0.6 kg/m(2)) were randomly assigned a tri-weekly running-based HIT program (n=13) or non-exercise control follow-up (CON; n=10). Glycemic control, lipid blood pressure levels, endurance performance, anthropometry measured before after (16...

10.1055/s-0042-104935 article EN International Journal of Sports Medicine 2016-06-03

Abstract Ramirez-Campillo, R, Alvarez, C, García-Pinillos, F, Sanchez-Sanchez, J, Yanci, Castillo, D, Loturco, I, Chaabene, H, Moran, and Izquierdo, M. Optimal reactive strength index: is it an accurate variable to optimize plyometric training effects on measures of physical fitness in young soccer players? J Strength Cond Res 32(4): 885–893, 2018—This study aimed compare the drop-jump using a fixed drop-box height (i.e., 30-cm [FIXED]) vs. optimal (OPT) 10-cm 40-cm: generating OPT index...

10.1519/jsc.0000000000002467 article EN The Journal of Strength and Conditioning Research 2018-02-01

Our aim was to investigate the effects and prevalence of nonresponders (NR) high-intensity interval training (HIIT) resistance (RT) in women with insulin on cardiometabolic health parameters. Sedentary overweight/obese insulin-resistant (age = 33.5 ± 6.5 yr; body mass index 29.9 3.7 kg/m 2 ) were randomly assigned a triweekly HIIT program (HIIT; n 18) or (RT; 17). Anthropometry (body mass, fat muscle waist circumference, skinfold thickness), cardiovascular (blood pressure), metabolic...

10.1152/japplphysiol.01037.2016 article EN Journal of Applied Physiology 2017-02-03

Background: This study evaluated the effects of resistance training (RT) and high-intensity interval (HIIT) on systolic (SBP) diastolic blood pressure (DBP) in hypertensive older adults undergoing pharmacological therapy over four eight weeks. We compared efficacy RT HIIT reducing non-responders (NRs) between weeks 4 8 analyzed time-course adaptations NRs responders (Rs). Methods: Thirty-nine participants were randomized into RT-G (n = 13), HIIT-G or control (CG, n 13) groups. utilized...

10.3390/jcdd12010030 article EN cc-by Journal of Cardiovascular Development and Disease 2025-01-16

The purpose of this study was to compare the acute effects general, specific and combined warm-up (WU) on explosive performance. Healthy male (n = 10) subjects participated in six WU protocols a crossover randomized design. Protocols were: passive rest (PR; 15 min rest), running (Run; 5 at 70% maximum heart rate), stretching (STR; static exercise), jumping [Jump; exercises - 3x8 countermovement jumps (CMJ) drop from 60 cm (DJ60)], (COM; Run+STR+Jump combined). Immediately before after each...

10.5604/20831862.1140426 article EN Biology of Sport 2014-12-30

Surveillance of physical activity (PA) is essential for the development health promotion initiatives. The aim present study was to examine prevalence PA and sedentary behaviour with respect socio-demographic factors in Chile.A representative sample 5434 adults aged ≥15 years (59% women) who participated Chilean National Health Survey (2009-2010) were included. Socio-demographic data (age, sex, environment, education level, income level smoking status) collected all participants. levels...

10.1093/pubmed/fdv079 article EN Journal of Public Health 2015-06-25

The purpose of the study was to compare effects progressive volume-based overload with constant on muscle explosive and endurance performance adaptations during a biweekly short-term (i.e., 6 weeks) plyometric training intervention in young soccer players. Three groups players (age 13.0 ± 2.3 years) were divided into: control (CG; n = 8) (PPT; without (NPPT; increase volume 16 jumps per leg week, an initial 80 each session). Bilateral unilateral horizontal vertical countermovement jump arms...

10.1519/jsc.0000000000000836 article EN The Journal of Strength and Conditioning Research 2015-01-01

Strong evidence shows that physical inactivity increases the risk of many adverse health conditions, including major non-communicable diseases, such as cardiovascular disease (CVD), metabolic syndrome, and breast colon cancers, shortens life expectancy. We aimed to determine effects moderate (MCT)- versus high-intensity interval training (HIT) on vascular function parameters in physically inactive adults. hypothesized individualized HIT prescription would improve more than MCT a greater...

10.1186/s12944-019-0981-z article EN cc-by Lipids in Health and Disease 2019-02-04

There has not been much study of risk profiles in older people according to different levels practice physical activity. For this reason, the aim research was evaluate whether elements that influence quality life and factors such as gender education can predict level activity physically active elderly population. The Fernández−Ballesteros questionnaire WHO International Physical Activity Questionnaire were applied a sample 397 with mean age 69.65 years (SD = 4.71). results revealed following...

10.3390/bs12090331 article EN cc-by Behavioral Sciences 2022-09-14

Ramírez-Campillo, R, Meylan, CMP, Álvarez-Lepín, C, Henriquez-Olguín, Martinez, Andrade, DC, Castro-Sepúlveda, M, Burgos, Baez, EI, and Izquierdo, M. The effects of interday rest on adaptation to 6 weeks plyometric training in young soccer players. J Strength Cond Res 29(4): 972–979, 2015—The purpose this study was determine the short-term interposed with 24 or 48 hours between sessions explosive endurance adaptations A total 166 players, 10 17 years age, were randomly divided into 3 groups:...

10.1519/jsc.0000000000000283 article EN The Journal of Strength and Conditioning Research 2013-10-21

Ramirez-Campillo, R, Alvarez, C, Gentil, P, Loturco, I, Sanchez-Sanchez, J, Izquierdo, M, Moran, Nakamura, FY, Chaabene, H, and Granacher, U. Sequencing effects of plyometric training applied before or after regular soccer on measures physical fitness in young players. J Strength Cond Res 34(7): 1959-1966, 2020-To compare the short-term (i.e., 7 weeks) jump (PJT-B) (PJT-A) practice components players, a single-blind randomized controlled trial was conducted. Postpubertal boys aged 17.0 ± 0.5...

10.1519/jsc.0000000000002525 article EN The Journal of Strength and Conditioning Research 2018-03-23

Ramirez-Campillo, R, Álvarez, C, García-Pinillos, F, García-Ramos, A, Loturco, I, Chaabene, H, and Granacher, U. Effects of combined surfaces vs. single-surface plyometric training on soccer players' physical fitness. J Strength Cond Res 34(9): 2644-2653, 2020-The aim this study was to compare the effects a 8-week jump (PJT) performed different (grass, land-dirt, sand, wood, gym mat, tartan-track) PJT (grass) components fitness (muscle power, speed, change-of-direction speed [CODS] tasks)...

10.1519/jsc.0000000000002929 article EN The Journal of Strength and Conditioning Research 2019-01-19

To compare the effects of plyometric drop jump (DJ) training against those induced by regular soccer and assess transference effect coefficient (TEC) DJs ("trained exercises") performed from 20- (DJ20) 40-cm (DJ40) height boxes with respect to different physical qualities (jumping, linear change direction speed, kicking, endurance, maximal strength) in youth male players.Participants were randomly divided into a control group (n = 20; age: 13.5 [1.9] y) DJ 19; 13.2 [1.8] y), trained for 7...

10.1123/pes.2018-0207 article EN Pediatric Exercise Science 2019-02-09
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