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The aim of the study was to compare the effects of bilateral, unilateral, or combined bilateral and unilateral plyometric training (PT) on muscle power output, endurance, and balance performance adaptations in young soccer players. Four groups of young soccer players (age 11.4 ± 2.2 years) were divided into control group (CG; n = 14), bilateral group (BG; n(More)
The purpose of the study was to compare the effects of progressive volume-based overload with constant volume-based overload 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 of young soccer players (age 13.0 ± 2.3 years) were divided(More)
OBJECTIVE To examine the effects of 12 weeks of high-speed resistance training (RT) versus low-speed RT on muscle strength [one repetition of maximum leg-press (1RMLP) and bench-press (1RMBP), plus dominant (HGd) and non-dominant maximum isometric handgrip], power [counter-movement jump (CMJ), ball throwing (BT) and 10-m walking sprint (S10)], functional(More)
INTRODUCTION there is a lack of studies concerning hydration status before training in professional soccer player. PURPOSE to describe hydration status before regular training practices in professional soccer players. METHODS a total of 156 male soccer players (age 25.4 ± 5.2 y) from six professional Chilean clubs were included. No hydration or food(More)
BACKGROUND Short term physical training programs may improve insulin resistance and hyperglycemia. AIM To assess the effects of eight weeks of combined exercise program on serum lipids and glycemic level in women with hyperglycemia and hypercholesterolemia. PATIENTS AND METHODS Ten healthy women, nine women with hyperglycemia, ten with(More)
Fluid and electrolyte status have a significant impact on physical performance and health. Pre-exercise recommendations cite the possibility of consuming beverages with high amounts of sodium. In this sense, non-alcoholic beer can be considered an effective pre-exercise hydration beverage. This double-blind, randomized study aimed to compare the effect of(More)
INTRODUCTION Heart rate variability and resting metabolic rate are commonly to assess athlete's physiological status and energy requirements. Exercise-induced dehydration can reach up to 5% of body mass per hour. Consequently, dehydration may have a profound physiological effect on human's homeostasis. OBJECTIVES To compare the effects of dehydration and(More)
The purpose of this study was to determine the effects of short-term plyometric training interposed with 24 or 48 hours of rest between training sessions on explosive and endurance adaptations in young soccer players. A total of 166 players, between 10 and 17 years of age, were randomly divided into 3 groups: a control group (CG; n = 55) and 2 plyometric(More)
BACKGROUND The aim of this study was to assess the effects of three exercise training program in the adaptation of the heart rate recovery of patients with insulin resistance. METHODS We studied 43 women with insulin resistance, which were assigned to three training groups: i) high intensity interval training (HIT, age 39.0 ± 10 y), ii) strength training(More)
This study aimed to evaluate and compare the hydration states prior to different sporting events (training sessions, friendly and official matches) in elite female soccer players and relate that to the importance that the player attached to the hydration state as a determinant of sports performance. The hydration state of 17 female elite soccer players(More)