scholarly journals Investigation of Blood Lactate Levels, Hearth Rates and Technical Performance of Hearing-Impaired Elite Male Greco-Roman Wrestlers

2019 ◽  
Vol 7 (5) ◽  
pp. 27
Author(s):  
Ali Osman Kıvrak ◽  
Şirin Pepe
Keyword(s):  
Blood Lactate ◽  
Recovery Period ◽  
Hearing Impaired ◽  
Negative Effects ◽  
Heart Rates ◽  
Technical Performance ◽  
Greco Roman ◽  
Lactate Levels ◽  
Maximal Effort ◽  
Blood Lactate Levels

This study was conducted with hearing-impaired elite greco-roman wrestlers to determine the relationships and variations in heart rates (HR), blood lactate (La) levels and number of performances during the maximal effort and recovery periods. Voluntary 8 hearing-impaired elite male wrestlers with an average age of 21,75±2,05 years participated into present experiments. Resting heart rates of the athletes were determined before the maximal effort, blood samples were taken for lactate levels, athletes took warm up and stretching exercises for 15 minutes. For maximal effort, athletes performed hip-headlock throw technique for 2 minutes in 3 periods. Proper performances were counted and heart rates were measured in between the periods. To determine recovery characteristics of the athletes after maximal effort, HR and La levels were determined at 3rd, 15th and 30th minutes after maximal effort.Heart rate responds to hip-headlock throws at the end of the 1st period were lower than the heart rates at the end of the 2nd and 3rd periods and heart rates at the end of the 2nd period were lower than the heart rates at the end of the 3rd period (p<0.05). Number of performances in the 1st period was greater than the number of performances in the 2nd and 3rd periods and number of performances in the 2nd period was greater than the number of performances in the 3rd period (p<0.05). HR values increased and number of performances decreased with the progress of periods. There were significant differences in HR and number of performances of the periods (p<0.05).HR and La reached to the maximum levels right after the end of wrestling game and a significant decrease was observed after the 3rd minute of resting (p<0.00). Significant decreases continued at the 15th and 30th minutes of the resting as compared to the 3rd minute (p<0.00). Blood lactate levels also reached to the maximum at the 3rd minute of resting with the effort spend in the 3rd period; then significant decrease was observed at the 15th minute of resting (p<0.00) and significant decreases were also observed in blood lactate levels between the 15th and 30th minutes of resting (p<0.00).It was concluded based on present findings that increasing heart rates negatively influenced number of performances. In other words, tiredness had negative effects on number of performances. Present findings also revealed that during the recovery period, lactate levels decreased quite slower than heart rates. In this sense, it was assumed that La level was the primary criterion of the recovery.

Activity before exercise influences recovery metabolism in the lizard Dipsosaurus dorsalis

2000 ◽  
Vol 203 (12) ◽  
pp. 1809-1815
Author(s):  
D.A. Scholnick ◽  
T.T. Gleeson
Keyword(s):  
Oxygen Consumption ◽  
Metabolic Rate ◽  
Blood Lactate ◽  
Recovery Period ◽  
Maximal Activity ◽  
Warm Up ◽  
Dipsosaurus Dorsalis ◽  
Rate Of Oxygen Consumption ◽  
Lactate Levels ◽  
Blood Lactate Levels

During recovery from even a brief period of exercise, metabolic rate remains elevated above resting levels for extended periods. The intensity and duration of exercise as well as body temperature and hormone levels can influence this excess post-exercise oxygen consumption (EPOC). We examined the influence of activity before exercise (ABE), commonly termed warm-up in endotherms, on EPOC in the desert iguana Dipsosaurus dorsalis. The rate of oxygen consumption and blood lactate levels were measured in 11 female D. dorsalis (mass 41.1 +/− 3.0 g; mean +/− s.e.m.) during rest, after two types of ABE and after 5 min of exhaustive exercise followed by 60 min of recovery. ABE was either single (15 s of maximal activity followed by a 27 min pause) or intermittent (twelve 15 s periods of exercise separated by 2 min pauses). Our results indicate that both single and intermittent ABE reduced recovery metabolic rate. EPOC volumes decreased from 0.261 to 0.156 ml of oxygen consumed during 60 min of recovery when lizards were subjected to intermittent ABE. The average cost of activity (net V(O2) during exercise and 60 min of recovery per distance traveled) was almost 40 % greater in lizards that exercised without any prior activity than in lizards that underwent ABE. Blood lactate levels and removal rates were greatest in animals that underwent ABE. These findings may be of particular importance for terrestrial ectotherms that typically use burst locomotion and have a small aerobic scope and a long recovery period.

Recovery from maximal effort exercise: lactate disappearance and subsequent performance

1979 ◽  
Vol 47 (4) ◽  
pp. 677-682 ◽  
Author(s):  
A. Weltman ◽  
B. A. Stamford ◽  
C. Fulco
Keyword(s):  
Blood Lactate ◽  
Anaerobic Threshold ◽  
Performance Test ◽  
Bicycle Ergometer ◽  
Active Recovery ◽  
Subsequent Performance ◽  
Severe Exercise ◽  
Lactate Levels ◽  
Maximal Effort ◽  
Blood Lactate Levels

The effects of differing recovery patterns following maximal exercise on blood lactate disappearance and subsequent performance were examined. Nine subjects completed four randomly assigned experimental sessions. Each session consisted of a 5-min maximal effort performance test conducted on a Monark bicycle ergometer (T1) followed by 20 min of recovery and a second 5-min maximal effort performance test (T2). Blood lactate levels were measured during min 5, 10, 15, and 20 of recovery. Recovery patterns consisted of passive recovery (PR), active recovery below anaerobic threshold (AR less than AT), active recovery above anaerobic threshold (AR greater than AT), and active recovery above anaerobic threshold while breathing 100% oxygen (AR greater than AT + O2). Blood lactate levels prior to T2 were significantly different across treatments (P less than 0.05). Comparison among treatments and between T1 and T2 revealed no significant differences in work output. It was concluded that while lactate disappearance following severe exercise can be affected by varying the recovery pattern, elevated levels of blood lactate exert no demonstrable effect on maximal effort performance of 5-min duration.

scholarly journals Análisis antropométrico, fisiológico y temporal en jugadoras de pádel de elite (Anthropometric, physiological and temporal analysis in elite female paddle players)

Retos ◽  
2015 ◽  
pp. 107-112
Author(s):  
Francisco Pradas de la Fuente ◽  
Javier Cachón Zagalaz ◽  
David Otín Benedí ◽  
Alejandro Quintas Hijós ◽  
Salas Inmaculada Arraco Castellar ◽  
...  
Keyword(s):  
Heart Rate ◽  
Blood Lactate ◽  
Temporal Structure ◽  
Recovery Period ◽  
Temporal Analysis ◽  
Playing Time ◽  
And Performance ◽  
Lactate Levels ◽  
Simulated Match ◽  
Blood Lactate Levels

El objetivo de este estudio fue determinar en el pádel femenino de elite (PFE) las características antropométricas, la respuesta fisiológica y la estructura temporal producida durante una competición simulada (CS). Seis jugadoras con una experiencia mínima de 4 años en pruebas del circuito oficial fueron seleccionadas para participar en esta investigación. Se registraron diferentes medidas corporales para estudiar el perfil antropométrico: masa corporal, talla, 6 pliegues, 4 perímetros y 3 diámetros. Durante la CS fueron registradas las siguientes variables: i. Frecuencia cardíaca máxima (FCmáx), mínima (FCmín) y media (FCmed) de cada juego, set y total; ii. Niveles lácticos al terminar cada set, al finalizar el partido y en los minutos 2, 4, 6, 8 y 10 del periodo de recuperación; iii. Tiempo de juego total. Los valores antropométricos analizados reflejaron un somatotipo endo-mesomórfico (3.7-4.2-2.5). Los resultados fisiológicos obtenidos durante la CS fueron de 177±9.2 y 151±8.1 lpm para la FCmáx y FCmed respectivamente. Los niveles lácticos máximos alcanzados fueron de 2.4±.6 mmol.l. La duración media de los partidos fue de 56:11±00:38 m. La FCmáx fue de un 76.3% respecto a la máxima hallada en laboratorio. Los niveles de lactacidemia registrados situaron el esfuerzo en la vía metabólica aeróbica con cortos periodos entre el metabolismo aeróbico-anaeróbico. Conocer estos datos resulta de gran utilidad como método de control del rendimiento y de planificación del entrenamiento en el PFE.Palabras clave: composición corporal, somatotipo, lactato, frecuencia cardiaca, estructura temporal.Abstract: The aim of this study was to analyze anthropometric characteristics, physiological response and structure temporal produced in elite female paddle players (EFPP) during a simulated competition (SC). Six EFPP, with four years minimum experience in official circuit competitions, were selected for this study. Different body measures were registered to obtain the anthropometric profile: body mass, height, 6 skinfolds, 4 girths and 3 breadths. During CS the following variables were recorded: i. Maximum heart rate (HRmax), minimum and medium heart reat (HRmin and HRmed) on each game, set and final match; ii. Blood lactate levels after each set and lactate levels in minutes 2, 4, 6, 8, and 10 during recovery period; iii. Total playing time. Anthropometric values showed a mesoendomorfic somatotype (3.7-4.2-2.5). Physiological results showed that average achieved during SC was 177±9.2 and 151±8.1 bmp HRmax and HRmed, respectively. Maximum blood lactate levels showed by EFPP were 2.4±0.6 mMol.L-1. The mean match time was 56:11±00:38 m. Percentage of HRmax during simulated match was 76.3% of maximum value obtained during laboratory test. Blood lactate levels during SC showed that EFPP spent most of the time at aerobic intensities with brief periods at anaerobic intensities. Data obtained in this study provides useful information in EFPP training periodization and performance management.Key words: body composition, somatotype, blood lactate, heart rate, temporal structure.

scholarly journals Effects of whole-body neuromuscular electrical stimulation device on hemodynamics, arrhythmia, and sublingual microcirculation

2021 ◽  
Author(s):  
Megumi Hoshiai ◽  
Kaori Ochiai ◽  
Yuma Tamura ◽  
Tomoki Tsurumi ◽  
Masato Terashima ◽  
...  
Keyword(s):  
Electrical Stimulation ◽  
Blood Glucose ◽  
Blood Lactate ◽  
Neuromuscular Electrical Stimulation ◽  
Whole Body ◽  
Left Ventricular Ejection ◽  
Sublingual Microcirculation ◽  
Blood Fluidity ◽  
Lactate Levels ◽  
Blood Lactate Levels

AbstractNeuromuscular electrical stimulation has been used to treat cardiovascular diseases and other types of muscular dysfunction. A novel whole-body neuromuscular electrical stimulation (WB-NMES) wearable device may be beneficial when combined with voluntary exercises. This study aimed to investigate the safety and effects of the WB-NMES on hemodynamics, arrhythmia, and sublingual microcirculation. The study included 19 healthy Japanese volunteers, aged 22–33 years, who were not using any medication. Electrocardiogram (ECG), echocardiography, and blood sampling were conducted before a 20-min WB-NMES session and at 0 and 10 min after termination of WB-NMES. Their tolerable maximum intensity was recorded using numeric rating scale. Arrhythmia was not detected during neuromuscular electrical stimulation or during 10 min of recovery. Blood pressure, heart rate, left ventricular ejection fraction, and diastolic function remained unchanged; however, mild mitral regurgitation was transiently observed during WB-NMES in a single male participant. A decrease in blood glucose and an increase in blood lactate levels were observed, but no changes in blood fluidity, sublingual microcirculation, blood levels of noradrenaline, or oxidative stress were shown. WB-NMES is safe and effective for decreasing blood glucose and increasing blood lactate levels without changing the blood fluidity or microcirculation in healthy people.

scholarly journals Serial blood lactate levels as a prognostic factor for sepsis mortality

2014 ◽  
Vol 54 (3) ◽  
pp. 168
Author(s):  
Keswari Aji Patriawati ◽  
Nurnaningsih Nurnaningsih ◽  
Purnomo Suryantoro
Keyword(s):  
Blood Lactate ◽  
Lactate Clearance ◽  
Major Health Problem ◽  
Major Health ◽  
Serial Blood ◽  
Factors Associated ◽  
Relative Risks ◽  
Increased Risk ◽  
Lactate Levels ◽  
Blood Lactate Levels

Background Sepsis is a major health problem in children and aleading cause of death. In recent decades, lactate has been studiedas a biomarker for sepsis, and as an indicator of global tissuehypoxia, increased glycolysis, endotoxin effect, and anaerobicmetabolism. Many studies h ave shown both high levels andincreased serial blood lactate level measurements to be associatedwith increased risk of sepsis mortality.Objective To evaluate serial blood lactate levels as a prognosticfactor for sepsis mortality.Methods We performed an observational, prospective study in thePediatric Intensive Care Unit (PICU) at DR. Sardjito Hospital,Yogyakarta from July to November 2012. We collected serialblood lactate specimens of children with sepsis, first at the time ofadmission, followed by 6 and 24 hours later. The outcome measurewas mortality at the end ofintensive care. Relative risks and 95%confidence intervals of the factors associated with mortality werecalculated using univariate and multivariate analyses.Results Sepsis was found in 91 (50.3%) patients admitted tothe PIW , of whom 75 were included in this study. Five patients(6. 7%) died before the 24-hour lactate collection and 39 patients(52.0%) died during the study. Blood lactate levels of ~ 4mmol;Lat the first and 24-hour specimens were associated with mortality(RR 2.9; 95%CI 1.09 to 7 .66 and RR 4.92; 95%CI 1.77 to 13.65,respectively). Lactate clearance of less than 10% at 24 hours(adjusted RR 5.3; 95% CI 1.1 to 24.5) had a significantly greaterrisk fo llowed by septic shock (adjusted RR 1.54; 95%CI 1.36 to6.4 7) due to mortality.Conclusion In children with sepsis there is a greater risk of mortalityin those with increasing or persistently high serial blood lactatelevels, as shown by less than 10% lactate clearance at 24-hours afterPIW admission.

Oxamate Enhances the Anti-Inflammatory and Insulin-Sensitizing Effects of Metformin in Diabetic Mice

Pharmacology ◽  
2017 ◽  
Vol 100 (5-6) ◽  
pp. 218-228 ◽  
Author(s):  
Mu-chao Wu ◽  
Wei-ran Ye ◽  
Yi-jia Zheng ◽  
Shan-shan Zhang
Keyword(s):  
Blood Lactate ◽  
Cell Mass ◽  
Lactate Production ◽  
Beta Cell Mass ◽  
Serum Lactate ◽  
Blood Levels ◽  
Anti Inflammatory ◽  
Lactate Levels ◽  
Blood Lactate Levels

Metformin (MET) is the first-line drug for treating type 2 diabetes mellitus (T2DM). However, MET increases blood lactate levels in patients with T2DM. Lactate possesses proinflammatory properties and causes insulin resistance (IR). Oxamate (OXA), a lactate dehydrogenase inhibitor, can decrease tissue lactate production and blood lactate levels. This study was conducted to examine the effects of the combination of OXA and MET on inflammation, and IR in diabetic db/db mice. Supplementation of OXA to MET led to lowered tissue lactate production and serum lactate levels compared to MET alone, accompanied with further decreased tissue and blood levels of pro-inflammatory cytokines, along with better insulin sensitivity, beta-cell mass, and glycemic control in diabetic db/db mice. These results show that OXA enhances the anti-inflammatory and insulin-sensitizing effects of MET through the inhibition of tissue lactate production in db/db mice.

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