Heart Rate Variability ( Hrv ) - 1623 Words

Heart rate variability (HRV) is quickly becoming a â€Å"buzz word† in fitness, but in reality this is a very old technology. Dating back to at least 1948 (15) HRV has been a commonly used method in research and is an accepted diagnostic tool in several diseases/conditions, such as post-traumatic stress disorder and type 2 diabetes (9, 23). HRV was, until recently, a tool that was confined to clinical and research settings, largely due to the prohibitively high cost of equipment. Recent advances in technology, particularly among heart rate monitors and smartphone-based apps, have now made this technology available to fitness professionals and health/fitness consumers. HRV is derived from mathematical properties of cardiac inter-beat intervals or what is referred to as a R-R interval. This inter-beat interval represents tiny changes in the timing (i.e. fractions of a second) from one heart beat to the next. Intuitively it would seem that a heart rate of 60 bpm would have exactly 1 second between each â€Å"beat.† It even seems reasonable that a very metronomic or steady heart rate would be indicative of health and/or fitness. In fact, just the opposite is true. A healthy cardiovascular control system will have a high level of complexity, or variability, while an aged, unfit or diseased system will show a loss of complexity or variability (21). HRV testing is an exquisitely sensitive tool that is capable of providing us with important health and fitness-based information acrossShow MoreRelatedHeart Rate Variability And Cognitive And Mind Body Therapies On Cardiovascular Conditions1514 Words   |  7 PagesHeart rate variability is defined as the variation in the interval between normal heart beats and provides an important non-invasive assessment of cardiac autonomic control. It is postulated to be the effect of the interplay between the sympathetic and the parasympathetic components of the autonomic nervous system. The SA node receives different inputs from the SNS, PSNS and the humoral factors which cause the beat to beat variation in the heart rate. Heart rate variability is thus an important indicatorRead MoreThe Effect Of Biofeedback On Basketball Players And Effect On Their On Court Performance877 Words   |  4 PagesElectromyographic Biofeedback (EMG BFB) and Electroencephalographic Biofeedback (EEG BFB) and found correlations between improvement in performance and responsiveness to stimuli. However, there has not been an analysis of the use of Heart Rate Variability Biofeedback (HRV BFB) which measures an increase in the response time and attention deficit in athletes. The most important aspect of an athlete’s performance is the ability to tune out outside disturbances during a game or match. If an athlete canRead MoreAnalysis Of Truman State University s Campus2744 Words   |  11 PagesIntroduction Throughout the course of everyday life, variability of heart rate is present for each individual. As the college students on the campus of Truman State University go about their day-to-day lives, they too experience the phenomenon of heart rate variability. While resting and using little movement, many students spend a great number of hours each day studying - a period of time when the body requires a smaller cardiac output in relation to times of movement. However, during the courseRead MoreDiabetes Mellitus : Common Metabolic Disease Affecting 29 Million Americans1087 Words   |  5 Pagesoffspring. Dr. Landa also suggests that the monitoring of heart rate variability can be an important method for helping control which genes are expressed. She states that, â€Å"Because stress plays a role in which of your genes will express themselves, monitoring it is key. A way to do this is with heart rate variability (HRV) training. HRV measures the intervals between your heartbeats, and if you have a low HRV, it means your heartbeats lack variability— and you likely don’t get enough rest and relaxationRead MoreThe Human Heart Is A Muscular Organ That Provides A Continuous Blood Circulation1837 Words   |  8 PagesINTRODUCTION WHAT IS HEART? The human heart is a muscular organ that provides a continuous blood circulation through the cycle and is one of the most vital organs in the human body. The heart is divided into four main chambers: the two upper chambers are called the left and right atria and two lower chambers are called the right and left ventricles. There is a thick wall of muscle separating the right side and the left side of the heart called the septum. Fig 1: HUMAN HEART[10] HOW DOES BLOODRead MoreHeart Failures Of Heart Failure782 Words   |  4 Pages Heart failure describes a medical condition when the heart is unable to pump sufficient blood to the body [85]. While heart failure does not mean the immediate stopping of the heart, it is a serious and fatal condition. A study has found that the 4-year mortality rate for chronic heart failure was 43% for patients with preserved systolic function, and 54% for patients with reduced systolic function [86]. Heart failure is prevalent, with about 2-3% of adults worldwide showing signs of heart failureRead MoreStatistical Analyses And Its Effect On The Quality Of The Physiological Data1218 Words   |  5 PagesStatistical Analyses The following physiological measures were assessed for statistical significance: RMSSD, HF power, SBP, DBP and HR. A natural log transformation was applied to HRV measures prior to the analysis. Each measure was analyzed using a one-way repeated measures ANOVA across each experimental condition: baseline, stressor, recovery. The application of repeated measures ANOVA calls for the assumption that the dependent variables follow a normal distribution. In the context of this studyRead MoreViolent Video Games Should Be Banned Essay1432 Words   |  6 Pagesleast, most shockingly one is the heart rate variability(HRV). The danger violent video games bring to your heart. For example, this research was done by three universities in Sweden where they divided boys into two groups, age 12 to age 15. Same as last experiment, one group was given violent video games and another non-violent video games. After that the research shown the group of boys that played a violent video games have a higher heart rate variability(HRV) during and even hours after theyRead MoreAnalysis Of 10 Second 6-Lead ECG And Holter Monitoring1737 Words   |  7 PagesIn the present study, Analysis of 10 second 6-lead ECG and Holter monitoring over 24 hours were successfully performed in all rhesus macaques enrolled to the present study. HR, ECG patterns, the frequency and complexity of arrhythmias, and HRV parameters obtained from the 10 second 6-lead ECG and 24-hour Holter monitoring were compared between the rhesus macaques with and without LVH. In the standard 10 seconds 6-lead ECG, the duration of a QRS complex was significantly longer in rhesus macaquesRead MoreHow Does Meditation Change The Brain And Body1443 Words   |  6 Pagesthat may be included in both topics of brain and body relating to stress regulation, heart rate variability, and emotional responses. This research paper examines these articles and their studies in order to support the argument that meditation encourages positive changes within the brain and body. Literature Review Considering Shearer et al.’s (2016) article that reviews meditation and its effects on stress and HRV, the conclusion to their studies was that meditation (more specifically mindful meditation)