Accelerometer Accuracy : Assessing Energy Expenditure

Brooks GA, Fahey TD, Baldwin KM (2005). Exercise Physiology: Human Bioenergetics and Its Application. 4th Edition

Pedometers assist individuals with self-monitoring by providing objective and quantifiable data on steps, distance and caloric expenditure. Individuals are able to see a measure of physical activity within the day and adjust their behaviour to meet a certain goal. Many interventions have been conducted using pedometers as a tool to increase participants physical activity over a period of time. A systematic review undertaken by Bravata et al., (2007) examined the use of pedometers to increase physical activity in twenty-six studies with a total of 2767 participants. Bravata et al., (2007) found pedometers significantly increased levels of physical activity by more than 25% from the baseline. A significant predictor of whether pedometers had an impact on physical activity was whether participants had a step goal (e.g. 10000 steps) (Bravata, et al., 2007). It was found a step goal further increased the level of physical activity, which relates to the self-regulation model. The studies have shown that individual who recorded data from the pedometer such as daily steps, were more successful than those who did not keep records (Bravata, et al., 2007; Tudor-Locke & Lutes, 2009). This indicates the importance of feedback on the creation of challenges and goal

(2014). A Consideration of the Paradigm of Exercise Physiology. Research In Sports Medicine, 22(3), 314-322.

The decline of jobs involving high intensity manual labor, the the rise of internet, computer, and T.V. access means that we are more sedentary than in the past. Engaging in physical activity prevents and alleviated many common disorders and diseases such as: obesity, hypertension, cardiovascular disease, depression, and type 2 diabetes. The Center for Disease Control and Prevention (CDC) recommends that adults get 2 and a half hours of moderate exercise during a week (CDC, 2008). In the past, few years several companies have produced smart devices to help monitor and motivate physical activity.

Everyone is in control of his or her life. No one, except the individual, knows exactly what tactics work when it comes to health. It can often be a process of trial and error. Andria Martin’s experience with her Fitbit Flex is exemplified through a summary, the writer’s personal reaction, as well as conclusions that are derived from personal opinions.

Dr. Delp’s research analyzes muscle movement, structure, and purpose with the use of model simulations mechanisms and other software technology. In Running with a load increases leg stiffness, it is identified that added loads to the body impacts running posture, causing crouching of the body, and does contribute to higher leg stiffness. In line with Dr. Delp’s talk today of the “Dynamics of walking and running,” a comparison is established between both types of movement and the authors delve into how each are impacted when under a load (ranging from 10-30% body fat). Subjects walking and running under a load, compared to zero load, were to found to have longer ground

These features are wonderful to have as a guide, it is unknown how accurate the device measure heart rate and therefore calories, as the device measure the calories you've burned based on your heart rate throughout the day. There is a very high possibility that your heart rate is different from the one displayed on the screen, and is only used as a guide to where your heart rate should be during different

According to the Centers for Disease Control and Prevention (CDC) (2014), only 21% of Americans are sufficiently physically active according to the guidelines set forth in 2008. Thus, living a sedentary lifestyle has become an epidemic, and one that is not without consequence. The CDC (2014) further states that one’s risk for heart disease, type 2 diabetes mellitus, stroke, depression, some cancers, and early death is noticeably higher for those living a sedentary lifestyle. Certainly, then, promoting physical activity is a simple intervention providers should practice to prommote overall health and prevent or delay the onset of disease. A motivational interview was conducted with Cherish Brown, a 22-year-old

The tools used during the study included a pedometer that was attached to the patient 's gown. The pedometer stayed on from 11 pm to 6 pm on the first test day (pretest) to get a baseline of ambulation. The two subsequent days (posttest) the pedometer was on from 7 am to 11 pm. The patient was instructed not to remove the pedometer as the researcher would do

The article that I choose is "Walking for fitness? Make it count with a pedometer" by Mayo clinic staff thus article can be found on www.mayoclinic.com. This article shows how using a pedometer can provide motivation and long/short term goals by ,creating customized feedback about your activity level, and show you your progress and how far you have come in reaching your goals. The Mayo Clinic staff explain how to get the best result and how to properly use the pedometer to help achieve and set higher and higher goals. For example in the article the staff describe easy steps to getting the best results and use out of your pedometer.

The results of this test show that it provides a valid test to estimate aerobic capacity and shows there is a small measurement of error. A polar heart rate monitor was used to measure the heart rate with a step of 30cm in height with a metronome with a beat at 15 steps, per minute and increased by 5 steps every minute for 5 stages or until 80% of the maximum estimated heart rate was reached. The results demonstrated that the Chester Step technique is a valid predictor of aerobic capacity in males and females from a wide range of ages and fitness levels.

Since coming to college, I’ve noticed a gradual dependence on using the university transportation services and free trolley to get to places. Regardless of weather and a sufficient walking time frame to get to class on time, taking the bus was the natural route. This habit formed due to how easily I am susceptible to cold temperature. Despite the warmer weather this past month compared to previous November climates, taking the bus has become routine. While contemplating this behavioral project, I reflected upon my lifestyle and noticed a significantly lowered efforts and attempts to exercise. This seemed especially true with the consistent busy exam and assignment schedules that placed going to the gym low on my priority list.

Data collected by accelerometers will be scored to a standard. First, before the official start of the 7-day study, each participant will calculate the total amount of their daily count. Then the accelerometer counts will be classified into three categories according to the intensity of exercise. Standards from the National Cancer Institute (NCI) will be used, which means 100-2019 counts will be defined as light, 2020-5988 counts will be in the category of moderate and 5999 counts and more will be classified as vigorous. Every day’s data will be evaluated and transformed into a total number on a basis of minutes and placed into the proper category.

If I was analyzing the results of an exercise machine that provided an average 10 pound weight loss result, I would seek several pieces of information. First, I would want to know the number of the population surveyed. I would also seek information regarding those who implemented a change in diet along with the use of the exercise machine. In order to lose weight, one must burn more calories than they take in (iVillage, 2004). Thus, one must implement a healthy diet to increase the probability of weight loss. I would need to know the time frame for which the loss occurred. Did the 10 pound loss happen in a weeks or months? Verification of actual exercise machine usage should be a required element for reference. The population represented within

Measurement of aerobic/anaerobic capacity allows evaluation of individual’s metabolic abilities, indicates state of fitness and effectiveness of training programs.