Increase of fitness level assessed through heart rate, body mass index and muscular mass as component of a healthy life style

Author: Cristian Negrea
Received 24 September 2012, accepted 18 January 2013.
Abstract

The study was conducted on a sample of 42 adult volunteers from Romania, aged 30 years, with sedentary lifestyle, grouped into the following categories: normal weight and obese (World Health Organisation-WHO). The study lasted six months and investigated the evolution of several fitness parameters, which represent the expression of health state of a human adult organism: heart rate in rest, body mass index (BMI) and muscular mass. The subjects consisting of adult persons, women and men, followed a specific program of physical training aiming the two components of the fitness: aerobe and muscular. The training frequency was three times a week and respectively one hour daily for each subject. Nutritive supplements were not administrated. Also, the proportion of proteins, carbohydrates and lipids administrated to each person by food during the study were identical, being respected in the same time the differences arising from the body weight. Results showed that following physical training and controlled nutrition, all the analyzed parameters were improved. For both studied categories of subjects, significantly lower values (p < 0.05) of the heart rate at rest were recorded at the end of the programme as compared to the values obtained upon the initial testing. Also, following the training programme, the subjects were differently distributed according to the body mass index values as compared to the values obtained upon the initial testing. Thus, subjects initially classified in the 1st and 2nd degrees of obesity were later distributed as normal weight and overweight, respectively (according to WHO). As for the muscle mass index, a significant increase occurred (p < 0.05) in both categories of subjects, which represents an argument for using this type of training in cases where muscular hypertrophy is also targeted.

Journal: Food, Agriculture and Environment (JFAE)
Online ISSN: 1459-0263Year: 2013, Vol. 11, Issue 1, pages 278-280. Publisher: WFL.


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