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THE EFFECTS OF A PERIOD OF MILITARY SERVICE ON BODY COMPOSITION COMPONENTS AND FACTORS OF PHYSICAL FITNESS IN POLICE FORCES

By Alireza Tabrizaian, Mohammad Taghi Khorand, Mohammad Ali Nodehi and Mojtaba Ahmadi

Abstract

The purpose of the present study was to investigate the effects of a period of military service physicalfitness and body composition camponents in police soldiers.For this purpose from 200 soldiers; 124 were selected nonrandomly. The mean age of the subjectswas 22.9±0.34 yrs; also weight and height of subjects were accordingly 74.3±13.3 kg and 170.3±9.27cm.The method of the study was explained to the subjects; and they filled up the informed consent andmedical-sport forms. Then subject participated in military service training for two month. Physicalfitness and body composition components were measured at pre-post tests accordingly:1. Local endurance of abdominal muscles by using sit-up tests (2 min): 2. Power of the leg musclesby using standing long jump test; 3. Speed; by using 60 meter run test; 4. Shoulder girdle muscleendurance by using push-up test (2 min): 5. Agility; by using 4x9 m. back & forth run test; 6. Cardiorespiratoryendurance by using 3200 m. run test. Skinfold fat of the subjects were measured; andaccording to that; percent body fat and fat free mass were computed. At the end; the t- student testwas used to compare the pre and post-tests.The results of this study revealed that there is a significant increase in cardio-respiratory endurance;local endurance of abdominal muscles; shoulder girdle muscle endurance; power; speed and agility(P≤0.05). A significant decrease was indicated in body weight; percent body fat and fat mass of thesubjects (P≤0.05). On the other hand; a significant decrease; was also observed in fat free mass.Therefore it can be concluded that a period of military service training caused significant changes inphysical fitness and body composition components. However; there are two points of considerationmentioned below;1. Significant decrease in body fat in order to improve the physical fitness of the subjects isexplainable; however significant decrease of weight and fat free mass concerns other variables relatedto physical fitness and body composition; such as sleep; and rest; nutrition and other psychologicalfactors.2. The significant increase of all physical fitness components of the subjects is not an indication of ahigh quality-training program. Because; the results of the subjects pre and post-tests and comparingthem to reliable norms indicated that they were very weak; and even in post-test

Topics: Cardio-respiratory Endurance, Strength, Muscular Endurance, Fat Mass, Fat Free Mass, Police Forces, LCC:Medicine (General), LCC:R5-920, LCC:Medicine, LCC:R, DOAJ:Medicine (General), DOAJ:Health Sciences
Publisher: Electronic Physician
Year: 2011
OAI identifier: oai:doaj.org/article:1ad79dbb5f324dea947f7c87f7865431
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