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"Medicina Sportiva" No.14 - 2008 The 15-th Sports Medicine Balkan Congress
APPLIED EXERCISE PHYSIOLOGY


A SURVEY: THE EFFECT OF EIGHT WEEKS SUB MAXIMAL PHYSICAL ACTIVITY ON THE PLASMA FIBRINOGEN IN ELDERLY MALES

Mirdar Sh1, Bakhshandeh A1, Sadeghpour B1, Safiri H2
1Department of Exercise Physiology, Faculty of Physical Education and Sport Sciences, Department of Statistics, Faculty of Basic Sciences, Mazandaran University, Babolsar,
2Department of Pathology and Medicine, Babol Medicine Sciences University, Babol, Mazandaran Province, Iran

The researches show the risk of catching disease in the inactive persons is twice as much as active persons. On the other hand, inflammatory indexes serum measure has considered Fibrinogen, Homocysteine and CRP in comparison with bloody fats as strong predictors cardio-vascular
occurrences for researchers. Some of the researchers have reported contrary relationship between inflammatory indexes and cardio-respiratory preparedness degrees in the males and females. So, the purpose of research is the survey the effect of eight weeks sub maximal physical activity on the plasma.  Fibrinogen as cardio-respiratory risk factors in elderly males.
This periodic re-examination was the type of semi-experimental and applied-analytic. The Subjects of the research be consisted of 3 groups of 21 active middle-aged males between 50-75 years old that two experiential 1 and 2, and control groups with Vo2 Peak 51.14±2.7, 52.21±3.23, and 43.61±1.44 (on the basis of 1-mile Track Jog test and were divided voluntary, the information of standard registered health questionnaire, Baeck of Habitual Activity, and casually. Experiential group Ι carried out Balke-Ware sub maximal aerobic exercise 3 sessions and experiential group II, 5 sessions on the week during 8 weeks. But control group didn’t take part in the training program. Systole and Diastole pressure and heart rate was written by pulseoximeter any training program. Plasma Fibrinogen was measured by clot table and chronometric method kit according to mg/dl, before and after 48 hours training program.
Analysis of results carried out paired sample T-Test, One-way ANOVA, multi compare Tukey (LSD) on the surface of the meaningful P<0.05.

ANOVA Test

Sum of Squares

df

Mean
Square

F

Sig.

Post-VO2 Peak

Between Groups

991.542

2

495.771

13.973

.000

 

Within Groups

638.657

18

35.481

 

 

 

Total

1630.199

20

 

 

 

Post-Fibrinogen

Between Groups

3621.429

2

1810.714

.542

.591

 

Within Groups

60128.571

18

3340.476

 

 

 

Total

63750.000

20

 

 

 




The result of research shown Fibrinogen average in the post-test period has decreased in the two experiential groups, and has increased in the control group, but these variances weren’t meaningful paired sample T-Test and LSD test results. Furthermore, the variances results of Vo2 Peak average of the research’s subjects had shown increase in the 2 experiential groups and decrease in the control group. Also paired sample T-Test showed meaningful difference in surface P=0.05 between Vo2 Peak of all groups. Also results of oneway ANOVA and LSD multiple comparisons showed meaningful difference after 8 weeks in the sub maximal aerobic exercise (P=0.001) between Vo2 Peak of experiential and control groups too.
Generally, the low speed treadmill and increase of one percent gradient/min was considered two important elements of Balke-Ware modified protocol, because all subjects would be carried out 21 stages of 26 stages with out pain and the amplitude of heart rate 115 to 155 beat/min. In other words, their heart rate would be balanced in the higher level. So, although Fibrinogen as risk factors has not shown meaningful variances in the training program, but meaningful improvement of cardio-respiratory performance is an expression of the last training program effect for decreasing these indexes in the experiential group and prevention the incidence of cardio-vascular probable failures and perhaps appears to need longer time for more efficacy.   
Key words: sub maximal physical activity, fibrinogen, elderly male.





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