A B S T R A C T To assess the impact of physical activity on administrative environment on the health of older people in Congo Brazzaville. This longitudinal study of comparative type was conducted on 60 subjects divided into two groups: 30 walkers (including 15 women and 15 men of the club of walkers Diata district of the city of Brazzaville Congo) and 30 sedentary. Their average age was 51.00 ± 6.36 years respectively for men and 52.86 ± 6.03 years for women. All subjects had a practice of

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... ation of physical activity and sport (power walking) at least one (1) year s with two (2) sessions per week. The biometric parameters (height, weight, body mass index, the adbomen-hip ratio), clinical (heart rate and blood pressure) were evaluated. The values were compared between the two groups: practicing physical and sedentary activity. Reduction in weight in patients practicing physical activity was observed compared to sedentary with values of 70.13 ± 6.38 kg versus 72.93 ± 7.67 kg for men and 70.93 ± 11.29 kg vs 78.4 ± 16.49 kg for women, the abdomen-hip ratio was not significant between groups. Similarly, a decrease in blood pressure and resting heart rate was observed in patients (men and women) practicing walking compared to sedentary subjects with values of blood pressure (systolic and diastolic) from 121.33 ± 10.72 versus 133, 26 mmHg; 86.53 ± 12.79 versus 87.46 ± 13.61 mmHg and heart rate 78.20 ± 11.87 versus 73.86 ± 8.62 bpm for men. As the values of blood pressure (systolic and diastolic blood pressure) of 120.20 ± 9.84 vs 130.46 ± 15.17 mmHg for systolic blood pressure; 78.80 ± 9.34 versus 90.60 ± 16.17 mmHg diastolic blood pressure and heart rate 80.13 ± 12.60 versus 81.93 ± 10.90 bpm in women. A rational and regular practice of running in the elderly has beneficial health effects: body composition and its hemodynamic profile.