Effect of sodium bicarbonate supplementation on two different performance indicators in sports: a systematic review with meta-analysis.

Purpose: Sodium bicarbonate shows ergogenic potential in physical exercise and sports activities, although there is no strong evidence which performance markers show the greatest benefit from this supplement. This study evaluated the effects of sodium bicarbonate supplementation on time trial performance and time to exhaustion in athletes and sports practitioners.

Methods: A systematic review was conducted using three databases, including 17 clinical trials.

Barriers to the involvement of the elderly in public services to promote physical activity.

The aim of this study was to examine the sociodemographic, health and behavioural characteristics related to non-participation of elderly people in activities offered by the program PROETI Health of Uberaba, Minas Gerais state. Observational study, case-control design with pairing 1:1 and sample composed of 220 elderly 60-80 years. Binary Logistic Regression was used to identify the sociodemographic, health and behavioral factors associated with non-engagement of non-users to the program.