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Carla Caroliny de Almeida Santana, Breno Quintella Farah, Liane Beretta de Azevedo, James O. Hill, Thrudur Gunnarsdottir, João Paulo Botero, Edna Cristina do Prado and Wagner Luiz do Prado

Obesity has been associated with poor academic achievement, while cardiorespiratory fitness (CRF) has been linked to academic success.

Purpose:

To investigate whether CRF is associated with academic performance in Brazilian students, independently of body mass index (BMI), fatness and socioeconomic status (SES).

Methods:

392 5th and 6th grade students (193 girls) (12.11 ± 0.75 years old) were evaluated in 2012. Skinfold thickness measures were performed, and students were classified according to BMI-percentile. CRF was estimated by a 20-meter shuttle run test, and academic achievement by standardized math and Portuguese tests. Multiple linear regression analyses were conducted to explore the association between academic performance and CRF, adjusted for SES, skinfold thickness or BMI-percentile.

Results:

Among girls CRF was associated with higher academic achievement in math (β = 0.146;p = .003) and Portuguese (β = 0.129;p = .004) in crude and adjusted analyses. No significant association was found among boys. BMI was not associated with overall academic performance. There was a weak negative association between skinfold thickness and performance in mathematics in boys (β =- 0.030;p = .04), but not in girls.

Conclusion:

The results highlight the importance of maintaining high fitness levels in girls throughout adolescence a period commonly associated with reductions in physical activity levels and CRF.

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Adilson Santos Andrade de Sousa, Marilia A. Correia, Breno Quintella Farah, Glauco Saes, Antônio Eduardo Zerati, Pedro Puech-Leao, Nelson Wolosker, Gabriel G. Cucato and Raphael M. Ritti-Dias

This cross-sectional study compared physical activity levels and barriers between 212 men and women with symptomatic peripheral artery disease. Physical activity was objectively measured by an accelerometer. Barriers to physical activity were obtained using a validated questionnaire. Women reported higher amounts of light physical activity (p < .001) and lower moderate–vigorous physical activity (p < .001) than men. Women more often reported barriers such as “not having anyone to accompany” (p = .006), “lack of money” (p = .018), “fear of falling or worsening the disease” (p = .010), “lack of security” (p = .015), “not having places to sit when feeling leg pain” (p = .021), and “difficulty in getting to a place to practice physical activity” (p = .015). In conclusion, women with symptomatic peripheral artery disease presented with lower amounts of moderate–vigorous activity and more barriers to activity than men. Strategies to minimize the barriers, including group actives and nonpainful exercises, are recommended for women with peripheral artery disease.