Physical activity levels among adolescents in a low socioeconomic school in South Africa using the International Physical Activity Questionnaire (IPAQ), with comparative reflection of COVID-19 restrictions on physical activity. Undergrad Res Health [Internet]. 2024 Oct. 29 [cited 2025 Oct. 7];2(2):e1756. Available from: https://samajournals.co.za/index.php/urhj/article/view/1756