Reduced level of physical activity during COVID-19 pandemic is associated with depression and anxiety levels: an internet-based survey.

Background: The coronavirus disease 2019 (COVID-19) pandemic has resulted in a strong negative impact on economic and social life worldwide. It has also negatively influenced people's general health and quality of life. The aim of the present study was to study the impact of social distancing on physical activity level, and the association between mood state (depression and anxiety level) or sex with actual physical activity levels, the change in physical activity caused by social distancing period, the adhesion level to social distancing, the adoption time of social distancing, family income and age.

CrossFit and the Epidemiology of Musculoskeletal Injuries: A Prospective 12-Week Cohort Study.

Background: Despite the increasing international popularity of CrossFit, there is a paucity of scientific evidence on the risk of CrossFit-related musculoskeletal injuries (CRMIs).

Purpose: To investigate the incidence (cumulative incidence proportion [IP] and incidence density [ID]) of CRMIs and the association of CRMIs with personal and training characteristics.

Study Design: Descriptive epidemiology study.

CrossFit®: Injury prevalence and main risk factors.

Objectives: This study sought to determine prevalences of injuries associated with CrossFit® training and assess profiles of these injuries and the affected athletes.

Methods: Data were collected over a 12-month period using a questionnaire administered directly to practitioners at CrossFit®-affiliated fitness centers in the state of São Paulo, Brazil. Of the 414 participants, 157 (37.