Objective: To determine whether exposure to repetitive head impacts over a single season
negatively affects cognitive performance in collegiate contact sport athletes. Methods: This is …

Worldwide, more than 22 million children and adolescents are exposed to repetitive head
impacts (RHI) in soccer. Evidence indicates cumulative effects on brain structure, but it is not …

Objective: To determine whether exposure to repetitive head impacts over a single season
affects white matter diffusion measures in collegiate contact sport athletes. Methods: A …

Concussions and subconcussive impacts sustained in American football have been
associated with short-and long-term neurological impairment, but differences in head impact …

OBJECT This study directly compares the number and severity of subconcussive head
impacts sustained during helmet-only practices, shell practices, full-pad practices, and …

Purpose The purpose of this study was to determine the relationship between repetitive
head impacts (RHI) and clinical concussion assessments across a season among collegiate …

Objective: To determine the rate and differential contribution of heading vs unintentional
head impacts (eg, head to head, goal post) to CNS symptoms in adult amateur soccer …

Initially, interest in sport-related concussion arose from the premise that the study of athletes
engaged in sports associated with high rates of concussion could provide insight into the …

Impacts to the head are common in collision sports such as football. Emerging research has
begun to elucidate concussion tolerance levels, but sub-concussive impacts that do not …

Background: Increased attention is being placed on the role of subconcussive impacts to the
head during football participation and long-term cognitive health. Some have suggested that …