Objective To identify factors that contribute to head acceleration during purposeful soccer heading. Design Prospective. Setting Biomechanics laboratory. Participants One-hundred soccer players (42 ...

Background Concussion is a prominent injury risk in sport, but the mechanisms that cause concussion are unclear. An important debate centres on the roles of angular and linear head acceleration in the ...

Researchers used quantitative pupillometry to detect pupillary changes in high-school athletes after they sustained a high-acceleration head impact. These pupillary changes, indicative of changes in ...

Researchers from the University of Michigan found significant pupillary changes in high-school football athletes after they had sustained a high-acceleration head impact. The changes were detected ...