Background The long-term effect of repeated head impacts during purposeful heading in football is largely unknown. However, evidence suggests that head acceleration during purposeful heading may be ...

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 ...

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

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 ...