Reference Values for the Headache Impact Test-6 Questionnaire.

Objective: To determine reference values for the Headache Impact Test-6 (HIT-6) in a young, physically active cohort and to examine the influence of sex, concussion history, headache history, and competitive sport level on HIT-6 scores.

Design: Cross-sectional.

Setting: United States Service Academy.

Factors Associated With Delayed Concussion Reporting by United States Service Academy Cadets.

Context: Approximately half of individuals who sustain a concussion do not immediately report their injuries. Motivators for not reporting include thinking the suspected concussion was not a serious injury and wanting to continue participating in activity. Additionally, military personnel have concerns about how concussions may affect their careers.

Single-Leg Jump Performance Before and After Exercise in Healthy and Anterior Cruciate Ligament Reconstructed Individuals.

Context: Many clinicians measure lower-extremity symmetry after anterior cruciate ligament reconstruction (ACLR); however, testing is completed in a rested state rather than postexercise. Testing postexercise may better model conditions under which injury occurs.

Objective: To compare changes in single-leg performance in healthy and individuals with history of ACLR before and after exercise.