Book excerpt: Background. Mood disturbances following musculoskeletal injury in sport have been documented; however, there is a dearth of research examining the emotional consequences of concussion. Purpose and method. To determine if concussed and musculoskeletal injured athletes experience differential emotional recovery, the short Profile of Mood States (POMS; Grove & Prapavessis, 1992) assessed emotional functioning serially from pre-season to 2-weeks post-injury. A healthy control group was also tested over two weeks. Results. There were no significant differences in mood pre-injury. A 2 (pre-post injury) x 2 (group) ANOVA revealed significant changes over time for Depression, Vigor, and Total Mood Disturbance. Significant interactions for Anger and Fatigue were observed in the two injured groups. Athletes with musculoskeletal injuries had more Anger immediately post-injury than controls, and concussed athletes had increased Fatigue and lower Vigor scores than controls. Reliable Change analyses at 2-weeks post-injury revealed that the five athletes classified as deteriorated were those with a history of concussion. Implications. Emotional disruption in concussed athletes is similar to, but not necessarily the same as, that associated with athletes who suffer musculoskeletal injury. This emotional disturbance may vary among concussed athletes, and warrants monitoring during recovery.