"I completely shut down": A mixed methods evaluation of the fear-avoidance model for young adults with a recent concussion and anxiety.

The study had only 17 participants, all aged 18 to 24, with a concussion within 10 weeks and at least mild anxiety, so it may not apply to children, older adults, people without anxiety, or people further from injury. The sample was mostly white and non-Hispanic, so findings may not transfer to more diverse groups. The quantitative analysis was underpowered, and the authors called the correlations preliminary, so they cannot establish cause. The study used a single time point, so it describes early recovery experiences and cannot show how symptoms, fear, avoidance, and recovery change over time. The questionnaires did not directly measure pain-related fear, social factors, or endurance behavior, and confrontation was represented only by mindfulness, so some model elements were incomplete. Participants were excluded if they practiced mindfulness for 45 minutes or more per week, had recent mind-body or cognitive behavioral therapy, or had persistent symptoms from a previous concussion, so the sample does not represent all people with concussion and anxiety.

Do not conclude that pacing, mindfulness, or social support prevent persistent concussion symptoms. The study had 17 participants, used a single time point, and did not test whether these strategies cause recovery.