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Background: Both sleep duration and physical activity following concussion may influence subsequent recovery. Objective measurement of sleep and physical activity behavior via wearable technology may provide insights into their association with concussion recovery., Objective: To determine whether sleep behavior (eg, duration, timing) and/or physical activity (steps/day, or exercise frequency, duration, intensity) in the first month after adolescent sports-related concussion are associated with developing persisting postconcussion symptoms (PPCS)., Design: Case-control., Setting: Outpatient sports medicine clinic., Participants: The study prospectively enrolled adolescent athletes who sustained a concussion (N = 49, age = 14.8 ± 1.8 years; 51% female) who were evaluated within 14 days of concussion (mean = 6.7 ± 2.7 days) and followed uvia sleep/physical activity monitoring for the subsequent 2 weeks., Main Outcome Measures: Participants wore a monitor to track sleep (sleep time, wake time, and time spent awake in bed at night) and physical activity (average steps/day, exercise frequency, exercise duration) behavior for 2 weeks after initial assessment. Participants were followed until symptom resolution, and the main outcome of interest was development of PPCS (symptom duration >28 days). A multivariable logistic regression model was used to examine associations between physical activity and sleep behavior with PPCS., Results: Of the 49 participants, 47% (n = 23, mean symptom resolution = 57 ± 23 days post injury) developed PPCS and 53% (n = 26, mean symptom resolution = 15 ± 7 days post injury) did not. Univariable analysis showed that the PPCS group took fewer steps/day (7526 ± 2975 vs. 9803 ± 3786 steps/day; p = .02), exercised less frequently (2.5 ± 2.2 vs. 4.4 ± 2.1 days/week; p = .005), and spent more time in bed awake (1.2 ± 0.3 vs. 0.8 ± 0.3 h/night; p = .03) than the no PPCS group. Multivariable results indicated the odds of developing PPCS significantly increased with fewer exercise session/week (adjusted odds ratio = 1.96, 95% confidence interval = 1.09, 3.51, p = .024)., Conclusions: More exercise sessions that were longer than 15 minutes during concussion recovery was associated with a lower risk of developing PPCS, whereas sleep and other physical activity measures were not. Further studies regarding exercise duration and intensity are needed. Clinicians may consider advising patients to optimize sleep and physical activity during concussion recovery., (© 2022 American Academy of Physical Medicine and Rehabilitation.)

Background: Gymnastics is a competitive sport with numerous health benefits. However, few data exist that examine the lasting effects of injuries in retired gymnasts., Objective: To examine pain interference among former collegiate gymnasts. Specifically, we focused on the relationship between gymnastics-related injuries sustained during middle/high school or college that required surgery and former collegiate gymnasts' current pain. We hypothesized that injuries requiring surgery would be associated with increased pain and reduced function after retirement., Design: Cross-sectional survey., Setting: An online questionnaire was distributed to former female collegiate gymnasts via social media., Participants: A total of 447 former female collegiate gymnasts completed the survey and were grouped according to whether they indicated an injury during their middle/high school or collegiate gymnastics career that required surgery., Main Outcome Measures: The association between current pain interference (Patient-Reported Outcomes Measurement Information System [PROMIS] scale) and injuries in middle/high school or college that resulted in surgery. Pain interference elements included current enjoyment of life, ability to concentrate, participation in day-to-day activities, enjoyment of recreational activities, ability to perform errands, and ability to socialize with others., Results: Those who reported an injury that resulted in surgery (n = 260; mean current age ± SD = 32.8 ± 9.5 years) were younger than those who did not at the time of survey completion (n = 187; current age: 37.0 ± 11.0 years) and reported beginning gymnastics at an earlier age (4.4 ± 2.0 years vs. 5.1 ± 2.5 years; p = .001). There were no statistically significant differences between the groups on any PROMIS questions. In secondary analyses, we found a small but significant association between beginning gymnastics at an earlier age and the odds of requiring surgery (odds ratio = 1.11, 95% confidence interval [CI] = 1.02-1.21; p = .02)., Conclusions: Most retired gymnasts reported a gymnastics-related injury that required surgery. Gymnasts who start gymnastics at a younger age were more likely to sustain an injury that required surgery, but surgery was not associated with higher levels of pain interference., (© 2021 American Academy of Physical Medicine and Rehabilitation.)