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Background: Adventure sports have grown in popularity over the past several decades, with evidence of more significant growth since the beginning of the COVID-19 pandemic. Previous literature has described head and neck injuries for this group of sports, although neither general musculoskeletal injuries nor injuries during the pandemic have been described. Purpose: To determine whether rates of adventure sports injuries changed from before to during and after the pandemic, using 10 years of national emergency department (ED) data, and to describe injury trends and demographics of injured patients. Study Design: Descriptive epidemiology study. Methods: All data were extracted from the National Electronic Injury Surveillance System (NEISS), a publicly available database operated by the US Consumer Product Safety Commission of approximately 100 US EDs representative of hospitals across the United States. NEISS was queried using its Query Builder function for adventure sports injuries from January 1, 2013, to December 31, 2022. Consistent with previous literature, our definition of adventure sports included snow skiing, snowmobiling, snowboarding, skateboarding, water skiing, mountain climbing, surfing, mountain biking, and motocross. Linear regressions and paired t tests were utilized for data analysis. Results: Based on the National Estimate (NE), there were 60,005 cases (NE = 2,534,437) of adventure sports–related injuries. Injuries were more common in males for all sports. The most common diagnosis was “fracture” for 5 of the 9 included sports. From 2013 to 2022, there were significant increases in skateboarding (P = .04; β = −0.660; 95% CI, –6618.181 to −244.437), surfing (P = .008; β = −0.778; 95% CI, –1018.419 to −209.193), and mountain biking (P = .009; β = 0.770; 95% CI, 279.601 to 1441.466) injuries. When comparing prepandemic (2013-2019) with peri- and postpandemic injuries (2020-2022), the only sports with a significant increase in injury rates during and after the pandemic were mountain biking (P = .0002; 95% CI, –8712.70 to −4097.96) and motocross (P = .0002; 95% CI, –12824.66 to −6230.77). Conclusion: Our study demonstrated that from 2013 to 2022, there were significant increases in skateboarding, surfing, and mountain biking injuries. There were significant increases in injury frequency from before to during and after the pandemic for mountain biking and motocross. Male athletes experienced the greatest percentage of injuries in all 9 sports, with adolescents comprising the most affected age group in the majority of these sports. These data may be useful in the development of injury awareness and prevention programs.

Introduction. Wakeboarding is an extreme sport that has shown increasing popularity in recent years, with an estimated 2.9 million participants in 2017. Due to this trend, injuries related to this sport are likely to become more common. Isolated femoral shaft are rare; however, they occur much more frequently in youth as a result of high velocity events, such as dashboard-related injuries. Few studies have addressed injuries related to wakeboarding, and of those that have, most have reported on muscle injuries, ligament ruptures, and sprains. Due to the dearth in literature, we want to present two cases of isolated noncontact femoral shaft fractures that resulted from wakeboarding. Case Presentation. Two 28-year-old, otherwise healthy, wakeboarders—patient A, male, and patient B, female—presented to our Department of Orthopaedics and Sports Medicine with isolated femoral shaft fractures. Both were admitted due to wakeboard-related noncontact injuries, where patient A fell while performing a sit-down start during cable wakeboarding and patient B after attempting a wake-jump. Both patients were being pulled by motorboats at roughly 40 km/h. After clinical examination and radiography, left spiral (AO classification: 32-A1.2) (patient A) and right-sided bending, wedge (AO classification 32-B2.2) (patient B) isolated femoral shaft fractures were diagnosed. No concomitant injuries were reported. For treatment, long reamed locked nails were applied, while the patients were under spinal anaesthesia. Physiotherapy was prescribed postoperatively. Patient A returned to wakeboarding 155 days after the surgery, and patient B returned after approximately half a year. Conclusion. This case series shows that even in noncontact sports such as wakeboarding, high-energy forces applied to the femur can cause isolated femoral shaft fractures. Despite multiple reports in various sports of stress fractures of the femur, there are few publications of direct trauma.

Background Acetabular retroversion is a rotatory abnormality of the entire hemipelvis that includes anterior over-coverage and posterior deficiency of the acetabulum, and is associated with pincer-type femoroacetabular impingement and posterior hip instability. Acetabular retroversion is thought to cause posterior dislocation of the hip in athletes due to both the pincer-type femoroacetabular impingement and posterior hip instability. Case presentation A 26-year-old Japanese man had acetabular retroversion that induced recurrent posterior dislocation of his hip due to excessive hip flexion while wakeboarding. We performed anteverting eccentric rotational acetabular osteotomy using preoperative three-dimensional planning and an intraoperative computerized navigation system. Our patient was able to return to sports activities 1 year postoperatively. Conclusions Both preoperative three-dimensional surgical planning software and an intraoperative navigation system can provide a highly accurate map for this complicated surgery that simultaneously improves the pincer-type femoroacetabular impingement and posterior deficiency of the acetabulum.