Background: Peripheral nerve injuries make up many upper extremity musculoskeletal disorders (UE-MSDs), as peripheral nerves in the upper extremities are susceptible to damage due to their superficial course and length. The health and economic burdens of peripheral nerve injuries are rising. Upper-limb peripheral nerve injuries caused by prone positioning in COVID-19 patients in intensive care have occurred during the current global pandemic. Understanding the incidence and causation of these injuries is essential, as these affect primarily young workers and athletes with skeletal immaturity and contribute to significant morbidity.
Methods and patients: A total of 789 patients, 481 of whom were male and 308 female, with limited upper-extremity movements, scapular winging, and pain due to upper brachial plexus, long thoracic and accessory nerve injuries (459 right, 282 left, and 48 bilateral) were included in the study. Patient age at the onset of injury ranged between 11 months and 68 years.
Results: A total of 18 causes of peripheral nerve injury were identified among the 789 patients with UE-MSD. The most affected patients (12.7%) were involved in sports and related activities, with 20 different sports and related activities reported in this patient population. Weightlifting caused the most (10.9%) number of injuries in this group. Incidences in the least affected patients were due to massage and viral infection, at 0.6% and 0.6% respectively.
Conclusions: Sports and recreational-related physical activities are essential components of a healthy lifestyle, and may help decrease the incidence of obesity, diabetes, and cardiovascular diseases. Injury and fear of impairment, however, can be barriers in the participation of these activities. Surgery and other interventions can help maximize return to work and regular activities after UE-MSDs.
Keywords: Etiology; Incidence; Nerve Injury; Shoulder Movements; Winging Scapula.
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