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Approximately 20-70% of the population will experience at least one episode of neck pain in their lifetime [1,2]. Common causes of neck pain include macrotrauma (i.e. single traumatic/forceful events) and microtrauma (i.e. minor, repetitive trauma/injury over a long time) both of which can result in loss of function. This loss of function can negatively impact an individual's performance and activities of daily living. A unique subpopulation that is rapidly rising and commonly reports neck pain are eSport athletes. Colleges across the country have seen a steady surge in this growing population.A recent poll of over 40 eSport athletes revealed that 34% of them experienced neck and back while competitively gaming [3]. There is growing concern over the health and well-being of these student athletes. Their posture and sustained positioning during competitive gaming can last for 3-6 hours and must be considered as a potential contributing factor of their symptoms. A decline in verticality and upright seated positioning has been seen to occur within 30 minutes of competition. (Figure 1) These prolonged, aberrant postures can propagate a host of signs and symptoms often associated with neck pain.

The results of this study provide evidence that there is no appreciable difference in excursion or strain when substituting shoulder internal rotation for external rotation during the ULNT3. Patients who exhibit limitation of shoulder external rotation mobility may benefit from this substitution when presenting with signs of ulnar nerve pathodynamics. Further research involving patients will be needed to assess the validity of the experimental maneuver for clinical application.

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