A US-based influencer experienced a medical nightmare when her jaw got stuck in an open position after a large yawn. Jenna Sinatra, from New Jersey, shared her ordeal on social media, including photos of her visit to the hospital, X-rays, and the successful treatment that fixed her jaw. Medical experts explained that such a condition is rare and often occurs in people with Temporomandibular Joints (TMJ) problems, which can cause dislocation of the jaw. The incident has sparked shock and concern among netizens, highlighting the potential risks associated with everyday activities.