Influencer, 21, gets her jaw stuck wide open after yawning too hard – and docs have to ‘manually’ shut it

AN INFLUENCER yawned so hard her jaw got locked in place – with her mouth wide open.

Jenna Sinatra, 21, from New Jersey, suffered the jaw-dropping accident just days before her birthday.

InstagramJenna Sinatra, 21, dislocated her jaw after yawning too hard[/caption] InstagramShe spent four hours in hospital before getting her jaw manually put back together[/caption] InstagramIt took four doctors to “shove” her jaw in place, Jenna said[/caption]

In a now viral series of videos...