Laika Bargain is shopping with her 3 year old son Nota. Nota is running around the store pulling cans of the shelf and endangering himself. Laika is tired after a full day of work and just wants to get her groceries and go home. Laika goes to get Nota. She picks Nota up by the right arm and lifts him to put him in the shopping cart. When Laika does this she hears a loud popping sound and Nota cries out in pain. Nota is guarding his right arm and is in great pain. Explain the likely cause of Nota’s pain.