The present disclosure provides exemplary arm immobilization devices for a person and associated methods of use. Thus, in one aspect, the disclosure provides a device including or comprising a belt configured and dimensioned to be detachably secured around a torso of the person. In certain embodiments, the arm immobilization device includes a bolster detachably secured to the belt and configured and dimensioned to support an arm of the person thereon. In another aspect, the disclosure provides methods for immobilizing an arm of a person that include providing an arm immobilization device and supporting the arm of the person with the bolster.
