An arm support for transferring and supporting a force corresponding to at least a portion of the weight of a supported arm. The arm support including a force distribution portion and a support portion. The force distribution portion adapted to conform to the shoulder of the unsupported arm and to distribute the force to the shoulder girdle, while the support portion supports the affected arm. The force distribution portion extends from a first end portion to a second end portion. The support portion extends from a first end portion to a second end portion. The support portion first end portion is located adjacent the force distribution portion second end portion and the support portion second end portion is configured to be adjustably couplable to the force distribution portion first end portion.