The term "Experimental Autoimmune Myositis" refers to a disorder characterized by inflammation and damage to the skeletal muscles, leading to weakness and difficulty in movement. Antonyms for this term would be words that describe the absence or freedom from such symptoms. These could include terms such as "health," "wellness," "mobility," "strength," and "vitality." Other antonyms might include words like "fitness," "endurance," and "stamina." Ultimately, any term that signifies the opposite of the debilitating effects of Experimental Autoimmune Myositis could be considered an antonym, representing a spectrum of health and wellness.