Postpoliomyelitis muscular atrophy is a medical condition that affects the muscles after a person has previously contracted poliomyelitis. While there are no direct antonyms for this specific phrase, there are some words that represent the opposite of the condition. These words include health, strength, vitality, and wellness. Some other antonyms that contrast with symptoms of Postpoliomyelitis muscular atrophy are energy, robustness, liveliness, vim, and vigor. While there is no cure for this medical condition, people who are diagnosed with Postpoliomyelitis muscular atrophy can try to maintain their overall health and well-being through various measures, such as physical therapy, regular exercise, and a healthy diet.