Final answer:
Swimming appears to blunt asthmatic symptoms as compared to other exercise modalities.
Step-by-step explanation:
The exercise modality that appears to blunt asthmatic symptoms as compared to the others is swimming. Swimming is a highly recommended exercise for individuals with asthma because it helps improve cardiovascular fitness without triggering asthma symptoms. The warm and humid environment of an indoor pool can also help relax the airways and decrease the risk of an asthma attack.