Theoretically, a swim spa hot tub can be installed underground, but its feasibility depends on several factors. Underground spaces are characterized by being enclosed, having high humidity, and limited ventilation, which may affect the normal use and safety of the swim spa hot tub.

In a swim spa hot tub, you can do exercises like jumping jacks, knee raises, leg raises, and side steps, all set to music for a relaxing aerobic workout. • Duration: 20–30 minutes per session, moderate intensity. • Benefits: Improves cardiorespiratory endurance, burns calories, and increases metabolic efficiency.