Now that summer is in full swing — and The Little Mermaid has everyone craving a dip in the sea — it feels like an ideal time to move your weekly jog into the water for a refreshing pool run. Not only ...

This 20-minute aquatic exercise routine is easy on the joints and provides a fun alternative to the gym, especially in summer. Credit... Supported by By Hilary Achauer Photographs and Video by Zack ...