Plank jacks are a dynamic exercise that combines the core-strengthening benefits of planks with the cardiovascular boost of ...
The term "dynamic" is often used to describe people with a penchant for action, or progress. It's rarely used in everyday vernacular, but a word that is powerful when applied at the right time and in ...
Adding leg lifts to the reverse plank makes it more dynamic by engaging more muscle groups at once. While holding a standard ...