What Are Second Plank Exercises?
Source: bing.com Second plank exercises are a type of strength training exercise that involve holding your body in a plank position for a period of time. This exercise can be done with either your hands or your feet, depending on what variation you’re doing. It is a great way to work the core muscles, as well as the upper and lower body. It is also a great way to build up your endurance and stability....