Naturally, your go-to core workout might include a variation of sit-ups, crunches, and planks. Because as a runner, you know ...

Want to strengthen your core without lying or sitting down? You’ve come to the right place. Stop with the sit-ups already and try building your deeper core muscles with these standing exercises.

Editor’s note: Dana Santas, known as the “Mobility Maker,” is a certified strength and conditioning specialist and mind-body coach in professional sports, and is the author of the book “Practical ...