Roughly 35 of the 639 skeletal muscle groups that make up the human body are responsible for flexing, extending and stabilizing your core. Typically gym-goers remember to strengthen the area with ...

Get the most out of your rotational core exercises with these small tweaks that will help strengthen your abs, especially your obliques. Twisting, or rotational core exercises, are great for ...

A few weeks ago I found myself in a bit of a huff and ranting to a colleague, as my deadlift progress had come to a sudden halt and my lower back was in pain. His blunt response: “Your core clearly ...

Alpine skier Lindsey Vonn is one tremendously tough athlete. The Olympic gold medalist and World Cup champion has overcome an array of brutal setbacks—including a concussion, a fractured arm, and an ...

Earth’s solid metal core may no longer be spinning relative to the vast mass of the surrounding planet thanks to what appears to be a recent slowdown, according to the results of a new study. Nestled ...

In the fifth installment of our six-part core challenge, Tonal Instructors Dr. Liz Letchford & Coach Paul Wright take you through movements to ramp up rotation in your center. This workout consists of ...

Can a movement many feet below our feet quietly change the Earth’s rotation? Over 3,000 miles below the ground, the Earth’s inner solid core a ball of iron and nickel whose temperature is as hot as ...

Earth’s rotation dynamics are influenced by a range of internal and external factors, with Free Core Nutation (FCN) standing out as a key phenomenon. FCN arises from the slight misalignment between ...

NPR's Ayesha Rascoe talks to John Vidale, professor of earth sciences at the University of Southern California, about new research suggesting the rotation of Earth's inner core may be slowing down.