We're going to hold your hand when we say this: your core is not just your abs. In this 15-minute workout, M/Body founder Marnie Alton leads you through a sweat session designed to strengthen the ...

U.S. Air Force Maj. Meredith Studer, 36th Operational Medical Readiness Squadron physical therapist, competes in a plank competition with a student during the Tiyan High School Health Fair in ...

A U.S. Marine and sailor on Marine Corps Air Station Iwakuni, Japan, conduct pullups during a physical training event, July 8, 2026. (Cpl. Colin Thibault/Marine Corps) Lots of ways exist to get a full ...

The cardio craze has ebbed and flowed for decades. At various points in time, it’s felt like everyone is obsessed with cardio-based workouts—and doing a lot of them—from step aerobics in the ’80s to ...