Build a stronger, leaner core after 50 with 6 standing workouts that tighten your waist, improve posture, and boost strength.

A trainer and physical therapist breaks down exactly how to get started.

Core strength is more than just achieving sculpted abs—it’s the foundation of movement, balance, and injury prevention. A weak core can lead to poor posture, chronic pain, and decreased athletic ...

Core training has always been part of military PT and fitness testing. From crunches to sit-ups, flutter kicks, leg tucks and plank poses, the U.S. military uses many exercises to test core strength.