Britt Hertz tried impossible flexibility poses with Anna McNulty.

Britt Hertz competed against Anna McNulty in a fit challenge.

At 51, Geri Horner took to Instagram to share a clip of her boxing with her personal trainer, Paul Carroll, who trained her for two years. ‘Geri is someone who truly embodies how strong, healthy and ...

Lately, my core routine has felt staler than week-old sourdough bread. Sure, classic moves like crunches, Russian twists, and planks are great (and effective!), but in order to reap the gains of ...

View post: At 83, Paul McCartney Swears by Yoga and Cardio to Outlast Performers Half His Age on Stage View post: No, I Don’t Take Cold Showers in the Morning. Here’s What I Do Instead to Stay Sharp, ...

Nick Blackmer is a librarian, fact-checker, and researcher with more than 20 years of experience in consumer-facing health and wellness content. Dead bugs improve core stability and coordination by ...