I’ve never enjoyed doing sit-ups. From doing them on the cold, hard gym floor at school to tediously tagging them onto the ...

Does your period make you unmotivated to work out? Sometimes, when you’re bleeding or have cramps, the last thing you want to do is exercise. However, have you ever heard of cycle-syncing workouts?

This is probably the most overlooked but critical mistake. If you don’t know why you’re walking into the gym, your workouts ...

Love handles may sound like something you’d want to keep around. But if you’ve ever struggled with those stubborn fat ...

Other A-list celebs who train with Kirsty include Maddie Ziegler and Olivia Rodrigo. Kirsty posts many inspiring videos on Instagram of her lower-body workouts, including her go-to glute workout. It's ...

To help her clients build muscle, strengthen their core and burn fat (she has also trained Halle Berry, Scarlett Johansson, ...

You can do these moves “anywhere” and “at any time,” Austin explained.

The Bottom Line: Ditch the sit-ups. These bodyweight exercises are smarter, tougher, and deliver more bang for your buck.