No, not sit-ups — personal trainer says this is the best bodyweight abs exercise to strengthen your core
The hollow-body hold is an effective bodyweight abs exercise that works muscles throughout the core, and you can easily ...
I’m a trainer—crunches won’t build a strong core, do these 3 exercises instead
Sit up and take note, folks. A UK-based personal trainer is debunking some popular myths about ab muscles and sharing his ...