A personal trainer was recording the last seconds of her workout on the treadmill when a woman called her out on the amount of noise she was making while sprinting. Zahra, who goes by the username @zahrafit.cpt, posted the now-viral video on TikTok with the overlay text reading, “How would you have reacted?”

Core strength is important for everything we do—but you don't have to do crunches. Here is a simple standing exercise routine to target your abs.

Standing ab exercises workout

Sculpt and define your midsection with this guided home workout video: STANDING ABS! NO CRUNCHES and NO PLANKS! These functional core exercises build strength and muscle definition in every muscle between your hips and shoulders. From upper abs to the obliques to tough-to-target lower abs, this workout hits them all. Pregnancy modifications are offered in the video! 5 standing ab exercises are scalable from beginner to advanced (intensify this standing ab workout by adding weights).

5 of the best standing exercises to tone and strengthen your core! 20-minute AMRAP workout you can do at home with just a dumbbell.

Strengthen and define the core with this fast Ab Circuit Workout: Standing Abs! 8 of the most effective ab exercises targeting the lower abs, upper abs and obliques - all from a standing position. No equipment needed for this bodyweight core burner.

Standing Core is a Darebee home-fitness workout that targets the core abdominal muscles for increased power and strength and better posture.

Want flatter abs but you can't get on the floor? Try this fat burning standing abs workout and get flatter abs in no time. #abexercises, #standingabs #bellyexercises #abworkout #standingabworkoutforwomen

Strength train your abs with this quick and effective workout: Standing Core Workout with Weights! Build core stability by training in multiple planes of motion, targeting your abs from all angles. No boring crunches here!