Hollow Body – The Most IMPORTANT Ab Exercise You’re Not Doing! (Feat. Grant Stevens)
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February 18, 2026
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Start building your ideal daily routine! The first 100 people who click on the link will get 25% OFF on Fabulous Premium: https://thefab.co/thebioneer4
Grant's explosiveness looks scarily lethal. 😬😬😬
Could you elaborate more on scrunching up the lower muscles part, im a little confused
Thought it was going to feature your grannie
nothing's made my abs pop like this!
Excellent
also do star plank on 4 chairs. hold. get up. repeat.
LOVE this video, thanks
do you guys think ab exercises like the ones shown here are "safe" to perform?
I'm asking 'cause I've noticed some fear mongering for abs/core exercises that require flexion at the lower back (and can put stress on it), like sit-ups etc
I don't know if I'm just being paranoid about it 😕
Thank you !!
This maniac narrated the demonstration in real time.
Epic .
Bro My Lower back is not touching the ground what can I do ?
6:12 youre welcome
I am actually doing this already.
But the more complete I feel I am when youre doing a video about it!
Look at this guy the speed and he is doing those exercises on concrete without a mat! Those boots he is wearing look amazing what are they?
Gracias from Texas!
Great video, gonna add it to my routine.
Splendid
Do you eat from the same bowl you get your hair cut in?
and its probably because you are very young. the younger someone is the less pain is often felt. Not to say that exercising correctly doesn't help with staying healthy.
But age is a factor
How long should a really strong person be able to hold the hollow body hold?
dear Bioneer….I love calistenics…but due to my 6,4F and 180pounds – calistenics doesn´t love me back 🙁 …I´ve always been an athlet – so I can do handstand routines, rope jumping n such….but physics is a merciless bitch LOL…could you do a video explaining how body size & height plays into all this? If I do a pull up or squad (fuuuull range of motion) it´s actually double the effort as those shorter guys (who mostly do half reps due to no full motion)….keep up the good work – greets
Shave your head pls
Grant was born with Anime looking eyebrows.
Great video
Grant has good movement skill but severely lacks in his understanding of the human body.
Your ‘core’ isn’t supposed to lengthen & extend repeatedly. Your actual core are your hands, jaw & feet. What you call core is primarily for isometric tension or quick concentric movement
Working out really keeps you young Mr. Bioneer.
How often should a beginner do these exercises? Daily, every other day? How long should the resting period be?
Your buddy Grant is fast and moves powerfully!
It great to have some buddies like this to hangout and train with sometimes.
Or I should ask do you guys live close enough to hang out?
A timestamp link to the technique if you're learning. https://youtu.be/UFhVnhL-1aY?list=PLB4p7oXivf_qEaBXfacJ1jHSu7qEp9Kzr&t=325
9:24
Those push-ups 💀
"anterior pelvic tilt,while sitting…..posterior tilt,with prolonged standinag…" ?!
Wouldn't it be the other way around ore correct way?
Great stuff!
No quema cuzzzzzz.
Anyone know how tall Sinicki is, I heard he was 165lbs at heaviest? Is this right?
Could you please make a Brain-training programm?
These are great movements !
I recently started doing this. I noticed if I did traditional ab exercises my lower belly would pouch out. I came across this technique and it seems to be getting flatter. It’s a really good technique for sure. Never tried the workouts though.
Amazing
do captain america
crazy how you make this video right after i discover Lee Weiland and his work out system
Can i do hallow body training daily basis
Awesome work!
Thanks Grant and Adam!
1:12 and that's why you don't train obliques too much if you want a v taper
This was fantastic!
6:46 i always do that one in the end of abs workout.
I have a bloated turtle shell belly.