Abdominals · No equipment
Hollow Rock
Abs exercise with no equipment. Works the abs.
The same demo you get in the app. Tap any exercise there for its stats and history.
How to do it
Hollow Rock, step by step
- 01
Lie on your back and press your lower back into the floor.
- 02
Raise your shoulders, arms, and legs to form a shallow dish shape.
- 03
Rock gently from shoulders to hips without breaking the shape.
- 04
Keep your lower back glued down throughout.
- 05
Rest when the shape breaks, quality beats quantity here.
Hollow Rock in Trainlike
Progress in reps, not guesses.
With nothing on the bar, reps are the target. Match your best and the next workout asks for one more.
Fall short and Trainlike eases the reps back instead of the weight, then rebuilds from there. Every verdict opens the receipt behind it.
How verdicts work in the user guide.
Train it, get it graded.
Log the Hollow Rock in Trainlike and every workout comes back with a grade, the evidence, and your next target.
First three workouts free, insights included.
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