← All exercisescore
Forearm Plank
Isometric core hold — the whole game is a straight, braced body line.
bodyweightbeginnerFilm: side
AI form check · side view
Muscles worked
Abdominals
Obliques
Front deltoids
Glutes
Quadriceps
PrimarySecondaryStabilizer
Recording tips
- Film from the side at a low angle to judge your body line.
- Fit your whole body — shoulders to feet — in frame.
- Even lighting so your hips are clearly visible.
- Keep it under ~30 seconds.
Better lighting and a full body in frame give the AI a more accurate score.
Faults the AI detects
Hips saggingFix
Your hips are sinking — pull your belly in and squeeze your glutes to lift them into line.
Hips too highWatch
You're piking your hips up — drop them so your body is one straight line.