Plank is a core movement on Fiz. Hold static position on forearms. Primary muscles: core. Scored by weight.
Muscles Worked
Primary
core
Secondary
shouldersglutes
Scoring
weightdefault: kg
Scaling Alternatives
Frequently Asked
What muscles does the Plank work?
Plank primarily works core, with secondary engagement of shoulders, glutes.
How do you do a Plank?
Hold static position on forearms.
How is the Plank scored?
On Fiz, Plank is tracked by weight. Log your reps, weight, distance, or time and build a movement history that powers leaderboards and PRs.
What's an easier alternative to the Plank?
Easier scaling options include Sit-up. Each is a standalone movement in the Fiz glossary you can swap into any workout.
What's a harder progression from the Plank?
Progress to Ab Wheel when Plank feels light.