Sit-up is a core movement on Fiz. Abdominal crunch from lying position. Primary muscles: core. Scored by reps + weight.
Muscles Worked
Primary
core
Secondary
hip flexors
Scoring
repstracked
weightdefault: kg
Scaling Alternatives
Frequently Asked
What muscles does the Sit-up work?
Sit-up primarily works core, with secondary engagement of hip flexors.
How do you do a Sit-up?
Abdominal crunch from lying position.
How is the Sit-up scored?
On Fiz, Sit-up is tracked by reps + weight. Log your reps, weight, distance, or time and build a movement history that powers leaderboards and PRs.
What's a harder progression from the Sit-up?
Progress to Plank, Leg Raise when Sit-up feels light.