Form cues
- Keep arms locked out
- Do not swing weight
- Engage abs fully
- Maintain slow control
Exercise
Waist, weighted

A sit-up variation holding a weight at arm’s length overhead to increase abdominal engagement.
Target: rectus abdominis. Also works: obliques, hip flexors, shoulders.
Form cues
Common mistakes
Exhale as you sit up, inhale as you lower down.
In the app, search for Otis-Up and add it to a workout.