How to do the Dumbbell Tuck-Up
- Lie flat, legs straight, dumbbell held overhead in both hands.
- Curl up and pull your knees toward your chest together.
- Bring the dumbbell forward until it sits over your knees.
- Lower back down slowly, arms overhead and legs straight.
Full technique — 7 steps
- Lie on your back with legs straight and together, holding one dumbbell by its ends with both hands.
- Reach your arms overhead so the dumbbell is just above the floor behind your head.
- Press your lower back into the floor and tighten your stomach.
- Curl your upper body up while bending your knees and pulling them toward your chest.
- Bring the dumbbell forward with straight arms until it sits over your knees, feet off the floor.
- Pause briefly in the seated position, then lower your torso and straighten your legs under control.
- Return the dumbbell overhead and reset flat before the next rep.
Common mistakes
- Swinging the arms for momentum
- Dropping back onto the floor
- Lower back arching off floor
- Lifting the torso without the knees
- Bending the elbows to shorten range
Form cues
- Curl ribs toward pelvis
- Torso and knees meet
- Arms stay long
- Curl, don't yank up
- Use light load first
Substitutes by equipment
Same muscles, same movement — pick the version you have the gear for.
No equipment
- Box Plank Walk-Up Easier
- Plank Up-Down Easier
Where to start and where to go next
Same muscles, same movement. Too hard for now — step down; once it gets easy — step up.
- Easier Plank to Lunge
- Easier Dumbbell Decline Sit-Up to Press
- This exercise Dumbbell Tuck-Up
Too hard for now? Start with the Dumbbell Decline Sit-Up to Press.
Quick answers
What muscles does the Dumbbell Tuck-Up work?
Primary: Abs 10/10. Also works: Obliques 6/10.
When should I do the Dumbbell Tuck-Up in a workout?
Finisher. Goes last, once the heavy work is done. ≈ 6 min with rest.
How many sets and reps of the Dumbbell Tuck-Up?
Strength: 3 sets of 8–10 reps, rest 1 min 15 s, 2–3 reps in reserve. Muscle growth: 3 sets of 10–15 reps, rest 1 min, 2 reps in reserve. Endurance: 2–3 sets of 15–25 reps, rest 45 s, 3–4 reps in reserve.
What can I do instead of the Dumbbell Tuck-Up?
No equipment: Box Plank Walk-Up, Plank Up-Down.
What is an easier version of the Dumbbell Tuck-Up?
Dumbbell Decline Sit-Up to Press (Intermediate), Plank to Lunge (45% of bodyweight).
