Dumbbell Side Bend
Also known as: standing dumbbell side bend, dumbbell oblique side bend, dumbbell side bends
- Secondary muscles
- Obliques
- Body part
- Core
- Laterality
- Bilateral (both sides together)
- Category
- Strength
Track this exercise in SetGrip — no account needed
One dumbbell, one side at a time: the empty hand does nothing while the loaded side lowers you and then pulls you back upright, so the obliques opposite the weight run the show. Holding a dumbbell in each hand is the classic mistake, since the two loads cancel each other and leave little to resist.
How to do the Dumbbell Side Bend
- Stand up straight with your feet shoulder-width apart and hold a dumbbell in one hand, letting it hang down by your side.
- Keeping your back straight and your core engaged, slowly bend sideways at the waist towards the opposite side of the dumbbell, lowering the weight as far as you comfortably can.
- Pause for a moment, then slowly return to the starting position.
- Repeat for the desired number of repetitions, then switch sides and repeat.
Tip: Slide your hand down the outside of your thigh as a guide and stop when it reaches the knee, not further.
Muscles worked
Primary
Abs · Core
The obliques on the side opposite the weight do the work, contracting to pull the torso back upright; you should feel a tight band running from the ribs to the hip on that side.
Secondary
- Obliques — The obliques are the prime movers here, both bending the trunk sideways and resisting the pull of the load as you lower.
Common mistakes
- Leaning forward instead of sideways — keep your hips and shoulders square to the front so the bend happens purely in the frontal plane, otherwise the hip flexors take over.
- Loading both hands on dumbbell side bends — a weight in each hand counterbalances and leaves the obliques little to do; hold one side only and let the free arm hang.
- Rushing the stretch — the loaded side has to lengthen under control, so pause for a count at the bottom before pulling back up with the obliques.
- Going too heavy — this is a small range of motion and the spine is loaded laterally, so pick a weight you can move for 12 to 20 clean reps.
Sets, reps and where it fits
| Goal | Sets × reps | Rest |
|---|---|---|
| Strength | 3 × 8–12 | 60 s |
| Endurance | 2–3 × 15–25 | 45 s |
Put side bends at the end of a session with the rest of your core work, once heavy squats or deadlifts are done. They pair naturally with cable or dumbbell crunches using the same station.
Variations and alternatives
Similar exercises
Without dumbbell
Frequently asked questions
What muscles does the Dumbbell Side Bend work?
The Dumbbell Side Bend primarily works the abs. It also involves the obliques, which assist the movement and stabilise the joints.
Is the Dumbbell Side Bend good for beginners?
Yes. The Dumbbell Side Bend is rated beginner: it uses a dumbbell and the movement is simple to learn. Start light, focus on the full range of motion and add load once every rep looks the same.
What can I do instead of the Dumbbell Side Bend?
If you cannot do the Dumbbell Side Bend, try the 45-Degree Bench Side Bend, the Cable Side Bend or the Weighted Stability Ball Side Bend. Each of them trains the abs through a similar movement, so you can swap them in without changing the rest of the workout.
How many sets and reps should I do?
It depends on your goal. For the Dumbbell Side Bend, a sensible starting point is strength: 3 × 8–12 with 60 s rest; endurance: 2–3 × 15–25 with 45 s rest. Train it at the end of a session or pair it with a lower-body lift as active rest.
Track the Dumbbell Side Bend in SetGrip
All 1,100+ exercises with animations are in the app. No account, no sign-up — your data stays on your iPhone. Works with Apple Watch.
More exercises
Exercise data and animations are licensed ExerciseDB content used in SetGrip. This page is for general information and is not medical or coaching advice.