Dumbbell Lunge with Triceps Extension
Combining a forward lunge with an overhead extension turns an arm isolation into a full-body coordination drill: the lunge taxes your legs and balance while your triceps work overhead with elbows pinned by your ears. Keep the dumbbells light; the overhead position, not the load, is the challenge, and it fits circuits better than arm days.
How to do the Dumbbell Lunge with Triceps Extension
- Stand with your feet shoulder-width apart, holding a dumbbell in each hand.
- Take a step forward with your right foot, lowering your body into a lunge position.
- Keep your back straight and your chest up.
- Extend your arms straight overhead, keeping your elbows close to your ears.
- Lower the dumbbells behind your head by bending your elbows.
- Pause for a moment, then straighten your arms to return to the starting position.
- Repeat the movement for the desired number of repetitions, then switch legs and repeat.
Tip: Keep a slight bend at the top on lying extensions to protect the elbow, but lock out fully on cable pushdowns.
Muscles worked
Primary
Triceps · Arms
The triceps straighten the elbow, and overhead variations stretch the long head at the bottom, so you should feel the whole back of the upper arm working with a hard squeeze at lockout.
Common mistakes
- Elbows flaring out — on overhead and lying extensions the elbows should stay pointed forward or up, not out to the sides, since flaring turns it into a press.
- Upper arm moving — the upper arm should be pinned in place and only the forearm should move; if the elbow drifts, drop the weight.
- Not finishing the rep — take every rep to a full triceps squeeze; on pushdowns that means a complete lockout for a count.
- Cutting the stretch — on overhead extensions let the weight travel down behind the head until you feel the long head stretch before pressing up.
Sets, reps and where it fits
| Goal | Sets × reps | Rest |
|---|---|---|
| Muscle growth | 3–4 × 10–15 | 60–90 s |
| Endurance / finisher | 2–3 × 15–20 | 45 s |
| Strength | Not ideal — pick a compound lift for the same muscle | — |
Triceps extensions go after the presses in a push session or at the end of an arm day. Superset them with biceps curls on the same cable stack or with the same dumbbells.
Variations and alternatives
Similar exercises
- Decline Dumbbell Skull CrusherDumbbell
- Incline Dumbbell Skull CrusherDumbbell
- Stability Ball Dumbbell Triceps KickbackDumbbell
- Across Face Dumbbell Lying Triceps ExtensionDumbbell
- Single Arm Pronated Grip Dumbbell Lying Triceps ExtensionDumbbell
- Single Arm Supinated Grip Dumbbell Lying Triceps ExtensionDumbbell
Frequently asked questions
What muscles does the Dumbbell Lunge with Triceps Extension work?
The Dumbbell Lunge with Triceps Extension primarily works the triceps. It also involves the delts and abs, which assist the movement and stabilise the joints.
Is the Dumbbell Lunge with Triceps Extension good for beginners?
It is rated intermediate, so it suits people who already train regularly. Beginners can still do the Dumbbell Lunge with Triceps Extension with light load and a spotter or coach watching the first few sessions; if it feels awkward, pick an easier variation from the alternatives below first.
What can I do instead of the Dumbbell Lunge with Triceps Extension?
If you cannot do the Dumbbell Lunge with Triceps Extension, try the Kneeling Bodyweight Triceps Extension, the Decline Dumbbell Skull Crusher or the Incline Dumbbell Skull Crusher. Each of them trains the triceps 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 Lunge with Triceps Extension, a sensible starting point is muscle growth: 3–4 × 10–15 with 60–90 s rest; endurance / finisher: 2–3 × 15–20 with 45 s rest. Do it after your compound lifts. It is a finishing movement, not the main event.
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