Upper Arms Exercise · Dumbbell

Expand

Dumbbell Forward Lunge Triceps Extension

Also known as: Dumbbell Forward Lunge Tricep Extension, Db Forward Lunge Triceps Extension, Dumbell Forward Lunge Triceps Extension

Category

Upper Arms

Equipment

Dumbbell

Target

Triceps

Share Embed & Cite

Biomechanical cues verified by the PlanWorkouts Science Review Board under CSCS editorial oversight; see our editorial standards.

Combining a forward lunge with an overhead triceps extension turns this into a coordination and stability drill as much as an arm exercise, since the legs and core work just to keep the torso upright while the arms extend overhead. It's a good addition to a circuit or functional-training block, but not the exercise to reach for when the goal is loading the triceps heavy. Keep the weight light until the lunge-and-press timing feels natural.

How to Do the Dumbbell Forward Lunge Triceps Extension

1. Stand with feet shoulder-width apart, holding a dumbbell in each hand.
2. Step forward with your right foot and lower into a lunge position.
3. Keep your back straight and chest lifted throughout.
4. Raise your arms straight overhead, keeping your elbows close to your ears.
5. Bend your elbows to lower the dumbbells behind your head.
6. Pause briefly, then straighten your arms to return to the starting position.
7. Continue for the desired number of repetitions, then switch legs and repeat.

Biomechanical & Joint Load Cues

Operates primarily in the sagittal plane involving knee flexion/extension and hip extension. Peak mechanical tension occurs in the deep lengthened position at the bottom transition. Maintain midfoot balance and an upright torso angle.

Common Mechanical Mistakes & Form Errors to Avoid

• Knee Valgus (Inward Collapse): Allowing knees to cave inward during the ascent places excessive tensile stress on the MCL and lateral meniscus. Drive knees out in line with second toes.
• Excessive Forward Pitch: Allowing the chest to drop and hips to shoot up turns the squat into a good-morning, transferring load off the quadriceps onto the lumbar erectors.
• Heel Lift & Weight Shift: Shifting balance forward onto the balls of the feet compromises stability and increases patellar tendon strain. Keep weight distributed over midfoot.

Proper Breathing Patterns & Core Engagement

Perform a deep abdominal brace (Valsalva maneuver) into the diaphragm before initiating descent. Hold intra-abdominal pressure through the bottom transition, exhaling past the sticking point on ascent.

Injury Modification & Joint Safety

Lifters experiencing acute patellofemoral knee discomfort should moderate depth to parallel or utilize box squats to reduce peak anterior patellar shear. If joint irritation persists, immediately stop and substitute this movement with another exercise from the Upper Arms exercises category.

Muscles Worked

The Dumbbell Forward Lunge Triceps Extension primarily targets the Triceps, with Shoulders as the primary synergist muscle group, along with the Core.

More Upper Arms Exercises

Assisted Standing Triceps Extension (with Towel) Assisted · Triceps Assisted Triceps Dip (kneeling) Leverage Machine · Triceps Band Alternating Biceps Curl Band · Biceps Band Close-Grip Push-Up Band · Triceps Band Concentration Curl Band · Biceps Band One Arm Overhead Biceps Curl Band · Biceps

More Triceps Exercises

Band Side Triceps Extension Band · Triceps Barbell Close-Grip Bench Press Barbell · Triceps Barbell Decline Close Grip To Skull Press Barbell · Triceps Barbell Incline Close Grip Bench Press Barbell · Triceps Barbell Incline Reverse-Grip Press Barbell · Triceps Barbell Jm Bench Press Barbell · Triceps

Equipment Alternatives

Don't have dumbbell? These target the same triceps with different equipment.

Bench Dip (knees Bent) Body Weight · Triceps Band Side Triceps Extension Band · Triceps Barbell Close-Grip Bench Press Barbell · Triceps Cable Alternate Triceps Extension Cable · Triceps

FAQ

What muscles does the Dumbbell Forward Lunge Triceps Extension work?

The Dumbbell Forward Lunge Triceps Extension primarily targets the triceps as the primary agonist. Synergist assistance is provided by the shoulders along with the core. Maintaining strict biomechanical alignment ensures maximal tension remains focused on the intended muscle fibers rather than shifting to surrounding stabilizer joints.

What equipment do I need for the Dumbbell Forward Lunge Triceps Extension?

The Dumbbell Forward Lunge Triceps Extension is performed using a dumbbell. Ensure all equipment is securely positioned with collars or safety pins locked before loading working sets. If you train in a home gym or minimal setup, explore our equipment-free and resistance band alternatives below.

What is the most common form mistake on the Dumbbell Forward Lunge Triceps Extension?

The most frequent error is knee valgus (inward collapse): Allowing knees to cave inward during the ascent places excessive tensile stress on the MCL and lateral meniscus. Drive knees out in line with second toes.. Controlling the 2 to 3-second eccentric lowering phase ensures maximal hypertrophic stimulus while shielding connective tissue.

How many sets and reps should I perform on the Dumbbell Forward Lunge Triceps Extension?

For muscle hypertrophy and size, aim for 3 to 4 working sets of 8 to 12 repetitions at 70% to 80% of your 1RM with 90 to 120 seconds rest. For absolute strength development, prioritize 4 to 5 sets of 3 to 6 heavier reps with 2 to 3 minutes rest.

What's a good alternative to the Dumbbell Forward Lunge Triceps Extension?

If you don't have access to a dumbbell, the Bench Dip (knees Bent) targets the same triceps using body weight instead. This alternative replicates the same joint angle and movement plane while allowing you to train effectively with different available gear. You can also substitute it seamlessly in our free Workout Plan Builder.