Dumbbell Lunge

Stand with feet together, holding a dumbbell in each hand at your sides. Step forward with one foot and lower your body until both knees form roughly 90-degree angles — front shin vertical, rear knee just above the floor. Drive through your front heel to push back to the starting position, then repeat on the other side.

Pro Tips

• This is a stationary lunge — you return to the starting position each rep, unlike walking lunges
• Keep your front shin as vertical as possible; the knee should not cave inward
• Torso stays upright throughout — resist the urge to lean forward

Muscles worked

Primary: Quadriceps of the front leg (knee extension on the ascent) and gluteus maximus of the front leg (hip extension). The relative emphasis between the two depends primarily on torso angle — upright torso = more quad; forward lean = more glute.

Supporting: Hamstrings (stabilise the front knee throughout), hip flexors of the rear leg (lengthened and stretched under load), adductors (inner thigh stabilisation), core (balance and torso stability under the bilateral load).

Common mistakes

Front knee collapsing inward: Valgus collapse at the front knee indicates hip abductor weakness or excessive inward foot tracking. The front knee should track in line with the toes throughout the movement.

Rear knee slamming the floor: Dropping the rear knee to the floor with impact rather than lowering it with control is both inefficient and potentially harmful to the kneecap. The rear knee should lower to a controlled position just above the floor, maintaining tension throughout.

Short front step: A stride length that is too short forces the front knee to drive far past the toes and loads the knee joint unevenly. The front foot should be placed far enough forward that the front shin stays approximately vertical at the bottom.

Pushing off the rear foot: Driving off the rear foot to return to standing reduces the work done by the front leg. The front foot should do all the driving — rear leg is a balance point, not a contributor to the press.

Programming notes

The dumbbell lunge is a beginner-accessible unilateral lower body exercise that develops leg strength, hip stability, and balance simultaneously. It appears commonly in general fitness programmes, hypertrophy programmes with a leg emphasis, and as an accessory in strength programmes that prioritise unilateral development alongside bilateral squatting.

Typical programming: 3–4 sets of 10–15 repetitions per leg. As a stepping stone, lunges progress naturally to Bulgarian split squats (more challenging due to the rear-foot elevation), walking lunges (adds a cardio component through continuous movement), or step-ups (for hip-hinge integration).

Frequently asked questions

Should the dumbbell lunge replace squats in my programme?

No — the lunge complements squats rather than replacing them. Squats allow heavier bilateral loading and greater spinal compression, making them the primary driver of lower-body strength. The lunge fills a different role: unilateral stability, addressing side-to-side imbalances, and training hip and quad through a longer range of motion. Most well-structured programmes include both. If you can only choose one, squats carry more load; if you want complete lower-body development, you need both.

How far forward should I step in a dumbbell lunge?

Far enough that your front shin stays close to vertical when your rear knee reaches the bottom. A stride that is too short drives the knee excessively over the toe and stacks load unevenly on the kneecap. A stride that is too long forces you to lean forward to reach depth. Aim for a distance where, at the bottom, your front thigh is roughly parallel to the floor and your shin is perpendicular — you may need to experiment slightly depending on your limb length.

Can I do dumbbell lunges with sore knees?

Knee discomfort during lunges is usually caused by one of three things: a stride that is too short, a collapsing front knee, or loading that is too heavy for your current strength level. Fix your stride length and knee tracking first before reducing weight. If pain persists regardless of technique, reverse lunges — stepping backward rather than forward — put less shear force through the knee and are a useful short-term substitution while you address the underlying issue. Sharp or acute pain warrants a break and assessment before continuing.