Dumbbell Alternating Forward Lunge

A loaded forward lunge that alternates legs every rep — training the quads, glutes and balance one side at a time.

How to do it

  1. Hold a dumbbell in each hand at your sides with relaxed arms and your shoulders down and back.
  2. Stand tall with your feet hip-width apart and brace your core for a stable starting position.
  3. Step forward with one leg into a long lunge, lowering your back knee toward the floor.
  4. Stop when your back knee is an inch above the floor and your front thigh is parallel to the ground.
  5. Drive through the heel of your front foot to push back up to a tall standing position.
  6. Repeat the lunge with the opposite leg and keep alternating for the prescribed reps.

Key technique cue

Take a long step, keep the torso upright, and stand up through the front heel.

Common mistakes

  • Taking too short a step, so the front knee travels far past the toes and stresses the joint.
  • Letting the front knee cave inward, which strains the inside of the joint and weakens the exercise.
  • Leaning the torso forward over the front leg instead of staying tall and stable through the trunk.
  • Pushing off the back foot to stand up instead of driving through the heel and glute of the front leg.

Benefits

  • Builds single-leg strength in the quads and glutes.
  • Improves balance and coordination under load.
  • Exposes and corrects strength imbalances between the left and right legs.

Progression: from easier to harder

  1. Step 1
  2. Step 2 You are here
  3. Step 3
Full “Lunge” progression

About the exercise

The Dumbbell Alternating Forward Lunge loads each leg in turn through a long step forward. The front leg drives you back to standing through the quads and glutes while the back leg controls the descent. Switching sides every rep keeps a smooth rhythm and builds balance under fatigue. On leg day, it is the workhorse of lunge variations. It carries hypertrophy programs, athletic conditioning and beginner-friendly leg training.

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