Lunge Sprint — start position
Start
Lunge Sprint — end position
End

Legs / Intermediate / Compound (multi-joint)

Lunge Sprint

A machine explosive exercise for the quads, with the calves, glutes and hamstrings assisting.

At a glance

Primary
Quads
Secondary
Calves, Glutes, Hamstrings
Equipment
Machines
Movement pattern
Single-leg / lunge, Ankle push-off (plantar flexion)
Level
Intermediate
Type
Legs, Compound (multi-joint), One side at a time, Explosive

Loads the knee. Use a load you can control and skip it if it causes pain.

How to do it

  1. Adjust a bar in a Smith machine to an appropriate height. Position yourself under the bar, racking it across the back of your shoulders. Unrack the bar, and then split your feet, moving one foot forward and one foot back. This will be your starting position.
  2. Lower your back knee nearly to the ground, flexing the knees and lowering your hips as you do so.
  3. At the bottom of the descent, immediately reverse direction. Explosively drive through the heel of your front foot with light pressure from your back foot. Jump up and reverse the position of your legs.
  4. Repeat for the recommended amount of repetitions.

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Muscles worked

Neck (Front)Upper traps (Front)Front delts (Front)Side delts (Front)Chest (Front)Serratus anterior (Front)Biceps (Front)Forearms & grip (Front)Abs (Front)Obliques (Front)Hip flexors (Front)Quads — primary (Front)Adductors (Front)Shins (tibialis) (Front)Calves — secondary (Front)Outer shins (peroneals) (Front)Feet (arch & toes) (Front)Neck (Back)Upper traps (Back)Upper back (rhomboids, mid/lower traps) (Back)Rear delts (Back)Side delts (Back)Rotator cuff (Back)Lats (Back)Lower back (erectors) (Back)Triceps (Back)Forearms & grip (Back)Hip abductors (glute med) (Back)Glutes — secondary (Back)Hamstrings — secondary (Back)Adductors (Back)Calves — secondary (Back)
FrontBack
  • Primary: Quads
  • Secondary: Calves, Glutes, Hamstrings

Best for

How specific this exercise is to each movement.

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Photos and instructions: free-exercise-db (github.com/yuhonas/free-exercise-db), public domain.