Leg Pull-In — start position
Start
Leg Pull-In — end position
End

Core / Beginner / Compound (multi-joint)

Leg Pull-In

A bodyweight exercise for the abs.

At a glance

Primary
Abs
Equipment
Bodyweight
Movement pattern
Trunk flexion
Level
Beginner
Type
Core, Compound (multi-joint)

How to do it

  1. Lie on an exercise mat with your legs extended and your hands either palms facing down next to you or under your glutes. Tip: My preference is with the hands next to me. This will be your starting position.
  2. Bend your knees and pull your upper thighs into your midsection as you breathe out. Continue the motion until your knees are around chest level. Contract your abs as you execute this movement and hold for a second at the top. Tip: As you perform the motion, the lower legs (calves) should always remain parallel to the floor.
  3. Return to the starting position as you inhale.
  4. Repeat for the recommended amount of repetitions.

Common mistakes

  • ✗ Hips sagging in the plank position (ball version).

    Why it hurts: The lower back hangs into extension.

    ✓ Instead: Hold a solid plank before and after each pull-in.

  • ✗ Leaning far back on the bench version.

    Why it hurts: The lower back and hip flexors take the load.

    ✓ Instead: Lean back slightly and curl the knees to the chest.

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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 — primary (Front)Obliques (Front)Hip flexors (Front)Quads (Front)Adductors (Front)Shins (tibialis) (Front)Calves (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 (Back)Hamstrings (Back)Adductors (Back)Calves (Back)
FrontBack
  • Primary: Abs

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.