How to Do Seated Flat Bench Leg Pull-In

Seated Flat Bench Leg Pull-In — start position demonstration photo
Start
Seated Flat Bench Leg Pull-In — end position demonstration photo
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Start and end of one clean rep of Seated Flat Bench Leg Pull-In.

Quick facts

Primary muscleCore
Secondary muscles—
EquipmentBodyweight
CategoryStrength

How to perform Seated Flat Bench Leg Pull-In

  1. Sit on a bench with the legs stretched out in front of you slightly below parallel and your arms holding on to the sides of the bench. Your torso should be leaning backwards around a 45-degree angle from the bench. This will be your starting position.
  2. Bring the knees in toward you as you move your torso closer to them at the same time. Breathe out as you perform this movement.
  3. After a second pause, go back to the starting position as you inhale.
  4. Repeat for the recommended amount of repetitions.

Muscles worked

  • Core (primary): braces the trunk and resists twisting to protect the spine.

Sets & reps by goal

GoalSets × repsLoadRest
Strength3–5 × 3–5Heavy (~85%+)2–3 min
Hypertrophy3–4 × 8–12Moderate (~65–75%)60–90 s
Endurance2–3 × 15–20Lighter (~50–60%)30–45 s

Bodyweight movement: once you own the top of a rep range, progress by slowing the tempo, pausing at the hardest point, or moving to a harder variation instead of adding load.

Form tips

  • Brace as if about to take a light punch and breathe shallowly — don't hold your breath for the whole set.
  • Own the largest range you can control with clean form before you chase extra reps.
  • Treat every rep the same — a repeatable setup and bar path is what lets you add weight safely over time.
  • Warm up the pattern with a couple of lighter, submaximal sets before your working sets.

Common mistakes

  • Cranking with the hip flexors or neck instead of moving from the trunk.
  • Cutting the range short to squeeze out extra reps instead of owning each full one.
  • Chasing weight jumps before the current load feels solid on every rep.

Frequently asked questions

What muscles does Seated Flat Bench Leg Pull-In work?

Seated Flat Bench Leg Pull-In is a focused movement that primarily works the core.

What equipment do I need for Seated Flat Bench Leg Pull-In?

None — Seated Flat Bench Leg Pull-In is a bodyweight movement, so you only need your bodyweight and a little space.

How many sets and reps should I do for Seated Flat Bench Leg Pull-In?

It depends on your goal: about 3–5 sets of 3–5 heavy reps for strength, 3–4 sets of 8–12 for muscle growth, or 2–3 sets of 15–20 for endurance. Bodyweight movement: once you own the top of a rep range, progress by slowing the tempo, pausing at the hardest point, or moving to a harder variation instead of adding load.

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