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Reviewed March 2026

L-Sit

CoreParallettesAdvancedIsolation

Primary

Core

Secondary

Hip flexors, Triceps, Shoulders

Equipment

Parallettes

Difficulty

Advanced

Type

Isometric

Written byMySetPlan Training Team

NASM-CPT, CSCS certified trainers. Every guide is built from peer-reviewed research and real coaching experience.

Use for gymnastics and calisthenics. The L-Sit — a isolation isometric hold — is one of the most effective ways to train your core, with secondary work on your Triceps and Shoulders.

Everything You Need to Know About the L-Sit

The L-Sit is a advanced exercise exercise that targets your Core and Hip flexors. It's a popular choice for building strength and muscle in these areas. When should you use it? Use for gymnastics and calisthenics. This timing makes the most of your workout and helps you get better results. Who is this for? Advanced lifters seeking to maximize strength gains. Whether you're just starting out or working toward a specific goal, this exercise fits into your routine.

What muscles does the L-Sit work?

Primary

CoreHip flexors

Secondary

TricepsShoulders

Stabilizers

Lats

Step-by-step: L-Sit

  1. 1

    Support yourself on parallettes or dip bars.

  2. 2

    Lift your legs until parallel to floor.

  3. 3

    Create an L shape with your body.

  4. 4

    Keep your legs straight.

  5. 5

    Hold the position for optimal results.

  6. 6

    Keep shoulders down.

What are the best tips for the L-Sit?

Gymnastics staple for optimal results.

Requires hip flexor strength.

Start with tuck L-sit.

Push through shoulders.

Mistakes to watch for on the L-Sit

Not pressing shoulders down.

Without proper shoulder positioning during the L-Sit, your Core can't fully engage. Set your shoulder blades down and back before you start, and maintain that position throughout each rep.

Bent legs - this is a common issue that reduces exercise effectiveness.

Isometric holds like the L-Sit build strength at specific joint angles. This mistake changes the angle and reduces how hard your Core has to work. Lock into position and hold it.

Holding breath, which reduces blood flow and can cause dizziness.

Holding your breath incorrectly during the L-Sit spikes your blood pressure and reduces core stability. Inhale during the eccentric (lowering) phase and exhale during the concentric (lifting) phase.

Who should do the L-Sit?

Advanced lifters seeking to maximize strength gains.

How to Program the L-Sit

Strength10-15 seconds

Lower reps with heavier weight builds raw strength. Your muscles and nervous system adapt to handle more load over time. This range is best for strength-focused goals.

Muscle Growth15-20 seconds

This rep range keeps your muscles under tension long enough to trigger growth. Most people see the best muscle-building results in this zone. It balances strength and muscle size.

Endurance20-30 seconds

Higher reps with lighter weight builds muscular endurance and improves conditioning. This range is good for joint health and building work capacity.

General guideline: 4-5 sets of 10-20 seconds. Rest 90s.

What are good alternatives to the L-Sit?

Other Variations

  • Tuck L-Sit
  • Floor L-Sit
  • L-Sit to V-Sit

This Exercise Is in Your Plan

MySetPlan picks the right exercises for your goals — like the L-Sit — and builds them into a monthly program. Every set, every rep, planned out.

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Safety Notes

  • Progress through easier variations.
  • Build hip flexor strength.