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§ L · Exercises · AbsUpdated 6/2026

Plank

The plank builds your abs and core stability. A strong core supports posture, lifting, and everyday movement.

Muscle group
Abs
Equipment
Bodyweight
Exercise type
Isolation
Technique
Basic technique
Time-based

Muscles worked

§ 01 · Muscles
Primary muscle
Abs
Supporting muscles
Lower Back

How to perform

§ 02 · Steps
  1. 01

    Get into position on your forearms and toes.

  2. 02

    Keep your body in a straight line from your head to your heels.

  3. 03

    Brace your core and squeeze your glutes.

  4. 04

    Hold the position for the prescribed time.

Beginner's guide

§ 03 · Guide
What it works

The plank builds your abs and core stability. A strong core supports posture, lifting, and everyday movement.

What it should feel like

You should feel it in your abs and core, with some tension in your glutes. It should not be felt mainly in your lower back or shoulders.

Most common mistake

A common mistake is letting your hips sag or lift too high. Brace your abs and glutes, keep your body in a straight line.

How to get started at the gym

§ 04 · SisuLift

Plank is ready to go in the SisuLift exercise library. The app builds you a program, suggests starting weights and shows this same animation during your workout at the gym.

  • ·A ready training program based on your goal
  • ·Starting weight suggestions and automatic progression
  • ·Set logging and rest timer at the gym
Download on the App StoreGet it on Google Play
SisuLift app workout view

Tips

§ 05 · Tips

Don't let your hips sag or rise.

A basic core stability exercise.

More exercises: Abs

§ 06 · Same muscles

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