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Exercise · Core

Side Plank guide

The Side Plank is a beginner-level isolation bodyweight exercise that primarily targets the Obliques. Set up with a braced, stable base, move through a full range of motion under control, and progressively add weight or reps over time to keep getting stronger.

TargetObliques
SecondaryCore
EquipmentBodyweight
MechanicsIsolation
LevelBeginner

What muscles does the side plank work?

The Side Plank primarily trains the Obliques, with the core as the target group. Train it as part of a balanced core routine.

How do you do the side plank?

To do the Side Plank: set up at the bodyweight with a stable, braced position — feet planted and core tight; take a grip or stance that lets your core drive the movement through its full range of motion; lower under control, then drive back to the start, keeping tension on the obliques; avoid momentum, breathe through each rep, and stop 1–2 reps short of failure on most working sets.

  1. Set up at the bodyweight with a stable, braced position — feet planted and core tight.
  2. Take a grip or stance that lets your core drive the movement through its full range of motion.
  3. Lower under control, then drive back to the start, keeping tension on the obliques.
  4. Avoid momentum, breathe through each rep, and stop 1–2 reps short of failure on most working sets.

What are the most common side plank mistakes?

  • Using momentum or bouncing instead of controlled tension.
  • Cutting the range of motion short to move more weight.
  • Adding load before the current weight is clean for every rep.

Side Plank alternatives

Side Plank FAQ.

What muscles does the Side Plank work?

The Side Plank primarily targets the Obliques, training the Core as the main muscle group.

Is the Side Plank a compound or isolation exercise?

The Side Plank is an isolation exercise — it focuses on one muscle, which is useful for targeting and bringing up weak points.

What equipment do I need for the Side Plank?

You need no equipment — just your bodyweight. Difficulty is rated beginner.

What are good alternatives to the Side Plank?

Good core alternatives include Plank, Crunch, Bicycle Crunch.

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