Core Intermediate

Side Plank

A lateral plank to strengthen the obliques and lateral trunk stability.

ObliquesTransverse absGluteus medius
Side Plank — Starting position Starting position
Side Plank — End position End position

Parameters

3 per side Sets
20-30s Reps
45s Rest

01 Steps

  1. 1 Lie on your side with your forearm on the floor, elbow directly under your shoulder.
  2. 2 Stack your feet on top of each other (or place the top foot in front for more stability).
  3. 3 Lift your hips off the floor to align your body from head to feet.
  4. 4 Engage your obliques and glutes to maintain the position.
  5. 5 Hold for the prescribed time, then switch sides.

02 Tips

  • Push the floor away with your elbow to avoid sinking into your shoulder.
  • Extend your free arm toward the ceiling to improve balance.
  • If your hips drop, squeeze your glutes harder.

03 Common mistakes

  • Hips rolling forward or backward: your body must stay in a single plane.
  • Rolling forward: imagine you are between two walls.
  • Elbow too far forward or back: it must be directly under the shoulder.

04 If you struggle

  • Do the side plank on your knees (bend your knees at 90°).
  • Reduce the duration to 10 seconds and increase progressively.
  • Master a 30-second front plank before moving to the side plank.
Intermediate Side Plank

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