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Bird dog

A bird dog is reaching one arm forward and the opposite leg back while on all fours, keeping your back flat like a table. It works the lower back, glutes and deep core, and trains balance and control.

Group
Core
Equipment
A mat
A first set
12 reps

How to do it

Start position

Get on your hands and knees on a mat, hands under your shoulders, knees under your hips, back flat, eyes on the mat.

One rep

  1. Slowly reach one arm straight forward while the opposite leg extends straight back, both ending level with your back.
  2. Hold for a moment, balanced.
  3. Bring the hand and knee back under your body.
  4. Do the next rep with the other arm and leg.

Tempo

About 3 seconds per rep, at a controlled pace. A set of 12 takes around 36 seconds.

Form cues

  • The opposite arm and leg move together.
  • Keep your back flat like a table.
  • Keep your hips square to the floor.

Common mistakes

  • Back saggingTighten your stomach before you reach, and lift the leg only to hip height.
  • Hips rotatingImagine a glass of water on your lower back that mustn't spill.
  • Swinging the limbsReach slowly and hold each rep for a breath.