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Calisthenics

Plank

Hold a rigid line from head to heels on your forearms. Simple, scalable, and still one of the best ways to build the trunk stiffness that protects your spine under load.

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Plank exercise guide
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Suggested use

Sets

3

Time

30s

Rest

45s

Calisthenics
Core
Beginner
Strength
Endurance
Isometric
Rehab-friendly

Muscles worked

Primary

Abs (rectus abdominis)
Transverse abdominis

Secondary

Obliques
Erector spinae
Glutes
Front delts

Equipment

No equipment needed - just your body.

How to do it

  1. Set your forearms on the floor with elbows under your shoulders.
  2. Step your feet back until your body forms one straight line from head to heels.
  3. Squeeze your glutes and lightly tuck your pelvis so the lower back stays neutral.
  4. Press the floor away through your forearms to keep the shoulder blades from collapsing.
  5. Breathe steadily while holding the position — no breath-holding.
  6. End the hold the moment your hips start to sag.

Common mistakes

  • Hips sagging toward the floor, arching the lower back.
  • Piking the hips up to make the hold easier.
  • Holding the breath instead of breathing behind the brace.
  • Chasing long, sloppy holds instead of shorter perfect ones.

Breathing and tempo

Breathing: Slow, steady breaths behind a light brace for the whole hold.

Progressions

Mountain Climbers

Movement option for today's training.

Beginner - Equipment varies

HIIT
Abs (rectus abdominis)
Hip flexors
Beginner
Add
Hollow Body Hold

Movement option for today's training.

Intermediate - Equipment varies

Calisthenics
Abs (rectus abdominis)
Transverse abdominis
Intermediate
Add
Side Plank

Movement option for today's training.

Intermediate - Equipment varies

Calisthenics
Obliques
Intermediate
Add

Related exercises

Hollow Body Hold

Movement option for today's training.

Intermediate - Equipment varies

Calisthenics
Abs (rectus abdominis)
Transverse abdominis
Intermediate
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Dead Bug

Movement option for today's training.

Beginner - Equipment varies

Physiotherapy
Transverse abdominis
Abs (rectus abdominis)
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Bird Dog

Movement option for today's training.

Beginner - Equipment varies

Physiotherapy
Erector spinae
Abs (rectus abdominis)
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