Exercise library · Core

Mountain Climber.

Dynamic plank drive that trains the core while raising the heart rate.

Also known as: Running Plank

BeginnerBodyweight
The numbers
Sets
3–5
Duration
30–60 s
Rest
90–180 s
The play-by-play

How to do it.

  1. Step 01

    Start in a high plank with hands under the shoulders

  2. Step 02

    Brace the core and keep the hips level

  3. Step 03

    Drive one knee toward the chest

  4. Step 04

    Quickly switch legs

  5. Step 05

    Continue alternating at a steady pace

  6. Step 06

    Keep the shoulders stacked over the hands

What separates good from great

Pro cues.

  • Keep the hips low and steady

  • Maintain a strong plank position

  • Find a sustainable rhythm

Common questions

Questions, answered.

What is the Mountain Climber?
Dynamic plank drive that trains the core while raising the heart rate.
What muscles does the Mountain Climber work?
The Mountain Climber primarily works your rectus abdominis. It also recruits your hip flexors and obliques as secondary movers.
What equipment do I need for the Mountain Climber?
None. The Mountain Climber is a bodyweight movement you can do without any equipment.
How many sets and reps should I do for the Mountain Climber?
A typical prescription for the Mountain Climber is 3–5 sets of 30–60 seconds. Rest about 90–180 seconds between sets.
Is the Mountain Climber good for beginners?
Yes. The Mountain Climber is a beginner-friendly movement, so it is a good choice when you are starting out, as long as you keep the load light and focus on form.

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