Mountain Climber
Core
Time-Based
Bodyweight
Mountain climbers are a dynamic core exercise that also elevates heart rate. From a push-up position, drive your knees alternately toward your chest at speed for a set duration.
How to Do Mountain Climber
- Start in a high push-up position with wrists under shoulders and body in a straight line
- Drive one knee toward your chest, then quickly switch to the other knee
- Keep your hips level — don't let them bounce up and down with each knee drive
- Maintain a steady rhythm — think of running in place horizontally
Form Cues
- Start in a high push-up position with wrists under shoulders and body in a straight line
- Drive one knee toward your chest, then quickly switch to the other knee
- Keep your hips level — don't let them bounce up and down with each knee drive
- Maintain a steady rhythm — think of running in place horizontally
Common Mistakes to Avoid
- Piking the hips up high instead of keeping the body in a straight plank line
- Not driving the knees far enough toward the chest — aim for the knee to pass the hip line
- Placing too much weight on the toes and not enough on the hands, which reduces core engagement
Muscles Worked
Primary
Rectus Abdominis
Hip Flexors (Iliopsoas)
Secondary
Obliques
Anterior Deltoid
Quadriceps
Gluteus Maximus
Recommended Sets and Reps
Beginner
3 sets
20-30s
60s rest
Intermediate
3-4 sets
30-60s
45s rest
Advanced
4-5 sets
60-90s
30s rest
Variations and Alternatives
Frequently Asked Questions
What muscles does the mountain climber work?
Mountain climbers target the rectus abdominis and hip flexors dynamically, with secondary work from the obliques, anterior deltoids, quadriceps, and glutes. They also elevate heart rate for a cardio benefit.
How long should I do mountain climbers?
Beginners should aim for 20-30 seconds, intermediates 30-45 seconds, and advanced athletes 45-60+ seconds at full speed. Rest equal to work time between sets.
Mountain climbers vs planks — which is better?
Planks build isometric core stability, while mountain climbers add dynamic movement and cardio conditioning. Mountain climbers burn more calories and build hip flexor speed, while planks are better for pure core stability. Use planks for strength, mountain climbers for conditioning.
Watch Form Guide on YouTube
Search for Mountain Climber tutorials
Track Mountain Climber in IronStreak
Track your Mountain Climber progress privately — all data stays on your device. No account required. Free on iOS.