Eccentryx / Exercise Atlas / core
Mountain Climbers
High plank, ribs down, drive one knee at a time under chest.
Muscles
- Primary
- abs
- Supporting
- hip flexors, quads, delts
Mechanics
- Pattern
- conditioning
- Equipment
- bodyweight
- Geometry
- 180° Core Alignment
- Energy model
- Glycolytic Pathway (10-90s)
- Target feel
- Core resists sag while hip flexors move fast.
- Progression
- Increase cadence only when plank line stays rigid.
- Regression
- Slow the reps or use incline hands.
Watch for
- Hips piking high
- Hands drifting forward
Substitutions
- Dead bug
- Bear crawl
- Plank