Plank
Isometric core hold building anti-extension strength.
Primary muscle: corecoreDifficulty: 1/5AI form-check supported
Secondary muscles
- shoulders
Form cues
- ✓Elbows under shoulders
- ✓Brace abs as if expecting a punch
- ✓Glutes squeezed, ribs down
- ✓Breathe steadily
Common mistakes
- ×Hips sagging or piking too high
- ×Holding breath
- ×Neck cranked up
Contraindications
Skip or modify this move if you have:
- back pain