Eccentryx / Exercise Atlas / core
Russian Twists
Sit tall or on decline, ribs down, rotate torso and load together.
Muscles
- Primary
- obliques
- Supporting
- rectus abdominis
Mechanics
- Pattern
- rotation
- Equipment
- plate, medicine ball, bodyweight
- Geometry
- 180° Core Alignment
- Energy model
- Glycolytic Pathway (10-90s)
- Target feel
- Obliques rotate the ribcage without yanking arms.
- Progression
- Add load after each side touches under control.
- Regression
- Keep feet down and reduce lean.
Watch for
- Only moving hands
- Rounding low back
Substitutions
- Cable Woodchoppers
- Pallof press
- Dead bug