Chin tuck
Cervical retraction — slide your head straight back to undo all-day forward-head posture. Looks like a double chin; that's correct.

Muscle principal: trapsmobilityDifficulté: 1/5
Repères techniques
- ✓Slide the whole head back, do not tilt down
- ✓Hold 2 seconds at end range
- ✓Feel a gentle stretch at the back of the neck
Erreurs courantes
- ×Tilting chin down instead of sliding back
- ×Holding too long — 2 seconds is enough
Traduction en cours — version anglaise affichée.