Spine rounds instead of rotating
Thoracic flexion takes over from rotation; the twist is lost.
Overactive muscles
Erector spinaeLatissimus dorsi
Corrective work
Foam RollThoracic spine↗StretchLat stretch (kneeling overhead)↗Mobility · Core
Seated Spinal Rotation Stretch
Coaching cues
- Sit on the floor; one leg extended; opposite foot flat outside the extended knee
- Rotate the trunk toward the bent knee; use the elbow for leverage
- Sit tall — don't let the spine collapse
- Hold 30–60 seconds each side
Common faults 2
Hip lifts off the floor on the rotation
Hamstring tightness pulls the pelvis into posterior tilt; base is unstable.
Overactive muscles
Hamstrings
Corrective work
Foam RollHamstrings↗StretchHamstring stretch with strap↗