Technique:

• Stand upright with your feet shoulder width apart
• Place your hands across your chest while keeping your back and shoulders upright.
• Slowly rotate your shoulders to one side

Primary muscles: Semispinalis thoracis. Spinalis thoracis. Longissimus thoracis. Iliocostalis thoracis. Iliocostalis lumborum. Multifidus. Rotatores. Intertransversarii. Interspinales.
Secondary muscles: Quadratus lumborum. External and internal obliques.

Injury where stretch may be useful: Back muscle strain. Back ligament sprain. Abdominal muscle strain (obliques).

Note: To increase the intensity of this stretch use your hands to help you rotate sideways.