Technique:

• Stand upright with your feet shoulder width apart
• Place one hand on your hip and extend your other arm
• Extend your arm above your head
• Slowly bend to the side
• Avoid bending forward

Primary muscles: Quadratus lumborum. External and internal obliques. Latissimus dorsi.
Secondary muscles: Teres minor. Iliocostalis lumborum. Intertransversarii. Rotatores. Multifidus.

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

Note: Concentrate on keeping your upper body straight during this stretch. Avoid leaning forwards or backwards.