Seated Lower Trunk Extensor Lateral Flexor Stretch

Lower-Trunk Stretches: "Angling the head toward one of the knees will increase the stretch on the lowertrunk extensors and partially stretch some of the lateral flexors."

Method:
Sit upright in a chair with legs separated. Slowly extend the upper back and begin to lean forward. Continue to bend at the waist and lower your head and abdomen toward the right knee. Slowly lower the head below the right knee.

Affected Body Part:
Most-stretched muscles: Left iliocostalis lumborum, left multifidus, left rotatores, left external oblique, left internal oblique.
Lesser-stretched muscles: Left interspinales, left intertransversarii, left quadratus lumborum.