Lumbar Spine Side Flexion Stretch Lumbar Spine Side Flexion Stretch Abdominal & Obliques Muscle Stretches, Common Stretches & Advice, Latissimus Dorsi Muscle Stretches, Lower Back Stretches Lumbar Spine Side Flexion Stretch Muscles: Rotatores, Quadratus Lumborum, Intertransversarii, Multifidus, Internal Oblique, External [...] Lumbar Spine Side Flexion Stretchconnor2014-03-06T17:14:24+00:00