This article reviews the empirical and theoretical bases for recommendations regarding
lifting technique. Lifting from postures involving extreme lumbar vertebral
flexion,(approximately 60° of lumbar flexion, characterised by absence of
electromyographical activity in erector spinae) has the potential to contribute to damage to
ligaments and intervertebral discs, especially if combined with lateral flexion or rotation. The
only appropriate recommendation regarding posture of the lumbar spine during lifting is to …