The possible importance of the psoas muscle for stabilization of the lumbar spine.
D001696:Biomechanical Phenomena; D001835:Body Weight; D004576:Electromyography; D006801:Humans; D007403:Intervertebral Disc; D008159:Lumbar Vertebrae; D009132:Muscles / Q000502:physiology*; D011187:Posture; D013046:Specific Gravity; D013131:Spine / Q000502:physiology*