title: Muscle relaxation during abdominal surgery.
abstract: A self-retaining surgical retractor has been modified by incorporating a strain gauge device linked to a digital display meter. This instrument is capable of continuously monitoring abdominal wall relaxation during surgery and should prove useful in a variety of routine and investigative procedures.
mesh_terms: D000009:Abdominal Muscles / Q000601:surgery*; D006801:Humans; D008991:Monitoring, Physiologic / Q000295:instrumentation; D009119:Muscle Contraction; D009126:Muscle Relaxation; D013314:Stress, Mechanical; D013525:Surgical Instruments / Q000592:standards*