'Six-pack abs' electronically?
D000005:Abdomen / Q000502:physiology*; D003257:Consumer Product Safety; D018795:Device Approval / Q000331:legislation & jurisprudence*; D004558:Electric Stimulation / Q000009:adverse effects / Q000295:instrumentation*; D006801:Humans; D018482:Muscle, Skeletal / Q000502:physiology*; D011358:Product Surveillance, Postmarketing; D014481:United States; D014486:United States Food and Drug Administration