title: [Examination of muscle tonus of the abdominal rectus muscle in various ages and patients with multiple sclerosis].
mesh_terms: D000009:Abdominal Muscles / Q000502:physiology* / Q000503:physiopathology; D000328:Adult; D000367:Age Factors; D006801:Humans; D008875:Middle Aged; D009103:Multiple Sclerosis / Q000503:physiopathology*; D009129:Muscle Tonus
vernacular_title: Badanie napiecia mieśniowego w mieśniach prostych brzucha w róznych grupach wiekowych i u chorych na stwardnienie rozsiane