Portable chair for testing isometric muscle strength.
D000293:Adolescent; D000328:Adult; D001827:Body Height; D005121:Extremities / Q000503:physiopathology; D005260:Female; D006801:Humans; D007537:Isometric Contraction; D008297:Male; D008875:Middle Aged; D009119:Muscle Contraction; D009135:Muscular Diseases / Q000503:physiopathology; D026741:Physical Therapy Modalities / Q000295:instrumentation*