isometrics: muscle-building exercises (or a system of musclebuilding exercises) involving muscular contractions against resistance without movement (the muscles contracts but the length of the muscle does not change)
labor: productive work (especially physical work done for wages)
cutaneous anthrax: a form of anthrax infection that begins as papule that becomes a vesicle and breaks with a discharge of toxins; symptoms of septicemia are severe with vomiting and high fever and profuse sweating; the infection is often fatal