.Programsweredevised for subjects according to each of their capacities. The maximum weight a subject could lift a single time was used to set the load for the first week at 50% of a maximum repetition. Subjects were then instructed to perform three setsof 10 repetitions for each exercisewith a l- to 2-minute rest period between sets.By the second week, or as subjects could tolerate, the load was increased to 80% of the single maximum repetition. This maximum repetition was reassessedevery 2 weeks and the training stimulus was adjusted to keep the load at 80% of each subsequentmaximum repetition.