Training must be performed while the heart is working at 60% to 85%
of VO2 max. To find this range, use these simple formulas: (220-age)
x 60% and (220-age) x 85%.
Training must be load- (weight-) bearing.
Training must be progressive in nature and include numerous forms
of cardiovascular exercise.
Training should be performed three to five times per week for a minimum
of 20 minutes per session.
