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Revised:   28 Nov 05

E-MAIL PERSONAL RECORD SPORTS or Call 623 972 4666 in Sun City, AZ  (Mountain Time)

RATING INTENSITIES OF THE 1 RM FOR EXERCISE PRESCRIPTIONS

1 RM RATING QUALITY DEVELOPED
90 + Very Heavy Strength
80 to 90 Heavy Strength and strength endurance
70 to 80 Medium Power and strength endurance
60 to 70 Medium Light Power and muscle endurance
50 to 60 Light Power and muscle endurance
40 to 50 Easy Threshold of training effect

Source:  Sports Speed, Third Edition