Life Fitness 93SI, 9SI specifications Men Estimated VO2 Max ml/kg/min Per Age Category

The tables below list fit test results.

RELATIVE FITNESS CLASSIFICATION FOR MEN

Men	Estimated VO2 Max (ml/kg/min) Per Age Category
Rating	20-29	30-39	40-49	50-59	60+
Elite	52+	51+	48+	45+	42+
Excellent	50-51	48-50	46-47	42-44	39-41
Very Good	47-49	45-47	43-45	40-41	36-38
Above Average	44-46	42-44	40-42	37-39	33-35
Average	41-43	39-41	37-39	34-36	30-32
Below Average	38-40	36-38	34-36	31-33	27-29
Low	35-37	33-35	31-33	28-30	24-26
Very Low	<35	<33	<31	<28	<24
RELATIVE FITNESS CLASSIFICATION FOR WOMEN
Women	Estimated VO2 Max (ml/kg/min) Per Age Category
Rating	20-29	30-39	40-49	50-59	60+
Elite	44+	42+	39+	35+	34+
Excellent	42-43	40-41	37-38	33-34	32-33
Very Good	39-41	37-39	35-36	31-32	30-31
Above Average	37-38	35-36	32-34	29-30	28-29
Average	34-36	32-34	30-31	27-28	25-27
Below Average	31-33	29-31	27-29	25-26	23-24
Low	28-30	27-28	25-26	22-24	20-22
Very Low	<28	<27	<25	<22	<20

Life Fitness developed this rating scale based on VO2 max percentile distributions referenced in American College of Sports Medicine's "Guidelines for Exercise Testing and Prescription" (6th Ed. 2000). It is designed to provide a qualitative description of a user's VO2 max estimation, and a means of assessing initial fitness level and tracking improvement.

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