Ted has a max VO2 of 35 ml/kg/min and his doctor has prescribed exercise at 70%

Question

Ted has a max VO2 of 35 ml/kg/min and his doctor has prescribed exercise at 70% of his max. If he intends to walk at 3.5 mph, what grade does he need to have the treadmill at?
If Ted weighs 85 kg and cycles at 60 rpm, what is the resulting workload? Ted has a max VO2 of 35 ml/kg/min and his doctor has prescribed exercise at 70% of his max. If he intends to walk at 3.5 mph, what grade does he need to have the treadmill at?
If Ted weighs 85 kg and cycles at 60 rpm, what is the resulting workload? Ted has a max VO2 of 35 ml/kg/min and his doctor has prescribed exercise at 70% of his max. If he intends to walk at 3.5 mph, what grade does he need to have the treadmill at?

Explanation / Answer

Answer:-

Given, max VO2 = 35 ml/kg/min

Speed = 3.5 mph

VO2 = 3.5 + 2.68(speed) + 0.48(speed)(grade)

35 * 70/100 = 3.5 + 2.68 * 3.5 + 0.48 * 3.5 * grade

24.5 = 3.5 + 9.38 + 1.68 * grade

11.62 = 1.68 * grade

Grade = 6.91 %

he need to have 6.91 % grade.

Workload = weight * speed * revolution per minute

Work load = 85* 3.5/ 60 * 60 = 297. 5 kgm/m

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