Mid-term Homework                                                     Name:____________________________

You must show all your work on back of page or separate sheet of paper.

 

 

Part 1: Calculations (10pts)

A 65-year old male has come to you to complete a submaximal exercise test.  His resting heart rate was 81bpm and is 222 pounds and 71 inches.

 

Calculate the following (SHOW YOUR WORK!):

 

a.       What is the subject’s training heart rate range at 50-75% using the HRR method?

 

 

 

 

b.      What is the subject’s weight in kilograms and height in meters?

 

 

 

 

c.       What is the subject’s BMI? According to ACSM, what is his classification?

 

 

 

 

d.      After the test, you predict your subject’s maximal workload to be 1215kg/m/min.  What is his estimated VO_2max (mL/kg/min)?

 

 

 

 

e.       What is the subject’s fitness ranking based on his estimated VO_2max (mL/kg/min)?

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Part 2: Metabolic Calculations

 

 

 

 

Given the information below, complete the table including oxygen consumption and METs.  Remember to check your units.  Show your work on an attached worksheet.

 

 

st/min = steps/minute

frequency m/st= meters/step

1MET = 3.5 mL/kg/min

1 L = 1000 mLs

 Treadmill                                                                               

VO₂ = (0.1 x S) + (1.8 x S x G) + 3.5

S = speed G = grade

1 mph = 26.8 m/min

 Cycle Ergometer

VO₂ = (1.8 x W) / M) + 7

W = Work rate kg*m/min

Watts x 6= Work Rate kg*m/min

M = Mass in kg

 Bench Stepping

VO₂ = (0.2 x f) + (1.33 x 1.8 x H x f) + 3.5 

f = step rate in steps/min        

 

H = step height in meters 

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