CRF Assessment Case Studies Case Study 1 Michelle is a 42 year old female who is starting an exercise program at your facility Michelle walks her dog 6 days per week for 30 minutes at a moderate intensity Michelle wants to start a strength training program She does not have any known health issues or signs symptoms of disease Blood pressure 2 occasions 124 74 mm Hg and 122 72 mm Hg non smoker BMI 26 2 LDL cholesterol 126 mg dL HDL cholesterol 52 mg dL fasting blood glucose 82 mg dL Michelle takes simvastatin a statin for hyperlipidemia Michelle will perform a submaximal fitness test on a cycle ergometer 1 Was medical clearance recommended prior to participating in this fitness test 2 What CVD risk factors does Michelle have 3 What instructions should be given to Michelle before her test Take routine medication with small amount of water no alcohol or caffeine 12 hours before no strenuous exercise 12 hours before 4 After Michelle completes her fitness test her estimated VO2max is 21 6 ml kg min What normative fitness category does Michelle s estimated VO2max fall into What does this say about her cardiorespiratory fitness no 1 Good 5 How will you use the results of Michelle s exercise test What are the limitations of categorizing Michelle s cardiorespiratory fitness level based on the normative data Use the results to inform her about her health and future exercise programs the limitations would be assuming shes in poor health 6 What are the potential sources of error in estimating VO2max from a submax test Can be over or under estimated Case Study 2 Brad is a 37 year old male who has been fairly sedentary due to the nature of his full time job and challenge of maintaining a consistent exercise routine His main goal is to become more regular with his workout routine and improve his overall fitness level Brad has no health conditions and no signs or symptoms of CMR disease RHR 76 bpm BP 132 78 and 134 74 non smoker BMI 31 2 LDL cholesterol 118 HDL cholesterol 54 fasting blood glucose 94 mg dL Brad takes lisinopril an ACE inhibitor for his blood pressure He will perform a submaximal graded exercise test on a treadmill 1 Was medical clearance necessary prior to participating in this fitness test 2 How many CVD risk factors does Brad have no 3 2023 Heather Bieber Reproduction of this material is prohibited without the author s consent 3 What effect might the drug Brad takes for his blood pressure have on his exercise test Decreased bp and hypotension in post workout 4 What measures should be taken during the graded exercise test When are these measures collected Measure heart race twice during last two minutes of every stage BP is measured in the final minute of each stage 5 The results of Brad s submaximal treadmill test indicate that his estimated VO2max is 40 5 ml kg min What normative fitness category does Brad s VO2max fall into What does this tell you about Brad s cardiorespiratory fitness How would you use these results He falls into a fair category this tells me he could improve his physical health but not bad for having a sedentary lifestyle Using these results we can put him on a moderate training program that s surrounded around his VO2Max making sure hes not doing anything vigorous in his future training plan 6 Why can t you compare Brad s results with Michelle s results Due to their different medical history and difference in gender 2023 Heather Bieber Reproduction of this material is prohibited without the author s consent