Case Study: Analysis and Interpretation of GXT Data
Mike is a 22-year-old college student whose weekend job requires him to be on his feet and frequent
heavy lifting. However, much of his time is during the week is spent sitting in a classroom. He is thinking
about starting a new fitness program at the recreation center and contacted you to perform a maximal
aerobic fitness test. The GXT was conducted using a Monark cycle ergometer. The following data were
presented:
Age: 22-year-old
Sex: Male
Resting HR: 71 bpm
Resting BP: 124/92 mmHg
Height: 5 ft 10 in. (177.8 cm)
Body weight: 180.8 lb (82 kg)
GXT Data
Stage
Min
Work rate (kgm·min−1)
HR
1
1
180
110
2
180
115
3
180
119
4
360
130
5
360
136
6
360
138
7
540
151
8
540
158
9
540
163
2
3
BP
RPE
138/92
7
156/90
13
180/88
16