The subject was instrumented with a 12-lead ECG and a blood pressure cuff placed on the arm. Supine resting and standing ECG and blood pressure will be measured before the start of exercise. The exercise portion of the test will be performed on a treadmill using the standard Bruce protocol. The first exercise stage was at a speed of 2.74 km/hr (1.7 mph) and gradient of 10%. Every three minutes the treadmill speed and grade was increased gradually until the subject no longer kept pace with the speed of the treadmill belt, requests to stop, the subject reaches 85% of their age predicted maximum heart rate (220-age), or the medical monitor terminates the test. The subject completed an active cool-down by walking on the treadmill at a low intensity for up to 5 minutes. Heart rate, cardiac rhythm, and blood pressure was monitored throughout exercise and recovery. An ACLS-certified physician monitored the test. The Bruce Treadmill Stress Test Protocol utilized during this study included ten stages with varying speed and gradients.
This experiment has concluded in ground-based studies sponsored by the National Aeronautics and Space Administration's Human Adaptation and Countermeasures Division. This experiment was conducted during the Lunar Analog Feasibility Study. LSDA does not expect to receive results from this study.
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