The element describes the state of exercise before the dive. This element was adopted from the DL7 Standard by DAN — Project Dive Exploration, http://www.diversalertnetwork.org/research/projects/pde/.
Allowed keywords are: none, light, moderate, heavy.
<dive>
<anysymptoms>, <dive>, <equipmentmalfunction>, <exercisebeforedive>, <exposuretoaltitude>, <medicationbeforedive>, <alcoholbeforedive>, <problems>, <stateofrestbeforedive>, <thermalcomfort>, <workload>
(see also <dive>)
<!-- light physical effort before dive -->
<exercisebeforedive>light</exercisebeforedive>