0 what you must be eating some really shady meat
Doing a physically energetic job does not grant you better physical fitness. This is due to the fact intensive physical exercise at some stage in work becomes a burden as a substitute than a benefit. People who do a physical job, spend about eight hours at work with a restricted or quick time of breaks.
Individuals should participate in Aerobic exercises to increase cardiovascular endurance. (There's more exercises than just running that can increase your cardiovascular endurance, aerobic is more of a group of activities that do such)