Individuals with lower fitness levels can build up from a slow, short stroll to a brisk, longer walk. (mystrengthtraining.com)
And workouts are fine for beginners and low fitness level individuals.... (roypumphrey.com)
In a video produced by the journal, Nauman explained that blood pressure and cholesterol may be directly related to fitness level, and may help explain the relationship between low fitness level and higher risk of death. (health.com)