Physical Fitness is no longer limited to just doing certain forms of activity, but rather the whole adaptation of the body in terms of doing physical effort
The ability of the lungs, heart, and blood vessels to deliver adequate amounts of oxygen to the cells to meet the demands of prolonged physical activity
The Chair Squat is the simplest variation of the regular squats and is most appropriate for a beginner. Its main purpose is to target large muscle groups of your lower body
If John's heart rate after activity is in the Good Range, it means his cardiovascular endurance is properly at work and his heart recovered quickly from the activity