Have you ever felt winded after climbing a few flights of stairs or carrying groceries from the car? That has to do with your stamina. Similar to mental and physical endurance, stamina is your body’s ...

When running, most of us face two challenges: our heart and lungs (conditioning); and our leg stamina. Either your “lungs or ...

View post: Registered Dietitian Reveals a Simple Way to Add an Extra 30g of Protein to Your Day (No Shakes Required) Don’t get us wrong, trying new workouts can be fun and motivating. If you’ve been ...

Air Force Senior Airman Brandon Stout, 380th Expeditionary Civil Engineer Squadron, does pull-ups during a workout at an undisclosed location in Southwest Asia on Sept. 11, 2013. (Staff Sgt. Joshua J.