So I'm starting up jogging again since my teenage years.  That's about 27 years ago.  Now that I'm older and more prone to injuries, I stumbled upon this running technique called chi running on Youtube.  It's based on tai chi and it teaches you to land on your mid-section of your foot instead of your heel.  By aligning your body and head in the most upright position with a forward tilt from the chest, you begin running.  It's how a baby learns to walk - the most natural and efficient way. …