Magen David exercises

The Story of "Magen David" Exercises (by Mark Gringols BPT MPH)
Professional background
I am licensed physical therapist, graduated at Tel Aviv University of Israel in 1996.
At my almost 15 years of carrier I treated thousands of patients, and most of them were suffering from orthopedic conditions. I felt that knowledge I had was good but something was missing …
I started to find out what was missing.
Ergonomics-I was almost sure that condition at work ( where person spends most of his aware life)-it is a key for treating and prevention of such musculoskeletal conditions as Low Back Pains, Knee Pain and etc.
After few years of successful experience at Motorola plant, Arad (Israel) I was sure that is the key for better quality of life.
My Master Degree (Ben-Gurion University, Beer Sheva ,Israel 2004 )was in that field –industrial health. I published it