His comments reminded me of what my physical therapist told me a few months ago after I went to see her about some back pain I was experiencing. “Engage your core by tightening your abdominal muscles when you are doing different activities like walking, stretching and lifting weights” she told me. I guess she forgot to include my golf swing. Engaging and strengthening core or abdominal muscles is a popular activity today. Yoga and Pilates have it as a key...