Im a sports man ,Physical fitness is regular stuff I do to keep fit.
Me too, physical fitness is really about eating right, getting the proper amount of rest and vigorous exercise
What steps do I need to take to keep my body in shape?
Fitness means being fit and able to exercise and do strenuous daily activites
So what type of  food do I need to eat regularly?
Fruits, veggies & protein and your body should be able to function efficiently and resist certain diseases
What techniques do you suggest? Have you heard of yoga?
Yoga is good but you also need vigorous workouts to perform sports and occupational work as well as daily activities