Respuesta :
Core workouts would benefit his heart the most, as core can be upper and lower parts of the stomach.
Answer:
Running to work instead of driving.
Explanation:
Running is an excellent activity for those who want to stay at their heart rate zone target because of the increased use of body muscles and oxygen.
Being an activity that can be performed anywhere and without the use of specific equipment, running is one of the easiest activities and indicated to maintain fitness.