I'm 52 years old good health i walk about 3 miles a day what would be a good belly work out and arms for muscle increase?

Cross training: burst interval high and low aerobics: squats, squat thrusts ( burpees ), planks, standing arm to opposing knee crunshes. Plain old situps are not enough. Add diet ( most important) portion control, fiber, 8-10 glasses of water.day. Consult a trainer and a nutitionist and certainly get a medical checkup.

Big guns- tight abs: Going for big guns. These exercises help to build arm muscle: Push downs, pin presses, dumbbell wrist curls, dips, rolling extensions, barbell wrist curls, preacher curls, chin ups, lying barbell triceps extensions, thick grip curls, concentration curls & lying dumbbell triceps extensions. For flatter abdomen eat healthy & get physically active. Calories burned > calories consumed. To tighten