Sprinting and Pull UpsAvatarpackymacThis 30-Minute Workout Builds Muscle and Burns Fat in Less Than Half the Time of a Normal Workoutverified_publisherInc Magazine - Andrew ThomasHow working with an Army Ranger helped me achieve twice the results in less than half the time. For many years, I exercised for at least one hour a day, five days a week. It seemed legitimate, yet I never felt as fit as I expected given the time I invested. Then I discovered a workout that achieved …
