Resistance training can sometimes be mixed up with weight training. Weight training is, simply put, training with weights to build muscle, while resistance training is specific to using push or pull methods, with different types of equipment, like weights, body weight, resistance bands and more. Resistance training is great to begin at any age, but it becomes much more important as we get older due to the natural mechanics of the human body.
Sometimes doing the minimum might sound lazy. In the case of increasing physical activity by walking 10,000 steps in a day, you can do the minimum while getting the maximum amount of benefits and not be lazy at all! In fact, you may even find it to be fun.