How do you keep your locomotor system healthy?

How long does it take to walk half a mile? What are the differences between Yates rows and barbell rows in terms of muscle activation and effectiveness for building back strength and size? How many calories did i burn doimg cardio? Is the incline chest press harder than the flat bench press? Is a exercise machine a pulley? How can you gain 4 pounds? Will having to lift heavy things make your belly button piercing mess up? Are there thin enough ankle weights to go under socks? Where is the best yoga and medetation programs? What is shortening of a muscle fiber called? What are the common symptoms of vitamin deficiency that can lead to chapped lips? Who won worlds strongest man 2011? How can I maintain good posture while using an exercise ball as a chair"? What is abnormal shortening of a muscle? What strategies should you use to get stronger? Does the Nike plus come with the Nike shoe? Is there an available corded heart rate monitor? Why is abdominal massage relaxing? What are the benefits of incorporating concentric workouts into my exercise routine? How many calories burn off l lb?