You already know that resistance training improves your bones, but I bet you won't be surprised to learn that it improves your muscles as well. In fact, by weight-training, you will become stronger, have more energy, be less prone to injuries, and even enhance your coordination. In this topic, you will discover what happens to your muscles when you perform resistance training. You will also learn more exercises to incorporate into your weekly workout routine.

Essential Questions

• What is the effect of strength training on muscles?
• How can you make changes to your workout?