A primer on body parts

The muscular system is responsible for the movement of the human body. Attached to the bones of the skeletal system are about 700 named muscles that make up roughly half of a person’s body weight. Each of these muscles is a discrete organ constructed of skeletal muscle tissue, blood vessels, tendons, and nerves. Muscle tissue is also found inside of the heart, digestive organs, and blood vessels. Many of our exercises refer to different muscles of the body. Check out this handy chart to help you navigate the muscular system. Familiarizing yourself with the muscular system will help you understand which muscles your are using during certain exercises and allow you to identify which muscles hurt or get sore during a flare up.

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