The Secrets of a Killer Ab Workout

Without these 7 components, your muscles simply won't work

If you've never taken a fitness theory course or a course on anatomy, then you're about to learn some very, very important info about your muscles and how they're designed.

If you have taken one of these courses before, pay close attention cause you might learn something new. And if not, this will be a fun little review for you anyway.

Your muscle tissue is made up of several different components. These components work together to contract and activate specific muscle groups in your body. The muscle tissue itself is made up of seven different muscle tissue components and 3 layers of connective tissue sheaths.

The largest and outermost component that makes up your muscle is called the muscle belly.

The muscle belly is covered by a connective tissue sheath called the epimysium. The muscle belly is located directly beneath your skin and is what you see from the outside when you look at your muscles. The muscle belly is made up of smaller components called fasiculus. Each fisiculus is wrapped in a connective tissue sheath covering called the perimysium. The fasiculus is made up by even smaller components called muscle fibers.

Again, each muscle fiber is also covered in it's own connective tissue sheath covering called the perimysium and is made up of even smaller components called Myofibrils.

Myofibrils are made up of sarcomeres which house actin and myosin myofilaments.

The sliding filament theory states that during muscle contraction, myosin cross-bridges pull on the thin actin filaments and the actin and myosin filaments come toward each other, causing the sarcomeres to shorten. This in turn causes the shortening of the whole muscle fiber and ultimately the entire muscle.

It all comes down to to 2 tiny, microscopic myofilaments working together to cause your muscles to do what they do when you need them to. I know there may be a ton of terms here that may be new to you, but don't worry about learning them.

All you need to know is that your muscles are made of of many smaller components that all work together to make your muscles contract and ultimately what makes you move.

So the next time you're wondering why your muscles work the way they do, you'll always be able to come back to this article to refresh your memory.

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