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| Mac with the chicken wing and its muscles. |
On SCOPE's Sports Body episode, you saw Mac study muscles in a chicken wing. Here's how he did it. Watch the clip.
CAUTION : This activity involves raw chicken. Make sure you wash you hands afterwards, as well as any equipment you used.
What you need
What to do
What's happening?
Ever wondered what muscles look like and how they work?
Well, wonder no longer, because this easy do at home experiment should help explain what's going on under there. Muscles help us move by pulling on our bones, and tendons attach muscles to bone. You can use your toothpick to gently separate the muscles from each other.
When you bend the wing some of the muscles get longer, while others get shorter. And if you move the wing the other way, the longer muscles are now short and the short ones are long!
This is because muscles work in pairs, and can only achieve motion by pulling, or contracting. When one muscle pulls, the other releases. You can see this on yourself.
Hold out your arm and bend it inwards at the elbow. Now move it back out again until it is straight. When you bend your arm inwards, the muscle on the front of the upper arm, your biceps pulls and gets shorter, while the muscle on the back of your arm, your triceps, releases and gets longer.
When you straighten your arm, the triceps pulls and the biceps releases. It is the same for all of your joints, and the chicken.
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