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UNDERSTANDING THE MUSCLE GROUPSNow that you know the names and locations of each muscle group, it's time to learn what each one does. When muscles contract, they pull two or more bones in your body together. this creates movement. Each muscle group has at least one motion that it it responsible for producing. Feel free to click through the muscle groups one at a time to learn what action it produces, or move on to a new section. |
Muscles contain both thick and thin filaments. During a process explained by the sliding filament theory, these filaments slide past one another, causing your muscles to contract, or shorten.
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