Skeletal Muscle Names

Choose which muscle naming rules are used for (check all that apply):

Pectoralis major

• Location of muscle

• Direction of the muscle fibers

• Relative size of the muscle

• Number of origins

• Location of the muscle's origin and insertion

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Frontalis

• Direction of muscle fibers

• Shape of the muscle

• Action of the muscle

• Location of the muscle

• Direction of muscle fibers

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Rectus abdominis

• Action of the muscle

• Number of origins

• Location of the muscle

• Number of origins

• Direction of the muscle fibers

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Adductor group

• Relative size of the muscle

• Location of the muscle

• Number of origins

• Action of the muscle

• Shape of the muscle

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Trapezius

• Action of the muscle

• Direction of the muscle fibers

• Number of origins

• Relative size of the muscle

• Shape of the muscle

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Sternocleidomastoid

• Direction of muscle fibers

• Number of origins

• Location of muscle

• Location of the muscle's origin and insertion

• Direction of the muscle fibers

Gluteus medius

• Location of the muscle

• Relative size of the muscle

• Direction of the muscle fibers

• Action of the muscle

• Shape of the muscle

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Quadratus lumborum

• Relative size of the muscle

• Direction of muscle fibers

• Relative size of the muscle

• Location of muscle

• Number of origins

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External oblique

• Location of muscle

• Direction of muscle fibers

• Relative size of the muscle

• Action of the muscle

• Location of muscle's origin and insertion

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Extensor digitorum longus

• Direction of muscle fibers

• Location of muscle

• Action of muscle

• Relative size of the muscle

• Shape of the muscle