Functions of Muscles and Naming of Skeletal Muscles

April 17, 2012 | By | Reply More

Functions of Muscles and Naming of Skeletal Muscles

Functions of Muscles

The functions of muscles are :

Prime mover – muscle with the major responsibility for a certain movement
Antagonist – muscle that opposes or reverses a prime mover
Synergist – muscle that aids a prime mover in a movement and helps prevent rotation
Fixator – stabilizes the origin of a prime mover

Naming of Skeletal Muscles

How skeletal muscles are named :

Direction of muscle fibers     Example: rectus (straight)
Relative size of the muscle    Example: maximus (largest)
Attachments of muscle          Example: sterno (origin on the sternum)
Shape of the muscle               Example: deltoid (triangular)
Action of the muscle              Example: flexor and extensor (flexes or extends a bone)
Attachments of muscle          Example: sterno (origin on the sternum)
Shape of the muscle               Example: deltoid (triangular)
Action of the muscle              Example: flexor and extensor (flexes or extends a bone)

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Category: Anatomy, Medical

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