5 Questions
What is the belly of a muscle?
The largest portion of the muscle between the origin and insertion
How are muscles named according to their size?
Maximus, minimus, longus, brevis
What is the function of an agonist muscle?
Causes an action when it contracts
What is the role of tendons in muscle movement?
Attach muscles to bones
What do fixators do in muscle movement?
Stabilize joint/s crossed by the prime mover; prevent movement of the origin of the prime mover
Study Notes
Muscle Structure and Function
- The belly of a muscle is the main, central part of the muscle where contraction occurs.
Muscle Nomenclature
- Muscles are named according to their size, shape, location, and action, with larger muscles often having more descriptive names.
Muscle Types and Functions
- An agonist muscle is a muscle that contracts to produce movement, and is responsible for the primary action of the muscle.
Muscle Movement and Tendons
- Tendons connect muscles to bones and play a crucial role in muscle movement by transmitting the force of muscle contraction to the bone, resulting in movement.
Muscle Movement and Fixators
- Fixators are muscles that stabilize a joint or bone, allowing the agonist muscle to produce movement efficiently and effectively, without interfering with the movement.
Test your knowledge of muscle terminology with this quiz. Learn about muscle origins, insertions, bellies, tendons, agonists, and antagonists.
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