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Questions and Answers
What is the belly of a muscle?
What is the belly of a muscle?
- A very broad tendon
- The muscle end attached to the bone with the greatest movement
- The largest portion of the muscle between the origin and insertion (correct)
- The muscle end attached to the more stationary of two bones
How are muscles named according to their size?
How are muscles named according to their size?
- Maximus, minimus, longus, brevis (correct)
- Deltoid, quadratus, teres
- Pectoralis gluteus, brachial
- Rectus
What is the function of an agonist muscle?
What is the function of an agonist muscle?
- Causes an action when it contracts (correct)
- Prevents movement of the origin of the prime mover
- Works together with other muscles to cause a movement
- Stabilizes joint crossed by the prime mover
What is the role of tendons in muscle movement?
What is the role of tendons in muscle movement?
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What do fixators do in muscle movement?
What do fixators do in muscle movement?
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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.
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Description
Test your knowledge of muscle terminology with this quiz. Learn about muscle origins, insertions, bellies, tendons, agonists, and antagonists.
