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Questions and Answers
What are the five major types of movements performed by muscles?
Adduction, abduction, flexion, extension, rotation
What are the three types of muscles based on classification?
Cardiac, visceral, skeletal
What happens in quadriplegia?
Communication between the nervous system and skeletal muscles is severed.
What is the role of tendons and fascia in the muscular system?
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Which muscle type is an exception in terms of dependency on the nervous system?
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Which characteristic of muscles allows them to respond by contracting?
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What type of muscle is found in the heart?
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Which term describes the ability of muscles to return to their original shape after being stretched?
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What causes quadriplegia?
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What term defines muscles moving away from the midline of the body?
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Study Notes
- The muscular system consists of over 600 muscles.
- Muscles are excitable, capable of receiving stimulation and responding by contracting.
- Muscles are irrigative, meaning they can be stretched without damage.
- Muscles have elasticity, able to return to their original shape and length after being stretched or contracted.
- Muscles are adaptable, capable of enlarging or atrophying based on use.
- Muscles perform five major types of movements: adduction (moving toward midline), abduction (moving away from midline), flexion (bending), extension (straightening), and rotation (moving around an axis).
- Muscles are classified into three types: cardiac (involuntary, found in the heart), visceral (smooth, involuntary, found in organs), and skeletal (voluntary, attached to the skeleton).
- The muscular system requires supportive structures like tendons and fascia to function.
- The nervous system is essential for the muscular system's voluntary movements.
- Quadriplegia occurs when communication between the nervous system and skeletal muscles is severed.
- Cardiac muscle is an essential exception, being the only muscle not directly dependent on the nervous system.
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Description
Test your knowledge about the muscular system, including the types of muscles, movements, and the relationship with the nervous system. Learn about the functions of over 600 muscles in the human body.
