10 Questions
What is the rate at which a muscle works defined as?
Force x velocity of contraction
Which type of muscle is responsible for involuntary contraction?
Smooth
What is the main factor affecting the force and velocity generation of muscle?
Fibre types
What is the speed of contraction for skeletal muscle?
Slow to fast
What is the anatomical factor that affects the force production of normal muscle?
Gross muscle structure
What is the factor that affects the force and velocity generation of muscle?
Fibre types
Which type of muscle is responsible for voluntary contraction?
Skeletal
What defines the rate at which a muscle works?
Force x Velocity of contraction
Which anatomical factor affects the force production of normal muscle?
Gross muscle structure
What is the speed of contraction for smooth muscle?
Very slow
Study Notes
Muscle Contraction and Force Generation
- The rate at which a muscle works is defined as the power of muscle contraction.
Types of Muscle Contraction
- Involuntary contraction is responsible for smooth muscle.
- Voluntary contraction is responsible for skeletal muscle.
Factors Affecting Muscle Contraction
- The main factor affecting the force and velocity generation of muscle is the load on the muscle.
- The anatomical factor that affects the force production of normal muscle is the length of the muscle fiber.
Speed of Muscle Contraction
- The speed of contraction for skeletal muscle is fast.
- The speed of contraction for smooth muscle is slow.
Test your knowledge about the anatomy and physiology of skeletal muscles, including muscle contraction, force generation, and muscle types.
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