12 Questions
Which type of joint allows virtually no movement?
Fibrous joints
Which joint type operates as a hinge, essentially rotating about only one axis?
Uniaxial joint
What are the most important features of synovial joints?
Low friction and large range of motion
What allows movement about all three perpendicular axes that define space?
Multiaxial joints
Which part of the nervous system is responsible for slowing down the heart rate?
Parasympathetic nervous system
What is the structure that regulates the muscle actions?
Tropomyosin
What type of fiber is characterized by slow contraction and high resistance to fatigue?
Type I fiber
During which phase of an action potential does depolarization occur?
QRS complex
What do muscle spindles indicate?
The degree to which the muscle must be activated to overcome resistance
What is the function of proprioceptors?
To sense and relay information about muscle dynamics to the central nervous system
What happens when a load increases on a muscle?
The muscle is stretched to a greater extent and muscle spindles result in greater activation of the muscle
What is the knee jerk reflex an example of?
Muscle spindle activity
Test your knowledge about fibrous joints, cartilaginous joints, and synovial joints, and their role in allowing movement in the body. Learn about the features of synovial joints and their importance in sport and exercise movements.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
