14 Questions
Which type of muscle contraction occurs when the muscle does not shorten during contraction?
Isometric contraction
What are muscles called that assist the prime mover muscle in performing a movement?
Synergist muscles
Which term refers to the shrinkage and degeneration of muscles due to lack of use or disease?
Muscle atrophy
Which muscle is mainly responsible for initiating a particular movement?
Prime mover muscle
What is the term used for muscles that maintain the body's position but do not actively participate in movement?
Fixator muscles
What is the term for the state of a muscle at rest?
Muscle tone
Which type of muscle tissue is innervated by the autonomic nervous system?
Smooth muscle
From which embryonic cell type do most of the muscles in the body originate?
Mesoderm cells
Which muscle in the body is primarily stimulated by autonomic nerves?
Cardiac muscle
What is the primary innervation system for skeletal muscles?
Somatic nervous system
Which muscle in the eye is of ectoderm origin?
Sphincter pupillae muscle
What is the specialized muscle system responsible for the conduction of impulses in the heart?
Cardiac myocytes
Where are smooth muscles mainly found in the human body?
Under the skin of the scrotum
Which is the longest muscle in the human body?
Sartorius
This quiz provides general information on the musculature system and myology. Topics covered include muscle development, muscle terminology, and the origin of muscles from mesoderm cells.
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