Chapter 10 Flashcards
How many muscles are in the body?
600
What are the three types of muscle tissue?
skeletal, cardiac, smooth
What is the major purpose of muscles?
convert chemical energy to ATP
What is myology?
the study of the muscular system
What are the 5 functions of muscles?
movement, stability, controlling of passageways, heat production, and glycemic control
What is endomysium?
thing sleeve of connective tissue that surrounds muscle fibers
What is perimysium?
thick layer of connective tissue
What is epimysium?
fibrous sheath surrounding entire muscle
What is fascia?
separates neighboring muscles
What is a muscle compartment?
Group of related muscles enclosed and separated by connective tissue
What are tendons?
bridge gap between muscle ends and bones
What kind of attachment is a tendon considered?
An indirect attachment
What is a direct attachment?
little separation between muscle and bone
What is the origin of the muscle?
bony attachment at the end of muscle
What is the belly of the muscle?
thicker, middle region of muscle
What is the insertion part of the muscle?
bony attachment to mobile end of the muscle
What are the four categories depending on action?
prime mover, synergist, antagonist, and fixator
What are intrinsic muscles?
entirely contained within a region
What are extrinsic muscles?
has a designated region, but originated elsewhere
What is innervation of a muscle?
identity of the muscle that stimulates it
What are cranial nerves?
arise from the base of the brain
How many liters of blood per minute does the muscular system receive?
1.24 L
