Show:
Muscle Terminology
Muscle Movement
Muscle Characteristics
Types of Muscles
Miscellaneous
100
What kind of muscle is found in the stomach?
Smooth muscle
100
Muscle contraction where the muscle shortens
iostonic
100
How many connective tissue wrappings does skeletal muscle have?
4
100
What are the 3 muscles types?
skeletal, cardiac, and smooth
100
What is the origin of a muscle?
The place where the muscle begins, also where the muscle contracts towards.
200
What word means that muscles have visible banding?
Striated
200
muscle movement where the muscle cannot shorten
isometric
200
In Myofibrils, the smallest fiber of muscle that contains actin and myosin filaments, what is another name for the contractile units?
Sarcomere
200
Where can you find cardiac muscle?
The heart
200
The insertion is the place where the muscle ______.
Attaches (ends) or relaxes towards.
300
What is the difference between myo and sacro?
myo: muscle sacro: flesh
300
Reaction that breaks down glucose without oxygen
anaerobic glycolysis
300
What are the three layers of organization of fibers in the muscles? (Connective Tissue)
Epimysium, Perimysium and Endomysium.
300
What are the smooth muscle characteristics?
no striations, spindle-shaped cells, single nucleus, involuntary, slow, sustained movement, and tireless
300
What is the sarcoplasmic reticulum?
specialized smooth endoplasmic reticulum
400
What covers the entire skeletal muscle?
Epimysium
400
When a muscle is fatigued (tired) it is unable to....
contract
400
In the contraction of a muscle, what is the process?
neurotransmitter, sodium permeation, myosin activation, actin sliding
400
What special place joins cardiac muscle cells together?
intercalated disc
400
What is the sarcolemma?
specialized plasma membrane
500
What neurotrasmitter talks from nerve to muscle?
acetylcholine
500
CP transfers energy to ADP in a process called ____ ______ that gives muscle cells energy for contraction.
direct phosporylation
500
What specific group of muscles have Actin and Myosin in them?
Skeletal Muscles
500
What are the sites of muscle attachment?
bone, cartilage, connective tissue, tendons
500
What are the results of increased muscle use?
increase muscle size, increase muscle strength, increase muscle efficiency, muscles become more fatigue resistant