Name 2 places in your body that you would find smooth muscle
hollow organs, arteries
Name two types of striated muscle
skeletal and cardiac
Name two types of involuntary muscle
smooth and cardiac
Another name for a muscle fiber is a muscle ___ .
cell
Name the -mysiums in order from inner to outermost.
Endomysium
Perimysium
Epimysium
A bundle of ___ is a fascicle
muscle fibers (muscle cells)
The tendon is composed of ___ .
connective tissue or -mysiums
What is another name for the cell membrane in muscle cell?
sarcolemma
Muscles must have two (or more) ___ and must cross one (or more) ___ .
attachments; joints
The attachment that moves is called the ___ .
insertion.
Muscles that decrease the angle between ventral (anterior) surfaces of the body are called ___.
flexors.
Muscles work in ___ pairs.
opposing
What muscle characteristic was used to name . . .
the deltoid muscle?
Shape. Delta is a triangle.
What muscle characteristic was used to name . . .
a muscle with "longus" in its name?
size
What muscle characteristic was used to name . . .
a muscle that includes the word "extensor?"
Action (the movement caused by the muscle)
What muscle characteristic was used to name . . .
a muscle that contains the word "tibialis?"
accept either location or attachment.
Twisting of a joint may cause a ___ .
sprain
characterized by sudden tight pain and involuntary contractions
cramps/spasms
may require surgery
tear/rupture
3 injuries can affect tendons. name 2.
tendinitis, strain, and tear/rupture
When a nerve impusle stimulates a muscle, ___ is released into the muscle fiber.
calcium
What is it that actually shortens in length in a muscle contraction? (Careful . . .)
Sarcomere
What provides the power stroke? (supply the actual part, not an event.)
The myosin (head).
Rigor mortis is contracted muscle after death. Why does muscle stay contracted after death?
There is no ATP to break the cross bridges.