Terminology
troph
nourisment
Which muscle is considered "voluntary"
Skeletal
Muscles are able to return to their original shape when they relax. This characteristic is called:
Elasticity
Sternocleidomastoid
Thomas broke his ankle and cannot run or walk as usual. What would help prevent muscle atrophy in his leg?
Massage of the leg muscles
biceps
two-headed muscle
Special circular muscles in the openings between the esophagus and stomach are called:
Sphincter
When a muscle become shorter and thicker and causes movement, it is said to have:
Contractibility
What muscle would be found in the leg
Gastrocnemius
Because Leslie suffers from myalgia, her muscles:
Hurt
gastrocnemius
pertaining to the calf of the leg
This muscle is found only in the heart:
Cardiac
A characteristic of both muscle and nervous cells (neurons)
Excitability or irritability
The main muscle of the upper back
Trapezius
If we fail to exercise, our muscles become weak, flaccid, and will:
Atrophy
neromuscular
pertaining to the nerve and muscle
This muscle is also called Visceral, not under conscious control, for this reason they are called "Involuntary"
Smooth
The ability to be stretched
Extensibility
Hamstrings
A person who lifts weights overuses muscles. This overuse causes the muscles to enlarge or:
Hypertrophy
sarcolemma
covering around muscle flesh
Each muscle cell is know as a muscle fiber. The cell membrane is ___________ and the cytoplasm is __________.
Sarcolemma and Sarcoplasm
It is the ability to respond to certain stimuli by producing electric signals called:
Action potentials (Impulses)
The Thoracic muscle that aids in breathing is the:
Diaphragm
If muscle cells are stimulated repeatedly without adequate periods of rest, lactic acid accumulates, and the muscles will lose its ability to contract. This is known as muscle:
Fatigue