There are a lot of different types of contractions, but the most common are the dental contractions that you feel when you yawn or when you chew.
When you yawn, you experience dental contractions.
During chewing, you also experience contractions in your throat and mouth.
noun
the process or result of becoming smaller or pressed together
Synonyms:
noun
(physiology) a shortening or tensing of a part or organ (especially of a muscle or muscle fiber)
Synonyms:
noun
a word formed from two or more words by omitting or combining some sounds
noun
the act of decreasing (something) in size or volume or quantity or scope
1
Muscles expand and contract with an increasing vibrancy.
2
Shortening involves the contraction of the longitudinal muscle.
3
The higher the recruitment the stronger the muscle contraction will be.
4
This causes the abrupt contraction of the muscle fibers.
5
The movement of body structures is accomplished by the contraction of muscles.
6
An insincere smile only shows contraction of the zygomatic muscle.
7
In biology, galvanism is the contraction of a muscle that is stimulated by an electric current.
8
A neck spasm is an involuntary contraction of the muscles in the neck region.
9
This hormone contracts smooth muscle during parturition and lactation.
10
The combined effect of the myriad power strokes causes the muscle to contract.