abductor muscle
Học thuậtThân thiện
Definition
Noun: A muscle that moves a body part away from the midline of the body or from the central axis of a limb. This is the primary action of abduction.
Usage
The term "abductor muscle" is used in anatomical and medical contexts to describe muscles responsible for the specific movement of abduction. It is often followed by the name of the specific body part (e.g., hip abductor, thumb abductor).
Examples
- The abductor muscle of the thumb is crucial for grasping objects.
- Strengthening the hip abductor muscles can improve stability while walking.
- During the examination, the doctor tested the function of the shoulder abductor muscle.
Advanced Usage
- Clinical Context: In medical reports, the term is used to specify muscles involved in injury or weakness. (e.g., "The patient exhibits weakness in the left hip abductor muscle group.")
- Comparative Anatomy: The term is used to describe homologous muscles across different species based on their function.
Variants and Related Words
- Abductor (noun): A shorter, common form meaning the same as "abductor muscle." (e.g., "The abductors of the hand.")
- Abduction (noun): The movement produced by an abductor muscle.
- Abduct (verb): The action performed by an abductor muscle.
Synonyms
- Abductor (as a standalone noun)
Antonyms
- Adductor muscle: A muscle that draws a body part toward the median line.
Noun
- a muscle that draws a body part away from the median line