Abductor muscle
Abductor Muscle
The Abductor Muscle (pronunciation: /æbˈdʌktər ˈmʌsl̩/) is a type of muscle that moves a limb or other part away from the midline of the body, or from another part.
Etymology
The term "Abductor Muscle" is derived from the Latin word 'abducere', which means 'to lead away'. The term 'muscle' comes from the Latin 'musculus', meaning 'little mouse', possibly because of the way muscles move under the skin.
Function
Abductor muscles are primarily responsible for the abduction movement, which is the movement of a body part away from the body's midline. They play a crucial role in various physical activities and movements such as walking, running, and jumping.
Types
There are several types of abductor muscles in the human body, including:
- Abductor pollicis longus: This muscle helps in the abduction of the thumb.
- Abductor digiti minimi (hand): This muscle is responsible for the abduction of the little finger.
- Abductor hallucis: This muscle helps in the abduction of the big toe.
- Abductor digiti minimi (foot): This muscle is responsible for the abduction of the little toe.
Related Terms
- Adductor Muscle: The opposite of abductor muscles, adductor muscles pull a body part towards the body's midline.
- Abduction: The movement of a body part away from the body's midline, typically performed by abductor muscles.
- Adduction: The movement of a body part towards the body's midline, typically performed by adductor muscles.
External links
- Medical encyclopedia article on Abductor muscle
- Wikipedia's article - Abductor muscle
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