Extensor

/ɪkˈstensər/
noun

A muscle whose contraction extends or straightens a limb or other part of the body.

The extensor of the arm allows it to stretch out.
Visual representation of "extensor" - A muscle whose contraction extends or straightens a limb or other part of the body.

Often appears as...

  • extensor muscle
  • extensor tendon

Usage tips

Formal

Technical

noun

A muscle whose contraction extends or straightens a limb or other part of the body.

The extensor of the arm allows it to stretch out.
Visual representation of "extensor" - A muscle whose contraction extends or straightens a limb or other part of the body.

Often appears as...

  • extensor muscle
  • extensor tendon

Usage tips

Formal

Technical

Definition 1 of 1
Visual representation of "extensor"
LampPro Tip 1/3

Body Movements

The term 'extensor' refers to muscles related to the straightening of a body part.

Illustration for Body Movements
During physical therapy, she practiced with her extensor to regain arm movement.
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Technical Term

'Extensor' is used in medical or biological contexts, not in everyday language.

Illustration for Technical Term
The doctor explained how the extensor muscle helps with knee mobility.
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Location Specific

An 'extensor' is often specified by the body part it is associated with.

Illustration for Location Specific
The extensor carpi radialis brevis must be repaired with surgery.
Visual representation of the word "Extensor"

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Video examples

Sloths! The strange life...

They don't really have so many of the extensor muscles that are the weight-bearing muscles; instead, they rely on retractor muscles to pull themselves along. They have long, hooked claws and a high fatigue resistance,

Video examples

Sloths! The strange life...

They don't really have so many of the extensor muscles that are the weight-bearing muscles; instead, they rely on retractor muscles to pull themselves along. They have long, hooked claws and a high fatigue resistance,

Example 1 of 1

Quote examples

Henry Gray

English Scientist

Fracture of the patella may be produced by muscular action or by direct violence. When produced by muscular action, it occurs thus: a person in danger of falling forwards attempts to recover himself by throwing the body backwards, and the violent action of the quadriceps extensor upon the patella snaps the bone transversely across.
Portrait of Henry Gray

Quote examples

Henry Gray

English Scientist

Fracture of the patella may be produced by muscular action or by direct violence. When produced by muscular action, it occurs thus: a person in danger of falling forwards attempts to recover himself by throwing the body backwards, and the violent action of the quadriceps extensor upon the patella snaps the bone transversely across.
Portrait of Henry Gray
Example 1 of 1
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