flexor
/flexor/
Học thuậtThân thiện
Definition
Noun: * A skeletal muscle whose contraction bends a joint: A flexor is a type of muscle that, when it contracts, decreases the angle between two bones at a joint, bringing them closer together. This action is called flexion.
Examples
- The flexor muscles in your arm allow you to bend your elbow.
- After the injury, she had to do exercises to strengthen the flexors in her wrist.
- The biceps brachii is a primary flexor of the forearm.
Advanced Usage
- Flexor reflex: A protective, involuntary reflex that causes a limb to withdraw from a painful stimulus by flexing the joints.
- Touching a hot surface triggers a flexor reflex in your hand.
- Flexor tendon: The strong, fibrous cord that connects a flexor muscle to a bone, transmitting the force of contraction.
- The surgeon repaired the lacerated flexor tendon in his finger.
Variants and Related Words
- Flex (verb): To bend a joint or to contract a muscle.
- He can flex his fingers easily.
- Flexion (noun): The action of bending a joint or the state of being bent.
- The normal range of flexion for the knee is about 135 degrees.
- Flexor carpi radialis / ulnaris (noun phrase): Specific flexor muscles of the wrist.
- Flexor digitorum (noun phrase): Specific flexor muscles of the fingers or toes.
Synonyms
- Bender (less common, more technical)
- Antonym: Extensor (a muscle whose contraction straightens or extends a joint)
Noun
- a skeletal muscle whose contraction bends a joint