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What is the difference between a flexor and an extensor?


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Answered 2013-11-14 01:58:28

A flexor muscle is when the arm bends and the extensor muscle is when the arm is relaxed.

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What is the difference between flexor and extensor?

Extensor muscles help to straighten or extend the joint while flexors do the opposite, bending it.


What extensor-flexor musculature is the exception to the flexor-extensor generalization?

flexor


What is the difference between flexor and extensor muscles?

Flexor- a muscle that is connected at either or both ends to a bone and so move parts of the skeleton; a muscle that is characterized by transverse stripesExtensor- opens a joint and are the opposite to flexor muscles, which closes it.


Is the shin a flexor or extensor?

Extensor


Are the triceps a flexor or extensor muscle?

extensor


Is a quadricep tendon a flexor or extensor tendon?

extensor


How do the flexor and extensor muscles work together in the body?

The flexor contracts whilst the extensor relaxes causing movement


Are the biceps a flexor or extensor muscle?

The biceps is a flexor muscle


What does the 'extensor muscle' do?

Extensor muscles open a joint and are the opposite to flexor muscles, which close it. I imagine triceps are extensor, while biceps are flexor.


The muscles on your lower arm are the?

There's more than one: flexor carpi radialis palmaris longus flexor carpi ulnaris pronator teres flexor digitorum superficialis (sublimis) flexor digitorum profundus flexor pollicis longus pronator quadratus brachioradialis extensor carpi radialis longus extensor carpi radialis brevis extensor digitorum (communis) extensor digiti minimi (proprius) extensor carpi ulnaris abductor pollicis longus extensor pollicis brevis extensor pollicis longus extensor indicis (proprius) supinator anconeus


Is the trapezius a flexor or an extensor?

Extensor. It will extend the neck and adduct the scapula.


Do skeletal muscles work in pairs?

All skeletal muscles will have a flexor and an extensor. The flexor bends the joint. The extensor straightens it out again.


What are all tendons in the human hand?

extensor digitorum, extensor indicis, extensor digiti minimi, flexor digitorum superficialis, and the flexor digitorum profundus. There are also extrinsic muscles that work only in the thumb; these include the flexor pollicis longus, extensor pollicis longus, extensor pollicis brevis, and adbuctor pollicis longus


Is tricepes flexor?

Triceps muscle is not a flexor. Triceps is an extensor of elbow joint. Biceps muscle is flexor.


What muscle is associated with the hand?

There are many muscles in the hand. Here are a few: extensor carpi radialis brevis extensor carpi radialis longus extensor carpi ulnaris extensor digitorum communis extensor indicis proprius extensor digiti minimi abductor pollicis longus extensor pollicis brevis extensor pollicis longus flexor carpi ulnaris flexor digitorum profundus flexor digitorum superficialis flexor carpi radialis flexor carpi ulnaris palmaris longus flexor pollicis longus abductor pollicis brevis flexor pollicis brevis opponens pollicis adductor pollicis palmaris brevis abductor digiti minimi flexor digiti minimi opponens digiti minimi Then each finger has a set of lumbrical muscles and 3 volar and 4 dorsal muscles


What are the names of the muscles on the forearm?

PosteriorAbductor pollicis longusAnconeus (cubitalis rolani)BrachioradialisExtensor carpi radialis brevisExtensor carpi radialis longusExtensor carpi ulnarisExtensor digiti minimiExtensor digitorumExtensor pollicis brevisExtensor retinaculumFlexor carpi ulnarisAnteriorBiceps brachiiBrachialisBrachioradialisFlexor carpi radialisFlexor carpi ulnarisFlexor digitorum superficialisFlexor retinaculumMedian nervePalmar arch arteriesPalmaris longusPronator teresThose are all of the ones that I know


Do most skeletal muscles work in antagonistic pairs?

Yes. Skeletal muscles will have a flexor and an extensor. The flexor bends the joint. The extensor straightens it out again.


An extensor-flexor muscle not located in the anterior or posterior?

The muscles of the legs do not follow the generalization that extensor muscles are on the posterior and flexor muscles are on the anterior.


Which muscle acts as both a knee extensor and hip flexor?

The rectus femoris muscle in the hip acts as both a knee extensor and hip flexor.


Alternate name of lateral digital extensor?

What you are talking about is flexor muscle and not extensor aren't you?


Is the posterior tibial tendon an extensor tendon or a flexor tendon?

It's a Flexor Tendon.


What muscles are involved in radial and ulnar deviation?

flexor carpi radialis, flexor carpi ulnaris, extensor carpi radialis longus, extensor carpi ulnaris


What do flexor and extensor muscles have in common?

Flexor and extensor muscles act on the same bone. Flexors contract to bend a joint, and extensors contract to straighten the joint.


Name 2 muscles on your arm?

I'll go you one further: Brachium - Upper part of arm * biceps brachii * brachialis * coracobrachialis * triceps brachii * anconeous * brachioradialis Antebrachium - Forearm * supinator * pronator teres * pronator quadratus * extensor carpi radialis longus * extensor carpi radialis brevis * extensor digitorum (communis) * extensor digiti minimi * extensor carpi ulnaris * extensor indicis * extensor pollicis longus * extensor pollicis brevis * flexor carpi radialis * flexor carpi ulnaris * flexor digitorum superficialis * flexor digitorum profundus * flexor pollicis longus * flexor pollicis brevis * flexor digiti minimi longus * flexor digiti minimi brevis * palmaris longus * abductor pollicis longus * abductor pollicis brevis * abductor digiti minimi * adductor pollicis * opponens pollicis * opponens digiti minimi * dorsal interossei * palmar interossei * lumbricals


What is the name of the antagonist to extensor hallucis longus?

flexor hallucis longus, flexor hallucis brevis