What is the function of the flexor carpi ulnaris?

Description. Flexor carpi ulnaris muscle (FCU) is the most medial flexor muscle in the superficial compartment of the forearm. It can adduct and flex the wrist at the same time; acts in tandem with flexor carpi radialis to flex the wrist and with the extensor carpi ulnaris to adduct the wrist.

How do you identify the flexor carpi ulnaris?

Which is right in this area. I’m going to show my partner the action i’d like her to do which is a combination of flexion and ulnar deviation of the wrist. So she’s going to repeat that a few times.

Why is carpi ulnaris called flexor?

Flexor carpi ulnaris originates with two heads which are linked by a tendinous arch. The heads are named according to the bones they attach to; The smaller humeral head arises from the common flexor origin on the medial epicondyle of humerus.

What’s the meaning of flexor?

Definition of flexor

: a muscle serving to bend a body part (such as a limb)

Which of the following is an action of the flexor carpi ulnaris?

Action. The flexor carpi ulnaris flexes and adducts at the wrist joint.

What are the actions of the flexor carpi ulnaris quizlet?


  • flexor carpi radialis. Action: flexes, abducts hand at wrist Origin:medial epicondyle of humerus.
  • flexor carpi ulnaris. Action: flexes, adducts hand at wrist.
  • flexor digitorum.
  • flexor pollicis longus.
  • extensor carpi radialis group.
  • extensor digitorum group.
  • extensor carpi ulnaris.

How do I memorize my forearm muscles?

Anterior Forearm (Compartment) Muscles
Starting from the index finger count – “Pass, Fail, Pass, Fail, and Fail (at last)” i.e. Pronator teres (PT), Flexor carpi radialis (FCR), Palmaris longus (PL), Flexor carpi ulnaris (FCU) and Flexor digitorum superficialis (FDS) resectively.

How is flexor carpi named?

In anatomy, flexor carpi radialis is a muscle of the human forearm that acts to flex and (radially) abduct the hand. The Latin carpus means wrist; hence flexor carpi is a flexor of the wrist.

What does Carpi mean in anatomy?

noun, plural car·pi [kahr-pahy]. Anatomy. the part of the upper extremity between the hand and the forearm; wrist. the wrist bones collectively; the group of bones between the bones of the hand and the radius.

Which muscle is also called a flexor?

Flexor muscles. The flexor muscles are the brachialis, the brachioradialis and the brachial biceps (Table 1). Their action is maximal when the elbow is flexed at 90°.

What is a synonym for flexor?

In this page you can discover 17 synonyms, antonyms, idiomatic expressions, and related words for flexor, like: extensor, flexor muscle, , supraspinatus, adductor, gastrocnemius, hallucis, longus, abdominis, dorsiflexion and femoris.

What is the antagonist of the flexor carpi ulnaris?

Flexor carpi ulnaris muscle

Flexor carpi ulnaris
Actions Flexion and adduction of wrist
Antagonist Extensor carpi radialis brevis muscle and extensor carpi radialis longus muscle
Latin Musculus flexor carpi ulnaris

What is the action of the flexor carpi radialis muscles quizlet?

Which of the following is an action of the flexor carpi radialis? flex the second through the fifth fingers, assist to flex wrist. the head of the ulna and lister’s tubercle serve as an important jumping-off points for locating which bones?

What is the common origin of the wrist flexors?

Flexor carpi radialis muscle

Origin Medial epicondyle of humerus
Insertion Bases of metacarpal bones 2-3
Action Wrist joint: Wrist flexion, wrist abduction
Innervation Median nerve (C6, C7)
Blood supply Anterior/posterior recurrent ulnar artery, radial artery

Why are my forearms so skinny?

Also, it’s possible that your skinny forearms are due to your genetics. If you’re somewhat tall or simply have less overall muscle, then your body mass will naturally be distributed over a larger surface area, which can result in your lower arms looking a little thin.

How can I remember my wrist flexors?

Starting from the index finger count – “Pass, Fail, Pass, Fail, and Fail (at last)” i.e. Pronator teres (PT), Flexor carpi radialis (FCR), Palmaris longus (PL), Flexor carpi ulnaris (FCU) and Flexor digitorum superficialis (FDS) resectively.

Which muscle is called the flexor?

Why are the flexor carpi muscles called such?

What does Carpi mean in Latin?

the wrist bones
the wrist bones collectively. [1670–80; < New Latin < Greek karpós wrist]

Which muscle is a deep flexor of the hand?

Flexor digitorum profundus muscle
Function. Flexor digitorum profundus muscle is a powerful flexor of the fingers. As it pulls the distal phalanges towards the hand, it causes flexion of the digits 2-4 at the metacarpophalangeal and interphalangeal joints.

How do you stretch the flexor carpi ulnaris?

Holding the palm of your hand, push your hand downwards and towards the little finger side to create a stretch.

What action does the flexor carpi ulnaris perform quizlet?

Function: aids the flexor carpi ulnaris and flexor carpi radialis muscles to perform a balanced flexion of the hand on the wrist. Function: flexes the hand at the wrist – involved in adduction of the hand at the wrist.

What are the 3 wrist flexors?

Flexor Carpi Radialis (FCR) Palmaris Longus (PL) Flexor Carpi Ulnaris (FCU)

What muscle is a weak wrist flexor?

Flexor Carpi Radialis is a wrist muscle which also crosses the elbow joint and so is also a weak elbow flexor.

Are big forearms genetic?

Most people believe that big guns are a result of a person’s genetic makeup. While it may be true that genes might play a role in the size of forearm muscles, they are not the be-all-end-all determinants of bigger forearm muscle growth. The right exercises can build massive forearm muscles.