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Encyclopedia > Flexor carpi radialis muscle
Flexor carpi radialis muscle
Front of the left forearm. Superficial muscles. (Flexor carpi radialis and its tendon visible in blue.)
Front of right upper extremity. (Flex. carp. rad. labeled at upper left.)
Latin musculus flexor carpi radialis
Gray's subject #125 446
Origin: medial epicondyle of humerus (common flexor tendon)
Insertion: Bases of second and third metacarpal bones
Artery: ulnar artery
Nerve: Median nerve
Action: Flexion and abduction at wrist
Antagonist: Extensor carpi radialis brevis muscle, Extensor carpi radialis longus muscle
Dorlands/Elsevier m_22/12549030

In anatomy, flexor carpi radialis is a muscle of the human forearm that acts to flex and abduct the hand. Image File history File links Question_book-3. ... Image File history File links Gray1231. ... For other uses, see Latin (disambiguation). ... A typical adult human skeleton consists of the following 206 bones depending on age, though this number does vary owing to a variety of anatomical variations; for example, a small portion of the human population have an extra rib, or an extra lumbar vertebra. ... The medial epicondyle of the humerus, larger and more prominent than the lateral epicondyle, is directed a little backward. ... The common flexor tendon is a tendon shared by a number of superficial flexor muscles in the forearm. ... A typical adult human skeleton consists of the following 206 bones depending on age, though this number does vary owing to a variety of anatomical variations; for example, a small portion of the human population have an extra rib, or an extra lumbar vertebra. ... The third metacarpal bone (metacarpal bone of the middle finger) is a little smaller than the second. ... Section of an artery For other uses, see Artery (disambiguation). ... The ulnar artery is the main blood vessel, with oxygenated blood, of the medial aspect of the forearm. ... List of human nerves External links List of nerves This is an incomplete list, which may never be able to satisfy certain standards for completeness. ... The median nerve is a nerve that runs down the arm and forearm. ... Look up kinesiology in Wiktionary, the free dictionary. ... In anatomy, Flexion is movement whereby bones or other objects are brought closer together. ... Abduction, in functional anatomy, is a movement which draws a limb away from the median plane of the body. ... In human anatomy, the wrist is the flexible and narrower connection between the forearm and the palm. ... An antagonist is a kind of muscle that acts in opposition to the movement generated by the agonist and is responsible for returning a limb to its initial position. ... The extensor carpi radialis brevis is specific human muscle. ... Extensor carpi radialis longus is one of the five main muscles that control movement at the wrist. ... Elseviers logo. ... Human heart and lungs, from an older edition of Grays Anatomy. ... For other uses of Muscles, see Muscles (disambiguation). ... // The Human Forearm The forearm is the structure on the upper limb, between the elbow and the wrist. ... Abduction, in functional anatomy, is a movement which draws a limb away from the median plane of the body. ... For other uses, see Hand (disambiguation). ...

Contents

Origin and insertion

This muscle starts at the medial epicondyle of the humerus (as does flexor carpi ulnaris muscle) and attaches to the anterior side of the base of the 2nd and 3rd metacarpals. The humerus is a long bone in the arm or fore-legs (animals) that runs from the shoulder to the elbow. ... In anatomy, flexor carpi ulnaris muscle is a muscle of the human forearm that acts to flex and adduct the hand. ...


It runs just laterally of flexor digitorum superficialis, and the tendon of flexor carpi radialis can be seen on the anterior of the distal forearm. Flexor digitorum superficialis is an extrinsic flexor muscle of the fingers. ...


On a person's distal forearm, right before the wrist, they will see either two or three tendons. Flexor carpi radialis is the most lateral (closest to the thumb) of these. (The most medial one is flexor carpi ulnaris, and the middle one, if it exists is palmaris longus.) In anatomy, flexor carpi ulnaris muscle is a muscle of the human forearm that acts to flex and adduct the hand. ... OriginMedial epicondyle of humerus InsertionDistal half of the flexor retinaculum and palmar aponeurosis Innervation Median nerve(C7 and C8) Action Flexes hand(at wrist)and tightens palmar aponeurosis. ...


Nerve and artery

As are most of the flexors of the hand, FCR is innervated by the median nerve. It gets its blood from the ulnar artery. The median nerve is a nerve that runs down the arm and forearm. ... The ulnar artery is the main blood vessel, with oxygenated blood, of the medial aspect of the forearm. ...


Exercises

The muscle, like all flexors of the forearm, can be strengthened by exercises that resist its flexion. A wrist roller can be used and wrist curls with dumbbells can also be performed. Strength training is the use of resistance to muscular contraction to build the strength, endurance and size of skeletal muscles. ... The wrist curl is a weight training exercise for developing just the muscles of the forearm. ... A pair of spinlock dumbbells with 2 kg plates. ...


See also

The flexor retinaculum (transverse carpal ligament, or anterior annular ligament) is a strong, fibrous band, which arches over the carpus, converting the deep groove on the front of the carpal bones into a tunnel, the carpal tunnel, through which the Flexor tendons of the digits and the median nerve pass. ...

Additional images

External links

The lumbrical muscles are intrinsic muscles in the fingers that allow flexion at the metacarpophalangeal joints, while maintaining extension at the interphalangeal joints. ... Interossei refer to muscles between the bones. ... The dorsal interossei of the hand are muscles that occupy the space between the metacarpals. ... The Palmar interossei muscles is a muscle of the human body. ...

  Results from FactBites:
 
Flexor carpi radialis muscle - Wikipedia, the free encyclopedia (208 words)
In anatomy, flexor carpi radialis is a muscle of the human forearm that acts to flex and abduct the hand.
This muscle starts at the medial epicondyle of the humerus (as does flexor carpi ulnaris muscle) and attaches to the anterior side of the base of the 2nd metacarpal.
Flexor carpi radialis is the most lateral (closest to the thumb) of these.
IV. Myology. 1F. The Muscles and Fasciæ of the Hand. Gray, Henry. 1918. Anatomy of the Human Body. (2590 words)
It is attached, medially, to the pisiform and the hamulus of the hamate bone; laterally, to the tuberosity of the navicular, and to the medial part of the volar surface and the ridge of the greater multangular.
Flexor carpi radialis, which lies in the groove on the greater multangular between the attachments of the ligament to the bone.
The Adductor pollicis is the opponent of this muscle, and approximates the thumb to the palm.
  More results at FactBites »

 
 

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