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Topic: Extensor carpi radialis brevis muscle


In the News (Tue 2 Dec 08)

  
  Humerus - Wikipedia, the free encyclopedia
The subacromial bursa separates the tendon of the supraspinatus muscle from the deltoid muscle.
The glenohumeral joint is stabilized by the rotator cuff muscles and the tendon of the long head of the biceps brachii muscle.
Its upper part is a prominent ridge, the crest of the greater tubercle; it serves for the insertion of the tendon of the pectoralis major muscle.
en.wikipedia.org /wiki/Humerus   (2481 words)

  
 Extensor carpi radialis longus muscle
Extensor carpi radialis longus is one of the five main muscles that control movement at the wrist.
As the name suggests, this muscle is an extensor at the wrist joint, and travels along the radial side of the arm, so will also abduct the hand at the wrist.
Being an extensor contained in the forearm, it is innervated by the radial nerve.
www.ebroadcast.com.au /lookup/encyclopedia/ex/Extensor_carpi_radialis_longus.html   (124 words)

  
 Flexor carpi radialis muscle - Wikipedia, the free encyclopedia
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.
en.wikipedia.org /wiki/Flexor_carpi_radialis_muscle   (208 words)

  
 biology - Metacarpus
The dorsal surface, broad and flat, supports the tendons of the extensor muscles; the volar surface is grooved in the middle line for the passage of the Flexor tendons, and marked on either side by an articular eminence continuous with the terminal articular surface.
The extensor carpi radialis longus muscle is inserted on the dorsal surface and the flexor carpi radialis muscle on the volar surface of the base.
On its ulnar side is a prominent tubercle for the insertion of the tendon of the extensor carpi ulnaris muscle.
www.biologydaily.com /biology/Metacarpus   (977 words)

  
 Anatomy Tables - Forearm & Wrist
four muscles, arising from the palmar surface of the shafts of metacarpals 1, 2, 4, and 5 (the 1st palmar interosseous is often fused with the adductor pollicis m.)
is motor to the flexor muscles of the forearm (except flexor carpi ulnaris and the medial 1/2 of the flexor digitorum profundus),the muscles of the thenar compartment and the lateral 2 lumbricals
muscles of the posterior arm: triceps brachii m., anconeus m.; muscles of the posterior forearm: brachioradialis, extensor carpi ulnaris m., extensor carpi radialis longus m., extensor carpi radialis brevis m., extensor digitorum m., extensor digiti minimi m., supinator m., abductor pollicis longus m., extensor pollicis longus m., extensor pollicis brevis m., extensor indicis m.
www.med.umich.edu /lrc/coursepages/M1/anatomy/html/limbs/forearm_tables.html   (3245 words)

  
 eMedicine - Tendon Transfer Principles and Mechanics : Article by Premal Sanghavi, MD   (Site not responding. Last check: 2007-09-18)
The remainder of the fascial attachments to the muscle are incised.
The PL muscle is rerouted to the EPL tendon.
The flexor carpi radialis is passed through the substance of the abductor pollicis longus and extensor pollicis brevis tendons and sutured in place.
www.emedicine.com /plastic/topic533.htm   (3940 words)

  
 Virtual Hospital: Illustrated Encyclopedia of Human Anatomic Variation: Opus I: Muscular System: Alphabetical Listing ...   (Site not responding. Last check: 2007-09-18)
Extensor carpi radialis intermedius is a rare muscle that arises independently from the epicondyle of the humerus between the two usual muscles and is inserted into the second and third metacarpals.
Extensor carpi radialis accessorius is an additional muscle sometimes seen arising from the humerus, with or below the long radial extensor, and inserting most frequently onto the metacarpal bone of the thumb.
Extensor carpi radialis longus may be joined to abductor pollicis longus or to some of the dorsal interosseous muscles.
www.vh.org /adult/provider/anatomy/AnatomicVariants/MuscularSystem/Text/E/09Extensor.html   (697 words)

  
 Lat epicond   (Site not responding. Last check: 2007-09-18)
Lateral epicondylitis and tennis elbow are the most commonly used terms to describe a condition that produces pain and tenderness at to origin of the origin of the extensor carpi radialis brevis muscle (lateral epicondyle of the humerus).
An area of calcification may be seen at the attachment of the extensor muscles to the lateral epicondyle (20-25% of cases).
The origin of the extensor carpi radialis brevis is identified and split longitudinally.
www.orthoontheweb.com /html/lat_epicond.html   (1385 words)

  
 Longus Muscle - Is your workout routine working out?   (Site not responding. Last check: 2007-09-18)
The muscle peroneus longus (also known as fibularis longus) is a superficial muscle in the human leg, and acts to evert and plantar flex the ankle.
The flexor digitorum longus muscle similarly flexes the distal phalanges of the...
A) the flexor hallucis longus muscle is medial to the flexor digitorum longus muscle...
www.muscledir.com /index.php?k=longus-muscle   (945 words)

  
 Response of human muscle spindle afferents to sinusoidal stretching with a wide range of amplitudes -- Kakuda 527 (2): ...   (Site not responding. Last check: 2007-09-18)
extensor carpi radialis, while 1 Hz sinusoidal movements for a wide range of amplitudes (0·05-10 deg, half of the peak-to-peak amplitude) were imposed at the wrist joint.
Muscle spindle afferents were tentatively classified as primary and secondary based on the response during ramp stretch and release.
The stretch sensitivity of muscle spindles may be affected by the fusimotor activity during voluntary contractions and it is necessary to address whether the high stretch sensitivity at low amplitudes is maintained or not during voluntary contractions.
jp.physoc.org /cgi/content/full/527/2/397   (4912 words)

  
 Dynamic response of human muscle spindle afferents to stretch during voluntary contraction -- Kakuda and Nagaoka 513 ...
extensor carpi radialis brevis to large amplitude ramp stretch and release at the wrist joint was recorded.
In the cat soleus muscle (50 mm), the critical amplitude is 0·2 mm at 1 Hz sinusoidal movements, corresponding to 0·4 % relative movement of the muscle length.
Muscle spindles monitor changes in local fibre length and muscle spindle feedback is greatest in the reflex regulation of nearby muscle fibres (Eng and Hoffer, 1997).
jp.physoc.org /cgi/content/full/513/2/621   (4733 words)

  
 The Nerves   (Site not responding. Last check: 2007-09-18)
The radial nerve may be injured in the axilla, in the spiral groove and in the posterior compartment of the forearm.
In this case the elbow extensors and extensors of the wrist and digits are paralysed, resulting in wristdrop.
Extensor carpi radialis will be undamaged and may be able to extend the wrist.
www.med.mun.ca /anatomyts/nerve/radnerv.htm   (451 words)

  
 Extensor carpi radialis brevis muscle
Extensor carpi radialis brevis is an extensor, and an abductor of the hand at the wrist joint.
Like all the muscles in the posterior forearm, ECR brevis is supplied by a branch of the the radial nerve.
The text of this article is licensed under the GFDL.
www.ebroadcast.com.au /lookup/encyclopedia/ex/Extensor_carpi_radialis_brevis.html   (86 words)

  
 Article Figures and Tables
E = motor branch leading to the extensor carpi radialis brevis muscle; P = posterior interosseous nerve after it has sent off a motor branch to the extensor carpi radialis brevis muscle and before its entrance into the supinator muscle; R = sensory branch of the radial nerve; S = split supinator muscle.
A = anterior interosseous nerve; fl = motor branch extending to the flexor pollicis longus muscle; fp = motor branch leading to the flexor digitorum profundus muscle; M = median nerve; pq = motor branch leading to the pronator quadratus muscle; pt = motor branch extending to the pronator teres muscle.
Arrow indicates the motor branches extending to the abductor pollicis longus and the extensor pollicis brevis muscles.
www.thejns-net.org /jns/issues/v94n5/fig_tab/n0940795_f1.html   (325 words)

  
 Muscle Physiology - Bibliography
Muscle fiber length and moment arm coordination during dorsi- and plantarflexion in the mouse hindlimb.
Physiologic consequences of surgical lengthening of extensor carpi radialis brevis muscle-tendon junction for tennis elbow.
Muscle, joint, and tendon contributions to the torque profile of frog hip joint.
muscle.ucsd.edu /more_html/bibliography.shtml   (2637 words)

  
 Muscles of the Forearm
This group of muscles arises from or in line with the lateral epicondyle of the humerus, which is known as the common extensor attachment.
The superficial flexor muscles all arise from a common tendon attached to the medial epicondyle of the humerus, known as the common flexor attachment.
The remaining nine muscles are all extensors and are all innervated by the radial nerve.
info.med.yale.edu /anatomy/notes/upper-limb6-4.html   (744 words)

  
 Tennis - Conditioning Fitness & Health 1 of 3
Telemetry EMG was used to assess the muscle activity of the anterior deltoid and the forearm extensor muscles during the forehand and backhand strokes of tennis in a selected group of test subjects.
The EMG activity of the subjects' anterior deltoid muscle and the forearm extensor muscle group was recorded with the subjects using racket grip sizes of 4 1/4, 4 1/2, 4 3/4 inches.
Electromyographic data from the prime mover muscles involved in the serve have shown that muscle action was greater for beginners, whose muscles were active for longer periods than those of advanced players.
www.lv.psu.edu /djp3/10slit/conditi1.html   (4599 words)

  
 List of muscles of the human body - Wikipedia, the free encyclopedia
There are approximately 650 skeletal muscles within the typical human.
2 The muscles of the anterolateral region of the neck
The muscles of the anterolateral region of the neck
en.wikipedia.org /wiki/List_of_muscles_of_the_human_body   (284 words)

  
 Extensor carpi radialis brevis muscle - Wikipedia, the free encyclopedia
The extensor carpi radialis brevis is specific human muscle.
It is an extensor, and an abductor of the hand at the wrist joint.
Muscles of the Head -- Neck -- Trunk -- Upper limb -- Lower limb -- LIST OF ALL MUSCLES
en.wikipedia.org /wiki/Extensor_carpi_radialis_brevis_muscle   (134 words)

  
 Deep Tissue Massage and Sports Therapy
It is generally agreed that the problem arises from tendinopathy in the tendon to the extensor carpi radialis brevis muscle insertion area.
Surgery may be indicated in 5-10% of cases and consists of excision of the pathology in extensor carpi radialis brevis.
The pathoanatomy of the tennis elbow concerns the extensors with their origin at the lateral epicondylus of the humerus.The M. extensor carpi radialis brevis has its origin at the most lateral part of the epicondylus,which is being most affected by stress in a pure wrist extension.
www.deeptissue.de /english/tennisel.htm   (2355 words)

  
 Learn more about List of muscles of the human body in the online encyclopedia.   (Site not responding. Last check: 2007-09-18)
Please feel free to use this category scheme (from an old version of Gray's Anatomy now in the public domain) to arrange the muscle headings by the parts of the body.
The muscles connecting the upper extremity to the vertebral column
The muscles connecting the upper extremity to the anterior and lateral thoracic walls
www.onlineencyclopedia.org /l/li/list_of_muscles_of_the_human_body.html   (201 words)

  
 Radial nerve
Posterior interosseus nerve: Extensor carpi radialis brevis and Supinator
Supplies Extensor carpi radialis brevis and supinator before entering arcade of Froshe
Laceration: Rare because nerve is deep to extensor muscles
www.neuro.wustl.edu /neuromuscular/nanatomy/radial.htm   (120 words)

  
 Brevis Illustration and Stock Art. 10 Brevis illustrations and clipart available to search from over 15 royalty free ...
Posterior view of the extensor pollicis brevis muscle with...
Lateral view of the extensor pollicis brevis muscle with...
Lateral view of the extensor carpi radialis brevis muscle...
www.fotosearch.com /illustration/brevis.html   (173 words)

  
 Category:Muscular system - Wikpedia   (Site not responding. Last check: 2007-09-18)
Cardiac muscle is a striated muscle that makes up the heart.
Skeletal muscle consists of voluntary muscles attached to the frame of the skeletal system enabling bodily movement.
Smooth muscle is the involuntary muscle that enables the movement of internal organs.
www.bostoncoop.net /~tpryor/wiki/index.php?title=Category:Muscular_system   (104 words)

  
 A Computational Model of Muscle Recruitment for Wrist Movements -- Fagg et al. 88 (6): 3348 -- Journal of ...
Agonist muscle activity (normalized and relative to baseline) as a function of target direction for muscles extensor carpi ulnaris (ECU) (A) and extensor carpi radialis brevis (ECRB) (B) in the midrange wrist posture.
Muscles contribute to the endpoint of movement along their vector of action, where the length of the vector is proportional
Muscle FCU was deactivated prior to application of the optimization process; its pulling direction is shown as a light, dotted line.
jn.physiology.org /cgi/content/full/88/6/3348   (6151 words)

  
 extensor carpi radialis brevis muscle (anatomy) - General Practice Notebook   (Site not responding. Last check: 2007-09-18)
Extensor carpi radialis brevis originates from the common extensor origin on the anterior aspect of the lateral epicondyle of the humerus.
The action of extensor carpi radialis brevis is to extend and radially-deviate the wrist.
It is supplied by the radial nerve via the posterior interosseous nerve, a branch of the radial nerve (C7,C8).
www.gpnotebook.com /cache/-40239088.htm   (145 words)

  
 Extensor carpi radialis brevis muscle : Extensor carpi radialis brevis   (Site not responding. Last check: 2007-09-18)
Extensor carpi radialis brevis muscle : Extensor carpi radialis brevis
terms defined : Extensor carpi radialis brevis muscle : Extensor carpi radialis brevis
All is still licensed under the GNU FDL.
www.termsdefined.net /ex/extensor-carpi-radialis-brevis.html   (357 words)

  
 3D Super Anatomy 6 (Win/Mac) - stock illustration clip art. Buy royalty free clipart images on disc.
Lateral view of the extensor carpi radialis longus muscle...
Anterior view of the extensor carpi ulnaris muscle with...
Lateral view of the extensor carpi ulnaris muscle with bony...
www.fotosearch.com /lifeart/3d-super-anatomy-6-winmac/LIF126/4   (349 words)

  
 Human Anatomy - Lab 9 Step 6   (Site not responding. Last check: 2007-09-18)
second compartment - tendons of the extensor carpi radialis longus muscle and the extensor carpi radialis brevis muscle,
fifth compartment - tendons of the extensor digiti minimi muscle, and
sixth compartment - tendon of the extensor carpi ulnaris muscle.
ect.downstate.edu /courseware/haonline/labs/l09/060104.htm   (122 words)

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