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Topic: Brachioradialis


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  Brachioradialis   (Site not responding. Last check: 2007-10-12)
The brachioradialis is a stronger elbow flexor when the radioulnar joint (forearm) is in a midposition between supination and pronation.
When the forearm is pronated, the brachioradialis is more active during elbow flexion since the biceps brachii is in a mechanical disadvantage.
When the forearm is pronated, the brachioradialis tends to supinate as it flexes.
www.exrx.net /Muscles/Brachioradialis.html   (66 words)

  
 EXPOSURE OF THE ULS NERVES   (Site not responding. Last check: 2007-10-12)
Reflection of the brachioradialis and the extensor radialis longus muscles allows the exposure of the radial nerve as it crosses the elbow and maintains its submuscular descent into the forearm.
Lateral reflection of the brachioradialis and the extensor radialis longus muscle allows the exposure of the radial nerve as it crosses the elbow and maintains its submuscular descent into the forearm.
brachioradialis; 13- supinator m.; 14- superficial branch of radial n.; 15- deep branch of radial n.; 16- radial n.; 17- brachial m.; 18- m.
e-neurosurgery.org /exposureupperextremitiesnerves.htm   (5355 words)

  
 Brachioradialis - Wikipedia, the free encyclopedia
Brachioradialis is a muscle of the forearm that acts to flex the forearm at the elbow.
It is attached to the distal radius and the lateral supracondylar ridge of the humerus.
The brachioradialis flexes the forearm at the elbow.
en.wikipedia.org /wiki/Brachioradialis   (391 words)

  
 Letters to the Editor
Brachioradialis reflex is one among the other deep tendon reflexes which are clinically muscle stretch reflexes.
This is especially true of the brachioradialis reflex which is often not elicited even by tapping at the lower one-third of the lateral surface of the forearm or at its tendon of origin above the lateral epicondyle of the humerus in practical clinical examination of children.
Additionally, the authors have found that this contraction by direct tapping is seen most prominently in the brachioradialis muscle and also in almost all children (as compared to adults).
www.indianpediatrics.net /dec-99/99-dec-18.htm   (638 words)

  
 The Forearm: Anatomy of Muscle Compartments and Nerves -- Boles et al. 174 (1): 151 -- American Journal of Roentgenology   (Site not responding. Last check: 2007-10-12)
brachioradialis and extensor carpi radialis longus tendons of
the brachioradialis and extensor carpi radialis, pierces the
Posterior interosseous nerve is not visible as discrete structure because its numerous branches innervate dorsal muscles (similar in appearance to filum terminale of spinal cord).
www.ajronline.org /cgi/content/full/174/1/151   (2653 words)

  
 Hammer Curls
The brachioradialis is a semisupinator and semipronator in that it performs the first half of both movements but does not complete either.
Kaz was and a trim 325 pounds, and he performed lifts of 661 pounds on the bench press with a relatively close grip, 885 pounds on the dead-lift and 920 pounds on the squat.
The brachioradialis has a long tendon that goes from the area where the bulk of the muscle stops all the way to the wrist.
www.illpumpyouup.com /articles/hammer-curls.htm   (1228 words)

  
 Chapter 10: THE FOREARM
The brachioradialis can be seen and felt on the lateral side of the elbow and forearm when these are flexed.
The radial nerve enters the forearm between the brachioradialis and brachialis and, at or inferior to the level of the lateral epicondyle, divides into superficial and deep branches.
The brachioradialis and extensor carpi radialis longus (and often brevis) are supplied by the radial nerve.
www.dartmouth.edu /~humananatomy/part_2/chapter_10.html   (2499 words)

  
 Baseball Almanac - eBook : Coaching Adult Pitchers Chapter 11
Brachioradialis tendons attach to lateral surfaces of radius' distal ends.
Brachioradialis muscles attach to lateral surfaces of radius' styloid processes and to humerus' lateral supracondylar ridges.
When brachioradialis muscles contract, lateral surfaces of radius' styloid processes and humerus' lateral supracondylar ridges move closer together.
www.baseball-almanac.com /chapters/cap-ch11.shtml   (1144 words)

  
 ICP monitors
A branch is given off to the brachioradialis (described as C5-6; mainly C6) and to extensor carpi radialis longus (C6-7) about 2-3 cm proximal to the elbow.
• The radial nerve enters anterior compartment of the arm lying deeply between the brachialis medially and the brachioradialis and extensor carpi radialis longis (ECRL) laterally.
It winds around the lower end of the radius deep to the tendon of brachioradialis, crosses abductor pollicis longus, extensor pollicis brevis and extensor pollicis longus (the anatomical snuff box) to reach the back of the hand.
www.ucsf.edu /nreview/09.2-PeriphNerve-Upper/RadialNerve.html   (1500 words)

  
 Barbell Curl   (Site not responding. Last check: 2007-10-12)
  The brachialis acts to flex the ulna and the brachioradialis acts to flex the radius.
  The brachioradialis is a stronger elbow flexor when the radioulnar joint (forearm) is in neutral position between supination and pronation.
  The brachioradialis originates from the lower part of the humerus (upper arm bone) and the brachialis originates from about the middle of the humerus.
www.lfnonline.com /files/BBCURL.htm   (748 words)

  
 Weightlifting muscles-III
Forearm is the region between the elbow and the wrist.
Muscles of forearm consist of muscles like- brachioradialis, flexor carpi radialis, flexor carpi ulnaris, palmaris longus, extensor carpi radialis longus, extensor carpi ulnaris, flexor digitorum profundus, flexor digitorum superficialis, extensor digitorum, extensor indicis, and extensor pollicis longus.
Brachioradialis is a superficial muscle in forearm nearer elbow and it helps in flexing the elbow.
www.suite101.com /article.cfm/our_beautiful_bodies/101934   (429 words)

  
 Year Book: The Distally-Based Brachioradialis Muscle Flap - Wheeless' Textbook of Orthopaedics
The use of the brachioradialis muscle for soft tissue cover of the hand and distal forearm was studied.
Technique.--The brachioradialis muscle arises from the upper two thirds of the supracondylar ridge of the humerus and the lateral intermuscular septum, and inserts through the flat tendon into the lateral aspect of the distal radius (Fig 4-4).
With a lazy S incision, the vascular pedicle is exposed and the radial artery, recurrent radial artery, and the brachioradialis muscle are divided proximally and raised as a unit.
www.wheelessonline.com /ortho/year_book_the_distally_based_brachioradialis_muscle_flap   (274 words)

  
 eMedicine - Radial Nerve Entrapment : Article by Mark Stern, MD   (Site not responding. Last check: 2007-10-12)
It follows the spiral groove of the humerus, piercing the lateral intermuscular septum (10 cm proximal to the lateral epicondyle) from posterior to anterior, and runs between the brachialis and brachioradialis to lie anterior to the lateral condyle of the humerus.
The superficial fascia is incised, and the lateral antebrachial cutaneous nerve is isolated and protected as it emerges between the biceps and brachialis.
Proximally, watch for the branches to the brachioradialis and the extensor carpi radialis longus and brevis as well as the superficial branch of the radial nerve.
www.emedicine.com /orthoped/topic549.htm   (4080 words)

  
 An Unmatched Analysis of The Elbow Joint
The brachioradialis peaks at approximately 90 degrees of elbow flexion (49, 76, 48, 55).
As you no doubt may have predicted, the brachioradialis was most active during full pronation, and of course the brachialis was also extremely active.
Both the brachioradialis as well as the pronator teres are not normally recruited unless they face resistance.
www.abcbodybuilding.com /musclesofelbowpart2.php   (11888 words)

  
 brachioradialis reflex - General Practice Notebook   (Site not responding. Last check: 2007-10-12)
The supinator reflex is testing the reflex motor arc associated with the brachioradialis muscle.
This normally causes contraction of the brachioradialis and hence flexion of the elbow.
An inverted brachioradialis reflex is associated with an absent biceps jerk and an exaggerated triceps jerk.
www.gpnotebook.co.uk /cache/-1483079657.htm   (181 words)

  
 Elbow Motions
Brachialis: anterior shaft of distal 2/3 of humerus
Brachioradialis: Proximal to the styloid process of the radius
Patient is sitting with slight shoulder flexion and the elbow flexed past 90°, forearm is supinated.
www.lhup.edu /yingram/jennifer/webpage/elbow_motions.htm   (283 words)

  
 brachioradialis muscle (anatomy) - General Practice Notebook   (Site not responding. Last check: 2007-10-12)
Brachioradialis is one of the muscles of the forearm.
It passes distally over the elbow joint to insert into the proximal part of the styloid process of the ulna.
Brachioradialis is innervated by the radial nerve (C5-7).
www.gpnotebook.co.uk /cache/-858783667.htm   (129 words)

  
 Cervical Spondylitic Myelopathy: Useful Clinical Signs
The reflex is seen during testing of the brachioradialis reflex.
As the brachioradialis tendon is struck with the reflex hammer at the distal end of the radius, a diminished response is noted in the brachioradialis along with a reflex contraction of the spastic finger flexors, hence, the term "inverted radial reflex."
The "finger escape sign" is noted in the patient who has deficient adduction, extension, or both in the ulnar two or three digits of the affected hand.
www.chiroweb.com /archives/11/03/01.html   (497 words)

  
 [No title]
Identify the brachioradialis muscle and study its attachments.
Next, retract the brachioradialis muscle laterally and identify the superficial branch of the radial nerve [probe; forceps hold the
Trace the superficial branch of the radial nerve proximally to identify its origin from the radial nerve.
www.med.uc.edu /haonline/uppext/labs/lab7/lab7_5.html   (57 words)

  
 The Precise Neurological Exam   (Site not responding. Last check: 2007-10-12)
The biceps reflex is elicited by placing your thumb on the biceps tendon and striking your thumb with the reflex hammer and observing the arm movement.
The brachioradialis reflex is observed by striking the brachioradialis tendon directly with the hammer when the patient's arm is resting.
The biceps and brachioradialis reflexes are mediated by the C5 and C6 nerve roots.
endeavor.med.nyu.edu /neurosurgery/reflexes.html   (761 words)

  
 eMedicine - Hand, Nerve Compression Syndromes: Upper Extremity : Article by Bradon J Wilhelmi, MD   (Site not responding. Last check: 2007-10-12)
The superficial radial nerve continues to travel underneath the brachioradialis muscle to ultimately emerge between that muscle and the extensor carpi radialis longus tendon.
Often, the brachioradialis and extensor carpi radialis brevis/extensor carpi radialis longus, which are innervated by more proximal branches, are spared.
Anatomy: The superficial radial nerve exits between the brachioradialis and the extensor carpi radialis longus tendons at the junction of the proximal two thirds to distal one third of the forearm.
www.emedicine.com /plastic/topic300.htm   (3620 words)

  
 Strength Exercise Analysis Series   (Site not responding. Last check: 2007-10-12)
The brachioradialis flexes the elbow and assists in pronating and supinating the wrist.
The brachioradialis originates on the lower two thirds of the outer condyloid ridge of the humerus and inserts on the outer surface of the lower end of the radius at the styloid process (near the wrist).
During elbow flexion the brachioradialis has a better angle of pull in a pronated, versus supinated, position.
www.afpafitness.com /articles/stregthlink.htm   (2598 words)

  
 Radial Nerve Lesion (C5-8) - Patient UK
A sensory branch passes into the forearm deep to brachioradialis and about 8cm from the radial head it emerges between the tendons of brachioradialis and extensor carpi radialis longus.
In the upper arm the triceps is supplied above the spiral groove and below the groove originate branches to brachioradialis, extensor carpi radialis longus and brevis and the posterior cutaneous nerves of the arm and forearm.
In the upper arm, with triceps and brachioradialis often spared, there may be a compression lesion but fracture is the usual cause.
www.patient.co.uk /showdoc/40001159   (1209 words)

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