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Topic: Pronator teres muscle


In the News (Fri 25 Dec 09)

  
  Pronator teres muscle - Encyclopedia, History, Geography and Biography
The pronator teres is a muscle of the human body (located mainly in the forearm) that, along with the pronator quadratus, serves to pronate the forearm (turning it so the palm faces downward).
The lateral border of the muscle forms the medial boundary of triangular hollow known as the cubital fossa, which is situated in front of the elbow joint.
The pronator teres is innervated by the median nerve.
www.arikah.com /encyclopedia/Pronator_teres   (388 words)

  
 ENTRAPMENT NEUROPATHIES OF UPPER LIMBS   (Site not responding. Last check: 2007-10-17)
The compression is caused by the tendinous origin of the deep head of the pronator teres muscle, which crosses the anterior interosseous nerve at its origin from the parent median nerve.
Reduced amplitude of the dorsal cutaneous branch of the ulnar nerve or denervation in the ulnar muscles of the forearm implies the existence of a lesion proximal to the wrist.
Denervation in the supraspinatus and infraspinatus muscles, sparing the cervical paraspinal, deltoid, and rhomboid muscles, is consistent with this diagnosis.
e-neurosurgery.org /entrapmentupperlimbs.htm   (3991 words)

  
 Median nerve
Pronator teres, flexor carpi radialis, flexor pollicis longus, flexor digitorum sublimis, lateral half of flexor digitorum profundus, and thenar muscles weak objectively.
The compression may be due to a hypertorophied muscle, or due to the lacertus fibrosus, the band travelling from the insertion tendon of biceps medially to the fascia of the forearm.
The median nerve descends in the forearm adherent to the undersurface of the flexor digitorum sublimis and lying superficial to the flexor digitorum profundus.
www.ucsf.edu /nreview/09.2-PeriphNerve-Upper/MedianNerve.html   (1293 words)

  
 Primary disorder, Pronator Teres, Pulling sensation
Its role, in conjunction with the Pronator quadratus, is to "pronate", turn the arm so that he palm is facing downwards.
Pronator Teres Syndrome In Pronator Teres Syndrome, the median nerve becomes compressed by the pronator teres muscle.
Pronator Teres Syndrome is much more common than true Carpal Tunnel Syndrome and much easier to treat.
www.einspine.com /rsi_resources/glossary_P2.html   (309 words)

  
 Baseball Almanac - eBook : Coaching Adult Pitchers Chapter 11
Pronator teres muscles attach to the lateral surfaces of radius' mid-shafts.
Pronator teres muscles attach to lateral surfaces of radius' middle one-thirds and to humeral medial epicondylar ridges.
Pronator teres muscles are superior-most of the five humeral medial epicondyle muscles.
www.baseball-almanac.com /chapters/cap-ch11.shtml   (1144 words)

  
 ANATOMY
Pronation of the forearm is carried out by two muscles: pronator quadratus and pronator teres.
The medial epicondyle is the attachment for the pronator teres muscle, as well as for a group of wrist and finger flexors.
The muscles of the forearm, and their epicondylar attachments are shown in Figure 11.
www.chionline.com /anatomy/anat2.html   (520 words)

  
 A Functional Approach to Median Nerve Entrapment: A Case Report - Health - RedOrbit
Since carpal tunnel and pronator teres syndromes are often repetitive stress conditions, patients are encouraged to continue their supportive and preventive home care exercise program, even in the absence of symptoms.
Since entrapment of the median nerve in the wrist and pronator teres muscle produces similar symptoms, it is critical to evaluate both structures, especially for patients involved with repetitive stress occupations.
Provocative testing of the pronator teres and palpation of the forearm are also beneficial in isolating the level or levels of compression.
www.redorbit.com /news/display/?id=105713   (3165 words)

  
 Pronator teres muscle   (Site not responding. Last check: 2007-10-17)
The Pronator teres muscle is a muscle of the human body, in the forearm.
The muscle passes obliquely across the forearm, and ends in a flat tendon, which is inserted into a rough impression at the middle of the lateral surface of the body of the radius.
The lateral border of the muscle forms the medial boundary of a triangular hollow situated in front of the elbow-joint and containing the brachial artery, median nerve, and tendon of the Biceps brachii.
www.alloffinance.com /w/index.php?title=Pronator_teres_muscle&action=edit   (961 words)

  
 Pronator syndrome Discussion
Pronator syndrome refers to a disturbance in function of the median nerve due to some mechanical abnormality at the level of the forearm.
Pronator syndrome is usually treated conservatively, with surgery to release pressure on the nerve an option for severe cases.
Pronator syndrome may be an explanation for persistent or recurrent symptoms following surgery for carpal tunnel syndrome, and may be part of a double crush condition.
www.eatonhand.com /dis/dis315.htm   (152 words)

  
 Median Nerve at the Elbow (Pronator Syndrome)   (Site not responding. Last check: 2007-10-17)
The pronator muscle serves to pronate, or rotate, the forearm and hand to bring the palm of the hand downward.
Pronator syndrome may arise if there is inflammation in the region where the median nerve travels through the pronator muscle.
In addition, whereas carpal tunnel syndrome is marked by tenderness at the wrist, pronator syndrome is distinguished by tenderness in the proximal forearm.
www.dochand.com /7A4d1b_index.html   (432 words)

  
 highmediannerve
In the pronator teres muscle, at approximately 5 to 8 cm distal to the medial epicondyle, an important branch, the anterior interosseous nerve (AIN), arises from the posterolateral surface of the nerve.
Pronator syndrome occurs with compression prior to branching of the median nerve.
Seyffarth H: Primary myoses in the M. Pronator Teres as a cause of lesions of the N. Medianus (the pronator syndrome).
www.simmonsortho.com /literature/highmediannerve/highmediannerve.html   (6513 words)

  
 [No title]
To expose the remaining portion of the median nerve in the forearm, cut through the tendon of palmaris longus muscle and reflect it superiorly.
This exposes the flexor digitorum superficialis muscle which is the muscle of the intermediate layer.
Cut the flexor digitorum superficialis muscle from its origin along the anterior oblique line of the radius and reflect it medially.
www.med.uc.edu /haonline/uppext/labs/lab7/lab7_7.html   (91 words)

  
 OCD - Humerus
The pronated oblique, craniocaudal view is often of value in identifying lesions that may not be apparent on nonoblique craniocaudal view radiographs.
The immediate postoperative stability of the approach using an osteotomy of the medial epicondyle and the approach using a longitudinal myotomy of the flexor carpi radialis muscle were significantly greater than that of the approach using a desmotomy of the medial collateral ligament.
A myotenotomy of the pronator teres muscle can be performed if additional exposure is required; however, this is seldom necessary and should be avoided in performance dogs.
sacs.vetmed.ufl.edu /Lewis/Lewis-Elbows/ocd-.htm   (1156 words)

  
 Muscle strain teres | muscle strain   (Site not responding. Last check: 2007-10-17)
Pronator teres is an appropriate donor muscle for restoration of wrist and thumb extension..
Muscle damage is not a function of muscle force but active muscle strain.
Perform a MRT that is likely to reproduce your client’s pain if they have a strain to the pronator teres muscle.
www.meditips.org /musclestrain/muscle-strain-teres.html   (114 words)

  
 [No title]   (Site not responding. Last check: 2007-10-17)
These muscles are capable of exerting crushing grip force, or the delicate manipulations of a heart surgeon.
This group of muscles contracts to close your fist, or to flex your fist, as in barbell wrist curls.
The final general category of forearm muscles is the forearm extensors, or the smaller bundle of muscles on the outer sides of your forearms.
www.paisig.com /BodyBuilding/MainMuscle.aspx?strBodyMuscleId=20   (389 words)

  
 Muscles of the Forearm
This group of muscles arises from or in line with the medial epicondyle of the humerus, which is known as the common flexor 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)

  
 Pronator Teres Syndrome
This syndrome (also known as pronator syndrome) is uncommon and involves entrapment (compression or pinching) of the median nerve at or about the level of the elbow.
Here the median nerve passes between the superficial and deep heads of the muscle and can become entrapped due to edema and hypertrophy (enlargement) of the pronator teres muscle.
Entrapment at the pronator teres muscle does not involve the muscle since its nervous innervation comes from a point more proximal than the muscle itself sparing the pronator teres muscle.2 Neuropathies (nerve loss) at either site will involve both sensory and motor deficits on the flexor (palm) side of the forearm.
www.talkaboutscience.com /group/sci.med.occupational/messages/9321.html   (597 words)

  
 PRONATOR NERVE SYNDROME Median Nerve at the Elbow Pronator Syndrome
Pronator teres syndrome In Pronator Teres Syndrome, the median nerve long nerve running down the arm, through the wrist and into the hand can become compressed by the pronator teres.
The pronator syndrome results from compression of the median nerve between the fibrous bands of two muscles in the elbow.
Differential diagnosis of CTS CTS vs Pronator Syndrome nerve AIN is a purely motor nerve branch from the median nerve.
paquito.homepage66.pahomecare.com /1151326215.html   (659 words)

  
 pronator teres muscle (anatomy) - General Practice Notebook   (Site not responding. Last check: 2007-10-17)
Pronator teres is an arm muscle which has two functions:
The muscle then passes obliquely across the arm to attach to the lateral surface of the radius near its point of maximum convexity.
Pronator teres forms the medial boundary of the cubital fossa and it is at this site that the muscle is palpated when it is tested by pronation against resistance.
www.gpnotebook.co.uk /cache/-234487749.htm   (207 words)

  
 Muscle Frequencies
..........The chiropracter's calculation of muscle frequencies was related to radio resonance method, and then divided down to audio.
My wife Deborah, who has Dystonia (a muscle movement disorder which at times is similar to having a 'charlie-horse' or severe muscular cramping for an extended amount of time) has found considerable relief.
She uses her an anatomy book to pick out the muscles she wishes to address and I create the coresponding frequencies on the computer and play them into the table.
vibroacoustic.org /FrequencyInfo/muscle_frequencies.htm   (446 words)

  
 THE INFOJUSTICE JOURNAL: Sample 37 THE COMBINED ORTHOPEDIC, NEUROLOGICAL, SPECIAL MANUAL TESTING, DISCOVERY AND ...
Examiner resists pronation as the elbow is extended.
B. entrapment of the median nerve by the pronator teres=weakness of the flexor carpi radialis, palmaris with sensory disturbance to the median nerve.
C. Pinching of anterior interosseous (branch median n.) by two heads of pronator teres muscle leads to funcitonal impairment of flexor pollicis longus, flexor ditorum profundus, and pronator quadratus.
www.infojustice.com /samples/37%20The%20Combined%20Orthopedic,%20Neurological,%20Special%20Manual%20Testing,%20Discovery%20and%20Recording%20of%20the%20Elbow%20by%20Dr.%20Scott%20David%20Neff%20CFE.html   (766 words)

  
 Proximal Median Nerve Compression ? - Neurology and Neurosurgery Forum
An ultrasound showed it is the pronator teres muscle but the doctor says it is normal even though it is much worse on the left and I am sure never used to be there.
I've suggested it could be pronator syndrome but he says you would have definite hand tingling now and an EMG would have definitely showed it, but what I have read contradicts this.
As for the pronator syndrome, technically you should have some numbness, tingling, or weakness in the hand area that is innervated by the median nerve (weakness/wasting over the base of the thumb in the palm or tingling in the fingers).
www.medhelp.org /forums/neuro/messages/32196.html   (609 words)

  
 Dr. Dade Chiropractic Service   (Site not responding. Last check: 2007-10-17)
Pronator Teres Syndrome is rare and involves compression or pinching of the median nerve at or about the level of the elbow.
Here the median nerve passes between the superficial and deep heads of the muscle and can become entrapped due to swelling and enlargement of the pronator teres muscle.
A complaint of aching discomfort and easy fatigability of the muscles of the forearm...worsened by activities which require repetitive rotation of the forearm, as in practicing tennis serves or throwing actions.
www.drdade.com /pts.html   (768 words)

  
 Anatomy Atlases: Illustrated Encyclopedia of Human Anatomic Variation: Opus I: Muscular System: Alphabetical Listing of ...
In the absence of the long head, the tendon may be found arising from the bicipital groove, one of the tubercles, the capsule of the joint, or the tendon of pectoralis major.
At the distal end of the biceps muscle, various muscular or tendinous slips have been described connecting biceps to the lower end of the humerus, the ulna, radius, antebrachial fascia, or neighboring muscles.
The two heads of the muscle may be separate for the entire length of the muscle (Maclaister); a similar case is reported by Riverius (1545); in another case the muscle was split for three-fourths of its course;
www.anatomyatlases.org /AnatomicVariants/MuscularSystem/Text/B/02Biceps.shtml   (2505 words)

  
 Neuromyofascial pain syndromes | David BenEliyahu
Many peripheral entrapments in the extremities are often due to a muscle "tunnel syndrome." Peripheral nerves often traverse through muscle or ligamentous tunnels.
For example, the median nerve passes between the two heads of the pronator teres muscle; the sciatic nerve passes under the piriformis, and the ulnar nerve passes through the heads of the flexor carpi ulnaris muscle.
This muscle tunnel syndrome represents entrapment of the ulnar nerve between the humeral and ulnar heads of the flexor carpi ulnaris muscle.
www.chiroweb.com /archives/18/14/01.html   (761 words)

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