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Topic: Teres minor muscle


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In the News (Tue 1 Dec 09)

  
  Teres minor muscle - Wikipedia, the free encyclopedia
The Teres minor is a narrow, elongated muscle of the rotator cuff.
The tendon of this muscle passes across, and is united with, the posterior part of the capsule of the shoulder-joint.
Sometimes a group of muscle fibres from teres minor may be fused with infraspinatus.
en.wikipedia.org /wiki/Teres_minor_muscle   (293 words)

  
 Supraspinatus muscle - Wikipedia, the free encyclopedia
The supraspinatus muscle is supplied by the suprascapular nerve (C4, C5, and C6), which arises from the superior trunk of the brachial plexus and passes laterally through the posterior triangle of the neck and through the scapular notch on the superior border of the scapula.
It is often described as being the initiator of abduction as it is the main antagonist muscle for this movement during the first 15 degrees of its arc.
The supraspinatus muscle is one of the musculotendinous support structures called the rotator cuff that surround and enclose the shoulder.
en.wikipedia.org /wiki/Supraspinatus_muscle   (558 words)

  
 [No title]   (Site not responding. Last check: 2007-10-29)
The cuff muscles are the supraspinatus muscle, the infraspinatus muscle, the teres minor muscle, and the subscapularis muscle.
The brachiocephalicus muscle is retracted medially, exposing the cranial aspect of the proximal humerus and the insertions of the supraspinatus, deltoideus and superficial and deep pectoral muscles [Fig.
The exposed insertion of the deep pectoral muscle is elevated from the humerus and retracted medially, exposing the biceps brachii muscle and the tendon in the intertubercular groove [Fig.
cal.vet.upenn.edu /saortho/chapter_21/21mast.htm   (5936 words)

  
 eMedicine - Rotator Cuff Disease : Article by André Roy, MD
The teres minor muscle arises from the upper two third of the dorsal aspect of the lateral border of the scapula and inserts onto the lower facet of the greater tuberosity and joint capsule.
In the early stages of abduction, the teres minor is active to depress and stabilize the humeral head and the muscle force of the teres minor is equal and opposite to that of the deltoid, forming a force couple.
Calcifications in the supraspinatus, infraspinatus or teres minor tendon
www.emedicine.com /pmr/topic125.htm   (13246 words)

  
 Rotator cuff : w8pedia
The rotator cuff is an anatomical term given to the group of muscles and their tendons that act to stabilize the shoulder.
These muscles arise from the scapula and connect to the head of the humerus forming a cuff at shoulder joint.
Teres minor muscle, comes from the lateral border of the scapula, and also laterally rotates the arm.
www.weightsnet.com /w8pedia/r/Rotator_cuff.html   (290 words)

  
 Lab Manual - Shoulder & Superficial Upper Limb
Reflect the muscle by cutting its origin from the spine of the scapula and lateral border of the acromion and reflect it as far laterally as possible.
Reflect the muscle from the infraspinous fossa from medial to lateral as with the supraspinatus.
Carefully clean along the lateral border of the muscle near its insertion and note the nerve to the teres minor from the axillary nerve and the accompanying branches of the posterior circumflex humeral vessels.
www.med.umich.edu /lrc/coursepages/M1/anatomy/html/limbs/shoulder.html   (1650 words)

  
 UNIVERSITY OF VERMONT
Thus, the lumbrical muscles, assisted by the interossei muscles, function as the primary extensors of the PIP and DIP joints.
The deltoid muscle is the primary abductor of the glenohumeral joint (assisted by the supraspinatus) and the teres minor muscle externally rotates the humerus and pulls it down during elevation, a necessary motion for full over head range.
Dysfunction of the rotator cuff muscles may also result in impingement of the greater tubercle against the coracoacromial ligament after 60 degrees of elevation since these muslces are also responsible for external rotation of the humerus during elevation.
www.uvm.edu /~gwu/120hw1key.html   (834 words)

  
 Muscle, teres minor definition - Medical Dictionary definitions of popular medical terms
Muscle, teres minor: A muscle that assists the lifting of the arm during outward turning (external rotation) of the arm.
The tendon of the teres minor muscle is one of four tendons that stabilize the shoulder joint and constitute the rotator cuff.
The teres minor muscle was given that name because it was round and smaller than another round muscle which naturally came to be known as the teres major muscle.
www.medterms.com /script/main/art.asp?articlekey=8203   (234 words)

  
 Muscle Media
These muscles lie adjacent to each other and originate on the scapula (shoulder blade) and insert in the humerus (the long bone in the upper arm) and comprise two of the four muscles known as the rotator cuff.
When the infraspinatus (the muscle on the shoulder blade) and teres minor (the muscle under the shoulder blade) are fully developed, the contrast between these muscles and the lats is amazingly amplified.
The teres minor and the infraspinatus are relatively weak muscles.
www.musclemedia.com /training/shoulder.asp   (2696 words)

  
 shoulder3   (Site not responding. Last check: 2007-10-29)
This muscle is an extensor of the shoulder.
The supraspinatus and infraspinatus muscles are innervated by the suprascapular nerve.
These muscles, as well as the subscapularis muscle, are important for stabilizing the shoulder joint, since this joint does not have collateral ligaments as do the other joints of the limb.
www.vetmed.wsu.edu /van308/shoulder3.htm   (125 words)

  
 SONOGRAPHIC SIGNIFICANCE OF IMAGING THE ROTATOR CUFF
The supraspinatus muscle courses anterolaterally, at an angle of approximately 45 degrees with respect to the coronal plane, to its insertion on the most superior of the three facets of the greater tuberosity (the shelf).
The teres minor muscle inserts into the inferior aspect of the posterior portion of the greater tuberosity.
Minor deviation from this orientation is manifested by a dramatic reduction in tendon echogenicity that may be mistaken for a tear.
www.coosavalleytech.edu /~lpenrose/Kim/rotatorcuff4.htm   (2359 words)

  
 Gross Anatomy: Functional Anatomy of the Elbow, Radio-Ulnar and Wrist Joints Radio-Ulnar and Wrist Joi
Muscles in the former compartment flex the elbow joint and are involved in supination of the proximal radioulnar joint.
Muscles in the latter compartment extend the elbow joint.
Muscles in the former compartment pronate the radioulnar joints, flex the wrist and also flex the digits.
www.upstate.edu /cdb/grossanat/limbs4.shtml   (1649 words)

  
 Teres Major and Teres Minor Trigger Points
The Teres major and Teres minor are two muscles that are closely related, and also comprise part of the rotator cuff muscles.
Trigger Points in the Teres minor refer pain to a very small and specific area of the back of the shoulder, near the outer edge of the shoulder blade.
Teres major Trigger Points create a feeling of sharp pain in the back of the shoulder and arm, often feeling like pain in the Deltoid muscle.
www.mypressureproducts.com /Teres_trigger_points.htm   (173 words)

  
 Upper Limb Examination
Most of the muscles that act on the shoulder girdle and upper limb joints are supplied by branches of the brachial plexus.
Identify the nerve of the brachial plexus that supplies the muscles of the posterior compartment of the arm.
The muscle attached to the whole length of the scapular spine is the:
mywebpages.comcast.net /wnor/ulexam.htm   (1651 words)

  
 Medical Massage - p. 309
As we mentioned above, the deltoid muscle is innervated by the axillary nerve.
Motor branches provide innervation of the deltoid muscle and teres minor muscle.
ANN is caused by a direct trauma of nerve, especially after anterior dislocation of shoulder or after fracture of the proximal end of the humerus, especially in area of the surgical neck.
aesculapbooks.com /309.html   (238 words)

  
 Rotator Cuff Injuries - SportsMedicineDr.com - Orthopedics and Sports Medicine
The four muscles include the supraspinatus muscle, the infraspinatus muscle, the subscapularis muscle, and the teres minor muscle.
In people under the age of 25, rotator cuff injury is usually caused by overuse or by activities that require repetitive shoulder motion, such as tennis, swimming, or baseball, and the pain generally occurs during the overhead portion of the activity.
Anything on the rotator cuff muscle that may be impinging on the undersurface of the bone can be removed at the same time.
www.sportsmedicinedr.com /rotator_cuff.htm   (917 words)

  
 Bowhunting eMagazine -
The muscle fibers of these sections act as ropes that pull the shoulder blade upward, inward, or downward depending on the angle of pull on the fibers.
The infraspinatus and teres minor are external or outward rotators of the arm and aid the drawing arm in rotating slightly outward during the draw phase.
The triceps muscles extend the elbow and shoulder and are used mainly on the bow arm to push the bow to full extension during the draw phase.
www.bowhunting.net /eMagazine/Articles/2003/DaveCole-MusclePower01.html   (1926 words)

  
 Welcome to Parrillo Performance
Use your opposing muscles to pull your self to the bottom of the squat position.
This exercise is effective for developing the teardrop muscle and the frontal thighs.
The teardrop muscle is worked the hardest in the last few degrees of the arc - so at the top of the movement, lock out and squeeze tightly.
www.parrillo.com /golf.asp   (1311 words)

  
 Minor definition - Medical Dictionary definitions of popular medical terms
Minor: A minor is someone who is not yet an adult and, in a larger sense, it is something that is less than something else.
For example, the teres minor muscle is smaller than the teres major muscle.
Minor also enters into the idea of a "locus minoris resistentiae", Latin meaning a place of less resistance.
www.medterms.com /script/main/art.asp?articlekey=8204   (166 words)

  
 2000 Anatomy Written Exam II Answers   (Site not responding. Last check: 2007-10-29)
the medial pectoral nerve arises from the medial cord and innervates the coracobrachialis  muscle.
the upper subscapular nerve innervates the subscapularis muscle, the lower subscapular nerve innervates the teres minor muscle.
the inferior gluteal nerve innervates a muscle which extends and laterally rotates the thigh at the hip, and the tibial nerve innervates muscles which flex the leg at the knee and extend the thigh at the hip.
mail.med.upenn.edu /~pennmsg/Exams/modules/1/Anatomy_2000_test2_answers.html   (3108 words)

  
 Supporting layers of the glenohumeral joint. An anatomic study - Wheeless' Textbook of Orthopaedics
Layer 1 is composed of the deltoid and pectoralis major muscle bellies with their overlying fascia and enveloping epimysium.
Posteriorly, Layer 2 is the dense posterior scapular fascia that overlies the infraspinatus and teres minor muscle bellies.
Layer 3 consists of the deep layer of the subdeltoid bursa and the underlying musculotendinous units of the rotator cuff, including subscapularis, supraspinatus, infraspinatus, and teres minor.
www.wheelessonline.com /ortho/supporting_layers_of_the_glenohumeral_joint_an_anatomic_study   (262 words)

  
 [No title]
Identify the long head of triceps brachii muscle located between teres major muscle and teres minor muscle.
The long head of the ticeps brachii muscle attaches to the infraglenoid tubercle of the scapula.
It is the only head of the muscle that traverses and functions in the movement of the shoulder joint.
www.med.uc.edu /haonline/uppext/labs/lab3/lab3_6.html   (77 words)

  
 GE Community
The infraspinatus, supraspinatus and teres minor muscles and tendons are best visualized in the oblique coronal plane, whereas the subscapularis is best seen on the axial images.
The teres minor muscle is smaller than the infraspinatus, and it is possible to miss the tendon completely while still visualizing a portion of the infraspinatus.
In patients with chronic cuff disease, hypertrophy of the teres minor may compensate for weakness and tears of the supraspinatus and infraspinatus muscles, providing important information for the referring clinician.
www.gehealthcare.com /gecommunity/mri/ortho/ortho_apps-shoulder4-2-4.html   (1183 words)

  
 [No title]   (Site not responding. Last check: 2007-10-29)
The fracture is commonly associated with injury to the suprascapular nerve, resulting in permanent atrophy of the supraspinatus and/or infraspinatus muscles.
The cranial half may fracture and displace distally owing to the biceps brachii muscle, the caudal half may fracture and displace distally owing to the teres minor muscle contraction, both may fracture and displace, resulting in a scapular neck fracture as well, or the glenoid may be comminuted.
This is accomplished by dissecting between the infraspinatus muscle and the teres major muscles.
cal.vet.upenn.edu /saortho/chapter_20/20mast.htm   (4616 words)

  
 Medical Dictionary: Teres minor muscle - WrongDiagnosis.com
Teres minor muscle: teres muscle that adducts the arm and rotates it laterally
Terms that may be interchangeable with Teres minor muscle:
A hierarchical classification of Teres minor muscle: The following list attempts to classify Teres minor muscle into categories where each line is subset of the next.
www.wrongdiagnosis.com /medical/teres_minor_muscle.htm   (161 words)

  
 I am sure that most everyone has heard someone say “ I think I hurt my rotator cuff”, or even you have said it ...   (Site not responding. Last check: 2007-10-29)
                        The last muscle involved in the rotator cuff is the teres minor.
  The teres minor muscle is closely related to the infraspinatis, in both anatomical and functional means.
  The teres minor muscle starts on the back side of the of the scapula (axillary border) and ends at the same place as the infraspinatis (greater tubercle of the humerous).
www.lfnonline.com /files/ROTATOR3.htm   (1851 words)

  
 Arm
Horner syndrome occur in neonates with Klumpke palsy when the anterior root, spinal nerve, and proximal region of the ventral ramus are affected.
This is so because these structures carry the sympathetic fibers that innervate the constrictor muscle of the iris and the muscle of Müller.
Horner syndrome does not occurs with Kumpke palsy, which occur as the result of an injury beyond the ventral ramus because the sympathetic fibers leave the brachial plexus at this level (Figure 221.1).
pediatricneuro.com /alfonso/pg221.htm   (268 words)

  
 Sonographic Evaluation of Shoulder Arthroplasty -- Sofka and Adler 180 (4): 1117 -- American Journal of Roentgenology
the biceps tendon, the subscapularis tendon, the teres minor
muscle and tendon, and the infraspinatus and supraspinatus tendons.
of muscles and tendons is altered on gray-scale sonography.
www.ajronline.org /cgi/content/full/180/4/1117   (1595 words)

  
 Practice Questions - Shoulder
A construction worker arrives at the emergency room with a tear in the "rotator cuff" of the shoulder.
Is separated from the teres major muscle by the tendon of the latissimus dorsi muscle
The inferior ligament underlies the tendon of the infraspinatus muscle
anatomy.uams.edu /anatomyhtml/shoulderq.html   (308 words)

  
 Infraspinatus Muscle Atrophy: Implications? -- Yao and Mehta 226 (1): 161 -- Radiology   (Site not responding. Last check: 2007-10-29)
to clarify the implications of infraspinatus muscle atrophy.
cuff muscle atrophy was isolated to the infraspinatus muscle.
muscle to atrophy and the lack of resilience of this muscle
intl-radiology.rsnajnls.org /cgi/content/full/226/1/161   (2101 words)

  
 The Fenix Rehab System's myofascial release technique, ideal for chronic myofascial trigger points in muscles and ...
Trigger points in the subscapularis muscles under each shoulder blade are very problematic causing progressive painful restrictions, especially when reaching up and backwards as when touching the back of your head.
The subscapularis muscle can progress to the point of causing a "frozen shoulder," where an individual must basically keep their arm at their side as if in a sling because of the pain.
This muscle is appropriately named for the subscapularis is attached to the underneath side of your shoulder blade (scapula, sub=under).
www.fenixstopspain.com /shoulder_arm_pain.html   (1890 words)

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