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Topic: Acromion process


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In the News (Tue 29 Dec 09)

  
  II. Osteology. 6a. 2. The Scapula (Shoulder Blade). Gray, Henry. 1918. Anatomy of the Human Body.
On the medial part of the root of the coracoid process is a rough impression for the attachment of the conoid ligament; and running from it obliquely forward and lateralward, on to the upper surface of the horizontal portion, is an elevated ridge for the attachment of the trapezoid ligament.
The base of the acromion is formed by an extension from the spine; the two separate nuclei of the acromion unite, and then join with the extension from the spine.
Failure of bony union between the acromion and spine sometimes occurs, the junction being effected by fibrous tissue, or by an imperfect articulation; in some cases of supposed fracture of the acromion with ligamentous union, it is probable that the detached segment was never united to the rest of the bone.
www.bartleby.com /107/50.html   (1934 words)

  
  Scapula - Wikipedia, the free encyclopedia
The coracoid process is a thick curved process attached by a broad base to the upper part of the neck of the scapula; it runs at first upward and medialward; then, becoming smaller, it changes its direction, and projects forward and lateralward.
On the medial part of the root of the coracoid process is a rough impression for the attachment of the conoid ligament; and running from it obliquely forward and lateralward, on to the upper surface of the horizontal portion, is an elevated ridge for the attachment of the trapezoid ligament.
Failure of bony union between the acromion and spine sometimes occurs, the junction being effected by fibrous tissue, or by an imperfect articulation; in some cases of supposed fracture of the acromion with ligamentous union, it is probable that the detached segment was never united to the rest of the bone.
en.wikipedia.org /wiki/Scapula   (2159 words)

  
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www.brainyencyclopedia.com /topics/process.html   (1941 words)

  
 Gray, Henry. 1918. Anatomy of the Human Body. Page 317
It is attached, by its apex, to the summit of the acromion just in front of the articular surface for the clavicle; and by its broad base to the whole length of the lateral border of the coracoid process.
This ligament, together with the coracoid process and the acromion, forms a vault for the protection of the head of the humerus.
The articular cartilage on the head of the humerus is thicker at the center than at the circumference, the reverse being the case with the articular cartilage of the glenoid cavity.
www.bartleby.com /107/pages/page317.html   (645 words)

  
 ACROMION PROCESS : Encyclopedia Entry
The acromion articulates with the clavicle to form the acromioclavicular joint.
The acromion forms the summit of the shoulder, and is a large, somewhat triangular or oblong process, flattened from behind forward, projecting at first lateralward, and then curving forward and upward, so as to overhang the glenoid cavity.
The acromion process of bats (Mammalia: Chiroptera) is particularly elongated compared to that of humans.
www.bibleocean.com /OmniDefinition/Acromion_process   (395 words)

  
 Scapula Neck   (Site not responding. Last check: 2007-11-05)
Surface of the acromion process of the scapula ; and the "subcoracoid bursa " between the joint capsule and the coracoid process of the scapula.
The tendon of the muscle is separated from the neck of the scapula by a large bursa which communicates with the cavity of the shoulder joint through an aperture in the therapy capsule.
Ostectomy of the scapula partial for snapping scapula syndrome Tenotomy of Chrisman Snook procedure Internal fixation of distal tibiofibular joint surface of the acromion process of the scapula ; and the "subcoracoid bursa " between the joint capsule and the coracoid process of the scapula.
www.panfriedchicken.com /scapula-bursa.htm   (238 words)

  
 Palaeos Vertebrates: Glossary A
Acrocoracoid process: in neornithine birds, the distinctive hook-shaped process at the proximal end of the coracoid that forms a part of the triosseal canal.
Acromion (or Acromial) (Process): the outer end of the spine of the scapula that forms the outer angle of the shoulder, and articulates with the clavicle.
The ascending process is normally fused to the tibia.
www.palaeos.com /Vertebrates/Lists/Glossary/Glossary.html   (3857 words)

  
 MVS 330 Project Title
The segment lies between the acromion process and the lateral epicondyle of the elbow.
The upper arm segment angle was calculated as the angular difference between a vertical line passing through the acromion process (vertical axis) and the upper arm segment.
The shoulder angle was calculated as the angle displaced between the lateral epicondyle-acromion process segment and the trunk segment.
www.umich.edu /~mvs330/w98/ballers/results2.html   (549 words)

  
 Acromion process - Wikipedia, the free encyclopedia
The acromion process, or simply the acromion, is an anatomical feature on the scapula.
The acromion articulates with the clavicle to form the acromioclavicular joint.
The acromion process of bats (Mammalia: Chiroptera) is particularly elongated compared to that of humans.
en.wikipedia.org /wiki/Acromion_process   (78 words)

  
 Spartanburg SC | GoUpstate.com | Spartanburg Herald-Journal   (Site not responding. Last check: 2007-11-05)
The superior border is the shortest and thinnest; it is concave, and extends from the medial angle to the base of the coracoid process.
The vertebral border (or "medial border") is the longest of the three, and extends from the medial to the inferior angle.
The head, processes, and the thickened parts of the bone, contain cancellous tissue; the rest consists of a thin layer of compact tissue.
www.goupstate.com /apps/pbcs.dll/section?category=NEWS&template=wiki&text=scapula   (935 words)

  
 PART III
The acromioclavicular joint itself is a true diarthrosis; the articular surfaces of the acromion process and the outer end of the clavicle, which are separated by a joint cavity, are surrounded by a capsule which is reinforced by ligaments.
In unreduced dislocations of the acromioclavicular joint, the deformity was maintained by three factors, (1) gravity, (2) the pull of the trapezius on the distal end of the clavicle, and (3) the absence of counterpull by the aponeurosis of the anterior portion of the deltoid.
elevates the acromion process until it is alined with the distal end of the clavicle, by fixation and elevation of the arm at the side of the chest (fig.
history.amedd.army.mil /booksdocs/wwii/orthoeuropn/chapter17.htm   (9266 words)

  
 The Scapula - Wikimd   (Site not responding. Last check: 2007-11-05)
The Acromion—The acromion forms the summit of the shoulder, and is a large, somewhat triangular or oblong process, flattened from behind forward, projecting at first lateralward, and then curving forward and upward, so as to overhang the glenoid cavity.
Borders—Of the three borders of the scapula, the superior is the shortest and thinnest; it is concave, and extends from the medial angle to the base of the coracoid process.
[[The Coracoid Process (processus coracoideus)]]—The coracoid process is a thick curved process attached by a broad base to the upper part of the neck of the scapula; it runs at first upward and medialward; then, becoming smaller, it changes its direction, and projects forward and lateralward.
www.wikimd.org /index.php?title=The_Scapula   (1791 words)

  
 Shoulder Impingement | massagetoday.com
Shoulder impingement involves compression of soft tissues between the head of the humerus and the underside of the acromion process or coracoacromial ligament.
Primary impingement is predominantly caused by the architecture of the subacromial region.
The hooked acromion is associated with a greater incidence of impingement syndrome.
www.massagetoday.com /print_friendly.php?pr_file_name=http%3A%2F%2Fwww.acupuncturetoday.com%2Fmpacms%2Fmt%2Farticle.php%3Fid%3D13403%26MERCURYSID%3Df09c4bd30be594b246d3a04058283d0e&MERCURYSID=f09c4bd30be594b246d3a04058283d0e   (739 words)

  
 external.htm   (Site not responding. Last check: 2007-11-05)
A caudal projecting process from the spine is the metacromion process, and the ventral continuation of the spine is the acromion process.
Opposite the acromion process, on the medial surface of the scapula, is the hook-shaped coracoid process.
Between the acromion and coracoid processes is the glenoid fossa for articulation with the head of the humerus.
www.racerocks.com /biology/syllabus/anatomy/external/external.htm   (1835 words)

  
 The Physician and Sportsmedicine: Subacromial Space Injection
Grasp the shoulder with the thumb on the posterior border of the acromion and the index finger on the coracoid process as shown in figure 1.
Insert the needle parallel to the undersurface of the acromion and feel for the resistance changes as it passes through the different tissue layers.
However, if the acromion or head of the humerus is encountered during the joint entry, back the needle off and advance slowly with the redirected needle.
www.physsportsmed.com /issues/1999/04_99/roberts.htm   (1014 words)

  
 Shoulder   (Site not responding. Last check: 2007-11-05)
This spine continues laterally and projects in the coracoid process and the acromion (which articulates with the medial end of the clavicle).
The coracoid process of the scapula is a short projection of bone from the neck of the scapula.
The acromion is the lateral projection from the spine of the scapula.
www.american.edu /adonahue/k7shoulder.htm   (574 words)

  
 Analyzing the Autopsy Photograph   (Site not responding. Last check: 2007-11-05)
With just a little research, most theorists find that the acromion process is commonly associated with the level of the first or second thoracic vertebrae (T1-2).
This rigidity is caused by loss of all the ATP, which is required to caused separation of the crossbridges from the actin filaments during the relaxation process.
It is this process that, on occasion, causes a corpse to 'move'.
www.zimmermanjfk.com /frontmenu_000006.htm   (1095 words)

  
 Old Anatomy Course Objectives for "Living Anatomy" - Medicine I, University of Sydney
The head of the humerus may be felt deeply in the upper part of the axilla, especially in thin subjects with the arm slightly abducted, the forearm suported and the muscles relaxed.
The greater tubercle is the most lateral bony point of the shoulder region, and prevents a straight edge from touching simultaneously the tip of the acromion and the lateral epicondyle of the humerus.
It is the most prominent bony part of this region, extending beyond the acromion process and covered by the deltoid.
www.anatomy.usyd.edu.au /teaching/courses/old_objectives/living_anatomy.html   (2054 words)

  
 An Inventory of the Human Upper Limb Remains   (Site not responding. Last check: 2007-11-05)
The spine is only present laterally at the base of the acromion process, and the acromion does not extend laterally of the glenoid fossa.
The acromion process is broken off at the lateral extent of the glenoid fossa.
Damaged proximal epiphysis with the dorsal olecranon process, the distal half of the trochlear notch, the medial coronoid process and the middle of the radial facet.
www.artsci.wustl.edu /~anthro/blurb/dv-inventory.html   (6367 words)

  
 shoulder module: ligaments2   (Site not responding. Last check: 2007-11-05)
The acromioclavicular joint, a synovial joint, is located at the articulation of the acromion and the lateral end of the clavicle.
In contrast to the sternoclavicular joint, the acromioclavicular joint is relatively weak and may be dislocated ("shoulder separation" in lay terms [Acromioclavicular joint separation]).
It spans from the conoid tubercle of the clavicle to the coracoid process.
www.dartmouth.edu /~anatomy/shoulder/ligaments/ligaments2.html   (200 words)

  
 Chapter 21 On the Scapuli
In this figure we have illustrated the outer or posterior surface of a dog’s scapula so that the difference in the acromion or upper process of the scapula between the human scapula and that of a dog or sheep may readily be considered.
This process (which is the spine of the scapula) gradually becomes larger and larger, and finally (H to K in fig.
For he writes that besides this upper process of the scapula and the clavicle there is a third cartilaginous bone which is placed in the joint of the clavicle with that process of the scapula, and from it originate membranes and ligaments by means of which this joint is more strongly held together.
vesalius.northwestern.edu /chapters/FA.1.21.html   (6127 words)

  
 Arm Length Measuement   (Site not responding. Last check: 2007-11-05)
Grasp the rod and hold your arm at about 45 degrees from the midline of the body The elbow must be extended fully during this measurement.
The arm length is the distance from the rod to the acromion process.
The acromion process is the bone like protuberance at the edge of the shoulder
cherry.dcwi.com /cherry/info/fit_info/arm.html   (98 words)

  
 Journal of Brachial Plexus and Peripheral Nerve Injury | Full text | Surgical correction of unsuccessful derotational ...
The clavicle and acromion process impinge upon the humeral head due to the abnormal positioning of the scapula and associated acromio-clavicular triangle (ACT), with its sides defined by the clavicular shaft and the acromion process and its base by an imaginary line connecting their medial ends.
Second, osteotomy of the acromion process at its junction with the spine of the scapula was performed.
Significant movement also follows osteotomy of the acromion process, with the body of the acromion process and the medial margin of the acromion rapidly separating, and the distal segment moving both inferiorly and posteriorly.
www.jbppni.com /content/1/1/9   (2671 words)

  
 Shoulder_Course   (Site not responding. Last check: 2007-11-05)
AC joint separation is demonstrated radiographically by increased space between the clavicle and the acromion process, usually from strain or tear of the coroclavicular ligament.
Normal distance between the outer edge of the clavicle and the medial margin of the acromion process is 1.1 to 1.3 cm.
It typically results from a fall onto the acromion, which drives the acromion inferiorly, separating it from its articulation with the distal end of the clavicle.
www.glaciermedicaled.com /Shoulder/Shoulder_Course.html   (8818 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 acromion process forward by cutting through the junction of the spine and acromion with a saw.
As you reflect the acromion process, look for a bursa between it and the supraspinatus muscle (subacromial bursa).
www.med.umich.edu /lrc/coursepages/M1/anatomy/html/limbs/shoulder.html   (1650 words)

  
 Shoulder Solutions - Shoulder impingement with bursitis and tendonitis.
This process is similar to the way that a rope frays and unravels as it travels through a rough pulley.
The mechanical impingement of the tendon on the undersurface of the acromion causes a chemical inflammation in the tendon that is felt as shoulder pain by the patient.
The lubricating sack between the rotator cuff and the acromion, known as the bursa, is a special structure that helps to reduce the amount of friction as the tendon slides back and forth.
www.shouldersolutions.com /impinge_1.php   (638 words)

  
 Anatomy Tables - Shoulder & Superficial Upper Limb
it articulates medially with the manubrium of the sternum and laterally with the acromion process of the scapula; it forms a strut that supports the upper limb; it is frequently fractured; it is the first bone to begin ossification during development
the roughened process on the lateral surface of the mid-shaft of the humerus
lateral one-third of clavicle, acromion, lower lip of the crest of the spine of the scapula
anatomy.med.umich.edu /limbs/shoulder_tables.html   (1525 words)

  
 Building Bigger Stronger: Upper Back Muscles
At the occiput, ligamentum nuchae, and the spinous process of the seventh cervical vertebra
At the acromion process and the spine of the scapula
At the spinous processes of the seventh cervical to the fifth thoracic vertebra
www.ifpa-fitness.com /IFPA-FitBits/fit-bits_archives/ifpa_fitbits_Building_Bigger_Stronger_Upper_Back.htm   (2164 words)

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