Information about Greater Tubercle

Latin}}} 
Official status
Official language of: Vatican City
Used for official purposes, but not spoken in everyday speech
Regulated by: Opus Fundatum Latinitas
Roman Catholic Church
Language codes
ISO 639-1: la
ISO 639-2: lat
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Elsevier, the world's largest publisher of medical and scientific literature, forms part of the Reed Elsevier group. Based in Amsterdam, the company has substantial operations in the UK, USA and elsewhere.
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The humerus is a long bone in the arm or fore-legs (animals) that runs from the shoulder to the elbow. On a skeleton, it fits between the scapula and the ulna. It consists of the following three sections:

• Upper extremity of humerus
• Body of humerus

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The lesser tubercle of the humerus, although smaller, is more prominent than the greater tubercle: it is situated in front, and is directed medialward and forward.

Above and in front it presents an impression for the insertion of the tendon of the Subscapularis.
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The supraspinatus is a relatively small muscle of the upper limb that takes its name from its origin from the supraspinous fossa superior to the spine of the scapula. It is one of the four rotator cuff muscles and also abducts the arm at the shoulder.
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The Infraspinatus muscle is a thick triangular muscle, which occupies the chief part of the infraspinatous fossa.

Origin and insertion

It attaches medially to the infraspinous fossa of the scapula and laterally to the greater tubercle of the humerus.
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The Teres minor is a narrow, elongated muscle of the rotator cuff.

Origin and insertion

It arises from the dorsal surface of the axillary border of the scapula for the upper two-thirds of its extent, and from two aponeurotic laminæ, one of which separates it from the
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The State University of New York Health Science Center at Brooklyn, better known as SUNY Downstate Medical Center, is an academic medical center and is the only one of its kind in the Borough of Brooklyn in New York City.
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The State University of New York Health Science Center at Brooklyn, better known as SUNY Downstate Medical Center, is an academic medical center and is the only one of its kind in the Borough of Brooklyn in New York City.
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The State University of New York Health Science Center at Brooklyn, better known as SUNY Downstate Medical Center, is an academic medical center and is the only one of its kind in the Borough of Brooklyn in New York City.
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University of Wisconsin–La Crosse (also known as UW–La Crosse, Wisconsin-La Crosse, or UW-L) is a public university located in La Crosse, Wisconsin, USA.
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Public domain comprises the body of knowledge and innovation (especially creative works such as writing, art, music, and inventions) in relation to which no person or other legal entity can establish or maintain proprietary interests within a particular legal jurisdiction.
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Henry Gray's Anatomy of the Human Body (or Gray's Anatomy as it has commonly been shortened) is an English-language human anatomy textbook widely regarded as a classic work on the subject.
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Bones are rigid organs that form part of the endoskeleton of vertebrates. They function to move, support, and protect the various organs of the body, produce red and white blood cells and store minerals.
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In human anatomy, the upper limb (also upper extremity) refers to what in common English is known as the arm, that is, the region of the shoulder to the fingertips. It includes the entire limb, and thus, is not synonymous with the term upper arm.
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The pectoral girdle is the set of bones which connect the upper limb to the axial skeleton on each side. It consists of the clavicle and scapula in humans and, in those species with three bones in the pectoral girdle, the coracoid. Some mammalian species (e.g.
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Collarbone and collar bone redirect here. The eye abnormality is correctly spelled coloboma.

This article uses some professional terms to describe relative positions and directions.

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conoid tubercle (or coracoid tuberosity); this, in the natural position of the bone, surmounts the coracoid process of the scapula, and gives attachment to the conoid ligament.
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From the coracoid tuberosity an oblique ridge, the trapezoid line (or trapezoid ridge, or oblique), runs forward and lateralward, and afford attachment to the trapezoid ligament.
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On the medial part of the clavicle is a broad rough surface, the costal tuberosity (impression for costoclavicular ligament), rather more than 2 cm. in length, for the attachment of the costoclavicular ligament.
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groove, which gives attachment to the Subclavius; the coracoclavicular fascia, which splits to enclose the muscle, is attached to the margins of the groove. Not infrequently this groove is subdivided longitudinally by a line which gives attachment to the intermuscular septum of the
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scapula, or shoulder blade, is the bone that connects the humerus (arm bone) with the clavicle (collar bone).

The scapula forms the posterior part of the shoulder girdle. In humans, it is a flat bone, roughly triangular in shape.
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The spine of the scapula is a prominent plate of bone, which crosses obliquely the medial four-fifths of the dorsal surface of the scapula at its upper part, and separates the supra- from the infraspinatous fossa.
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The suprascapular notch (or scapular notch) is a notch in the lateral part of the upper border of the scapula, just next to the base of the coracoid process.
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The acromion process, or simply the acromion, is an anatomical feature on the scapula.

In humans

It is a continuation of the scapular spine, and hooks over anteriorly.

The acromion articulates with the clavicle to form the acromioclavicular joint.
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glenoid cavity (or glenoid fossa of scapula), which is directed lateralward and forward and articulates with the head of the humerus; it is broader below than above and its vertical diameter is the longest.
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glenoidal labrum (glenoid ligament) is a fibrocartilaginous rim attached around the margin of the glenoid cavity.

It is triangular on section, the base being fixed to the circumference of the cavity, while the free edge is thin and sharp.
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The coracoid process is a small hook-like structure that comes off the scapula to point forward.

Attachments

It is the site of attachment for several structures:

• The pectoralis minor muscle - to 3rd to 5th ribs.

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The costal or ventral surface of the scapula presents a broad concavity, the subscapular fossa.

It provides an attachment for the subscapularis muscle.

External links

• Norman/Georgetown lesson1bonesofpostshoulder
• SUNY Labs 03:os-0103

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The supraspinatous fossa (supraspinatus fossa, supraspinous fossa) of the scapula, smaller than the infraspinatous fossa, is concave, smooth, and broader at its vertebral than at its humeral end; its medial two-thirds give origin to the Supraspinatus.
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