what is involved with the glenoid cavity
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SLAP Lesions The shoulder is a ball-and-socket type of joint and is anatomically referred to as the gleno-humeral joint, describing the two bony structures involved. The socket is the glenoid cavity, a cup-shaped piece of bone that juts out from a corner of the shoulder blade (scapula).
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- The term labrum is used in anatomy to designate a lip, edge, or brim. Plural: labra. The glenoid labrum is a ring of fibrocartilage that runs around the cavity of the scapula (wingbone) in which the head of the humerus (the bone in the upper arm) fits.The labrum deepens this cavity (the glenoid cavity) and effectively increases the surface of the shoulder joint.lural: labra. The glenoid labrum is a ring of fibrocartilage that runs around the cavity of the scapula (wingbone) in which the head of the humerus (the bone in the upper arm) fits. The labrum deepens this cavity (the glenoid cavity) and effectively increases the surface of the shoulder joint.
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Chapter 8 - Study Notes Where is the glenoid cavity held, where does it articulate and what does it form? Held in the scapular head, articulates with the humerus and forms the shoulder joint (glenohumeral joint) What are the two processes of the glenoid cavity and how are they distinguishable?
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Anatomy Your shoulder is made up of three bones: your upper arm bone (humerus), your shoulder blade (scapula), and your collarbone (clavicle). The head of your upper arm bone fits into a rounded socket in your shoulder blade. This socket is called the glenoid. A combination of muscles and tendons keeps your arm bone centered in your shoulder socket. These tissues are called the rotator cuff. They cover the head of your upper arm bone and attach it to your shoulder blade.
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- The glenoid labrum (glenoid ligament) is a fibrocartilaginous rim attached around the margin of the glenoid cavity in the shoulder blade.owever, in bony terms the 'socket' (the glenoid fossa of the scapula) is quite shallow and small, covering at most only a third of the 'ball' (the head of the humerus). The socket is deepened by the glenoidal labrum.
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- The glenohumeral joint is a ball-and socket joint that is formed between two bones, the humerus and the scapula. The humerus head, acting as the ball, fits into the end of the scapula known as the glenoid, the socket.
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- Clarification of Terms • Shoulder girdle = scapula and clavicle • Shoulder joint (glenohumeral joint) = scapula and humerus •What is the purpose (or function) of the shoulder and entire upper extremity? •The glenohumeral joint is the most mobile joint in the body.yology of the Shoulder Girdle (Muscles)…cont • Force Couple •A force couple is defined as muscle pulling in different directions to accomplish the same motion •Upward Rotation of the scapula •the upper trapezius pulls up, the lower trapezius pulls down and the serratus anterior pulls outward.
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- Muscles: Rotator Cuff. The main muscles that are used in conjunction with the glenohumeral joint are the group of muscles known as the rotator cuff. The rotator cuff is made up of four muscles, the supraspinatus, subscapularis, infraspinatus, and teres minor.All four of these muscles connect the scapula to the humerus.ne main purpose of the rotator cuff muscles is to pull the humerus into the scapula such that the two bones are fitted tightly against one another. Thus rotator cuff muscles are important for stabilizing the glenohumeral joint.
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Bones & Joints of the Shoulder The coracoid process is a thick curved structure that projects from the scapula and is the attachment point of ligaments and muscles. The scapula is also marked by a shallow, somewhat comma-shaped glenoid cavity, which articulates with the head of the humerus. The top end of the humerus consists of the head, the neck, the greater and lesser tubercles, and the shaft. The head is half-spherical in shape and projects into the glenoid cavity. The neck lies between the head and the greater and lesser tubercles.
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Anatomy of the Shoulder The joint is stabilized by a ring of fibrous cartilage surrounding the glenoid, called the labrum. Ligaments connect the bones of the shoulder, and tendons join the bones to surrounding muscles. the joint.
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The Shoulder Joint The other major ligament is the coracoacromial ligament. Unlike the others, it is not a thickening of the joint capsule. It runs between the acromion and coracoid process of the scapula, forming the coraco-acromial arch. This structure overlies the shoulder joint, preventing superior displacement of the humeral head.ig 1.0 – The articulating surfaces of the shoulder joint. The shoulder joint is formed by the articulation of the head of the humerus with the glenoid cavity (or fossa) of the scapula. This gives rise to the alternate name for the shoulder joint – the glenohumeral joint.
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The Humerus Proximal Region. The proximal region of the humerus articulates with the scapula to form the glenohumeral joint (shoulder joint). The important anatomical features of the proximal humerus are the head, anatomical neck, surgical neck, greater and lesser tubercles and intertubercular sulcus.roximal Region. The proximal region of the humerus articulates with the scapula to form the glenohumeral joint (shoulder joint). The important anatomical features of the proximal humerus are the head, anatomical neck, surgical neck, greater and lesser tubercles and intertubercular sulcus.
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- 1 The shoulder joint itself known as the Glenohumeral joint, (is a ball and socket articulation between the head of the humerus and the glenoid cavity of the scapula). 2  The acromioclavicular (AC) joint (where the clavicle meets the acromion of the scapula).here are four joints making up the 'shoulder joint': 1  The shoulder joint itself known as the Glenohumeral joint, (is a ball and socket articulation between the head of the humerus and the glenoid cavity of the scapula).
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- The joints of the shoulder are the shoulder joint (or glenohumeral joint), and the acromioclavicular joint. Another joint in the shoulder is the sternoclavicular joint that articulates with the sternum and clavicle.he shoulder joint also known as the glenohumeral joint, is the major joint of the shoulder, but can more broadly include the acromioclavicular joint. In human anatomy, the shoulder joint comprises the part of the body where the humerus attaches to the scapula, the head sitting in the glenoid cavity.
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Glenoid cavity This cavity forms the glenohumeral joint along with the humerus. This type of joint is classified as a synovial, ball and socket joint. The humerus is held in place within the glenoid cavity by means of the long head of the bicep tendon.This tendon originates on the superior margin of the glenoid cavity and loops over the shoulder bracing humerus against the cavity.The rotator cuff also reinforces this joint more specifically with the supraspinatus tendon to hold the head of the humerus in the glenoid cavity.his tendon originates on the superior margin of the glenoid cavity and loops over the shoulder bracing humerus against the cavity. The rotator cuff also reinforces this joint more specifically with the supraspinatus tendon to hold the head of the humerus in the glenoid cavity.
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How the Normal Shoulder Works The shoulder is a ball-and-socket joint. It is made up of three bones: the upper arm bone (humerus), shoulder blade (scapula) and collarbone (clavicle). The ball at the top end of the arm bone fits into the small socket (glenoid) of the shoulder blade to form the shoulder joint (glenohumeral joint). The socket of the glenoid is surrounded by a soft-tissue rim (labrum).
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Gross Anatomy Laryngeal cavity. The laryngeal central cavity is tubular in shape and lined with mucosa. The superior aspect of the cavity (laryngeal inlet) opens into the pharynx, inferior and posterior to the tongue. The inferior aspect of the cavity is continuous with the lumen of the trachea.The laryngeal cavity may be divided into 3 major regions: the vestibule, the middle, and the infraglottic space. The vestibule is the upper portion of the cavity, in between the laryngeal inlet and the vestibular folds.he inferior aspect of the cavity is continuous with the lumen of the trachea. The laryngeal cavity may be divided into 3 major regions: the vestibule, the middle, and the infraglottic space. The vestibule is the upper portion of the cavity, in between the laryngeal inlet and the vestibular folds.
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- The Glenoid fossa is so called when is not surrounded by the Glenoid labrum (which increases its depth and also increases the surface of contact with the head of the humerus). … In a specimen (or in a human body) the glenoid labrum is present, therefore the Glenoid fossa is called Glenoid cavity (deeper).he scapula articulates with the humerus at the glenoid cavity to form the shoulder joint. It also articulates with the clavicle at acromion to form the acromioclavicular join … t. 2 people found this useful. Peakay Tea.
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Bones & Joints of the Shoulder The scapula is also marked by a shallow, somewhat comma-shaped glenoid cavity, which articulates with the head of the humerus. The top end of the humerus consists of the head, the neck, the greater and lesser tubercles, and the shaft. The head is half-spherical in shape and projects into the glenoid cavity.
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Glenoid Labrum Tear A superior injury is known as a SLAP lesion (superior labrum, anterior to posterior and is a tear of the rim above the middle of the socket that may also involve the biceps tendon. A tear of the rim below the middle of the glenoid socket is called a Bankart lesion and also involves the inferior glenohumeral ligament.
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Glenoid cavity The glenoid cavity or glenoid fossa of scapula is a part of the shoulder.his tendon originates on the superior margin of the glenoid cavity and loops over the shoulder bracing humerus against the cavity. The rotator cuff also reinforces this joint more specifically with the supraspinatus tendon to hold the head of the humerus in the glenoid cavity.
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Bones & Joints of the Shoulder The scapula is also marked by a shallow, somewhat comma-shaped glenoid cavity , which articulates with the head of the humerus. The top end of the humerus consists of the head, the neck, the greater and lesser tubercles, and the shaft. The head is half-spherical in shape and projects into the glenoid cavity. The neck lies between the head and the greater and lesser tubercles. The greater and lesser tubercles are prominent landmarks on the humerus and serve as attachment sites for the rotator cuff muscles. There are four joints making up the 'shoulder joint': 1  The shoulder joint itself known as the Glenohumeral joint, (is a ball and socket articulation between the head of the humerus and the glenoid cavity of the scapula) 2  The acromioclavicular (AC) joint (where the clavicle meets the acromion of the scapula)
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My Doctor Online The Permanente Medical Group Shoulder cartilage tear (glenoid labrum tear) The ball at the top of the upper arm bone rests in a socket in the shoulder blade called the glenoid. The glenoid is lined with a ring of cartilage and fibrous tissue called the labrum. The labrum surrounds the ball of the upper arm bone and keeps it inside the glenoid.
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Glenoid cavity When torn, it is most commonly known as a SLAP lesion which is generally caused by repetitive shoulder movements. Compared to the acetabulum (hip-joint) the glenoid cavity is relatively shallow. This makes the shoulder joint prone to luxation.
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Internal Impingement of the Shoulder Internal impingement is commonly described as a condition characterized by excessive or repetitive contact between the posterior aspect of the greater tuberosity of the humeral head and the posterior-superior aspect of the glenoid rim when the arm is placed in extreme ranges of abduction and external rotation.nternal impingement is commonly described as a condition characterized by excessive or repetitive contact between the posterior aspect of the greater tuberosity of the humeral head and the posterior-superior aspect of the glenoid rim when the arm is placed in extreme ranges of abduction and external rotation.
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- Elvi…s and Johnny were friends and mutually respected each other throughout their lives. Their time at Sun Records, located in Memphis Tennessee, is/was/forever will be...legendary. There are some great audio/video clips of Elvis imitating Johnny Cash and also of Johnny Cash imitating Elvis Presley.