Term
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Definition
| a ball-and-socket joint with movement in all three planes |
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Term
| the humeral head articulating with the glenoid fossa of the scapula |
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Definition
| what makes up the shoulder joint? |
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Term
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Definition
| motion similar to flexion or abduction but occurs in the scapular plane |
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Term
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Definition
| planed that is 30 degrees forward of the frontal plane |
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Term
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Definition
| on scapula; a shallow, egg-shaped socket on the superior end, lateral side; articulates with the humerous |
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Term
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Definition
| on the scapula; fibrocartilaginous ring attached to the rim of the glenoid fossa, which deepens the articular cavity |
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Term
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Definition
| on the scapula; includes most of the area on the anterior surface, providing attachment for the subscapularis muscle |
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Term
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Definition
| on the scapula; below the spine, providing attachment for the ingraspinatus muscle |
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Term
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Definition
| on the scapula; above the spine, providing attachment for the supraspinatus muscle |
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Term
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Definition
| on the scapula; providing attachment for the teres major and teres minor muscles |
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Term
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Definition
| on the scapula; broad, flat area on the superior lateral aspect, providing attachment for the middle deltoid muscle |
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Term
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Definition
| the longest and largest bone of the upper extremity |
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Term
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Definition
| part of humerus; semirounded proximal end; articulates with the scapula |
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Term
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Definition
| part of humerus; slightly constricted area just below tubercles where the head meets the body |
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Term
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Definition
| part of humerus; circumferential groove separating the head from the tubercle |
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Term
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Definition
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Term
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Definition
| on humerus; large projection lateral to head and lesser tubercle; provides attachment for the supraspinatus, infraspinatus, and teres minor muscles |
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Term
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Definition
| smaller projection on the anterior surface of the humerus, medial to the greater tubercle; provides attachment for the sucscapularis muscle |
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Term
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Definition
| on the lateral side near the midpoint of the humerus; not usually a well-defined landmark |
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Term
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Definition
| the longitudinal groove between the tubercles on the humerus, containing the tendon of the long head of the biceps |
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Term
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Definition
| on the humerus; also called the lateral and medial lips of the bicipital groove; provides attachment for the pectoralis major, latissimus dorsi, and the teres major |
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Term
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Definition
| thin-walled, spacious container that attaches around the rim of the glenoid fossa of the scapula and anatomical neck of the humerus |
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Term
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Definition
| ligaments that reinforce the anterior portion of the capsule |
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Term
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Definition
| ligament that attaches from the lateral side of the coracoid process and spans the joint anteriorly to the medial side of the greater tubercle; strenthens up part of capsule |
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Term
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Definition
| fibrous ring that surrounds the rim of the glenoid fossa; deepens the articular cavity |
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Term
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Definition
| tendinous band formed by the blending together of the tendinous insertions of the subscapularis, supraspinatus, infraspinatus and teres minor muscles; helps keep the head of the humerus rotating against the glenoid fossa during motion |
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Term
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Definition
| a superficial fibrous sheet attacihng to the spinous processes of the lower thoracic and lumbar vertebra, supraspinal ligament and the posterior part of the iliac crest; provides attachment for the latissimus dorsi |
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Term
| acromioclavicular separation |
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Definition
| term commonly used to describe the various amounts of ligament injury at the acromioclavicular joint |
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Term
| the ligament is stretched |
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Definition
| what happens in a first degree acromioclavicular sprain? |
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Term
| the acromioclavicular ligament is ruptured and the coracoclavicular is stretched |
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Definition
| what happens in a second-degree acromioclavicular sprain? |
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Term
| both the acromioclavicular and coracoclavicular ligaments are ruptured |
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Definition
| what happens in a third degree acromioclavicular sprain? |
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Term
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Definition
| account for the most frequently broken bone in children; clavicle usually breaks in its midportion |
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Term
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Definition
| caused by a fall on the outstreched hand; common in the elderly is usually an impacted fracture |
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Term
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Definition
| usually caused by a direct blow or a twisting force |
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Term
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Definition
| may be caused by benign tumors or metastatic carcinoma from primary sites |
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Term
| anterior shoulder dislocations |
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Definition
| most common joint dislocation; humeral head slides out anteriorly out of the glenoid fossa |
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Term
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Definition
| paralysis combined with the pull of gravity and the weight of the arm over time causes partial dislocation |
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Term
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Definition
| overuse condition that involves compression between the acromial arch, humeral head, and coracoacromial ligament of soft tissue structures such as the rotator cuff muscles |
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Term
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Definition
| type of impingement common with swimmers |
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Term
| adhesive capsulitis (frozen shoulder) |
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Definition
| inflammation and fibrosis of the shoulder joint capsule leading to pain and loss of shoulder range of motion |
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Term
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Definition
| tears that involve the distal tendinous insertion of the supraspinatus, infraspinatus, teres minor, and sucscapularis on the tubercle area of the humerus |
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Term
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Definition
| chronic inflammation of the supraspinatus tendon can lead to an accumulation of minseral deposits and result in this |
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Term
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Definition
| involves the long head of the biceps proximally as it crosses the humeral head and descends into the bicipital groove; commonly ruptures |
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Term
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Definition
| superficial muscle covering the shoulder joint on three sides, giving the shoulder a rounded shape; separated into 3 parts |
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Term
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Definition
| this muscle attaches on the outer third of the clavicle and runs down and out to the deltoid tuberosity |
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Term
| abduction, flexion, and medial rotation, horizontal abduction |
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Definition
| what motions is the anterior deltoid muscle involved in? |
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Term
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Definition
| muscle that attaches on the lateral side of the acromion process and runs directly down to the deltoid tuberosity |
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Term
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Definition
| what motion is the middle deltoid muscle involved in? |
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Term
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Definition
| muscle that attaches to the spine of the scapula and runs obliquely down to its attachment with the anterior and middle fibers on the deltoid tuberosity |
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Term
| abduction, extension, hyperextension, lateral rotation, horizontal abduction |
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Definition
| what motions is the posterior deltoid muscle involved in? |
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Term
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Definition
| muscle that lies above the spine of the scapula; stabilizes the head of the humerus against the glenoid fossa and is active in abduction |
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Term
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Definition
| large muscle of the chest that is superficial; effective in adduction and medial rotation |
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Term
| clavicular and sternal portions |
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Definition
| what are the two parts to the pectoralis major? |
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Term
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Definition
| broad, sheetlike muscle located on the back and attaches to the proximal, anterior and medial surfaces of the humerus |
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Term
| extension, adduction, medial rotation, hyperextension |
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Definition
| what motions is the latissimus dorsi involved in? |
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Term
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Definition
| muscle that has its proximal attachment on the axillary border of the scapula; attaches next to the latissimus dorsi; does everything the l.d does except hyperextension |
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Term
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Definition
| muscle that lies below the spine of the scapula; the trapezius and deltoid muscles cover portions of it |
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Term
| lateral rotation, horizontal abduction |
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Definition
| what motions is the infraspinatus muscle involved in? |
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Term
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Definition
| attaches posteriorly on the greater tubercle of the humerus, and is is involved in the same motions are the infraspinatus muscle |
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Term
| supraspinatus, infraspinatus, teres minor |
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Definition
| what muscles are the SIT muscles? |
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Term
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Definition
| the SIT muscles are referred to as.... |
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Term
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Definition
| muscle located deep on the underside of the scapula, lying next to the rib cage; involved in medial rotation |
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Term
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Definition
| muscle that derives its name from its attachments on the coracoid process on the scapula and on the humerus or "arm"; stablizes the shoulder joint |
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