Term
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Definition
| this motion is similar to flexion & abduction but occurs in the scapular plane; most common functional activities occur in this plane |
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Term
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Definition
| shallow, somewhat egg-shaped socket on the superior end, lateral side of scapula; articulates w/ the humerus |
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Term
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Definition
| fibrocartiliginous ring attached to the rim of the glenoid fossa, which deepens the articular cavity |
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Term
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Definition
| includes most of the area on the anterior (costal) surface of the scapula |
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Term
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Definition
| below the spine of the scapula |
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Term
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Definition
| above the spine of the scapula |
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Term
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Definition
| providing attachment for the teres major and teres minor muscles |
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Term
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Definition
| 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
| longest and largest bone of the UE |
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Term
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Definition
| semi-rounded proximal end; articulates w/ the scapula |
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Term
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Definition
| slightly constricted area just below tubercles where the head meets the body |
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Term
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Definition
| circumferential groove separating the head from the tubercle |
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Term
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Definition
| body of the humerus; the area between the surgical neck proximally and the epicondyles distally |
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Term
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Definition
| large projection lateral to head and lesser tubercle of humerus; provides attachment for the supraspinatus, infraspinatous, and teres minor muscles |
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Term
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Definition
| smaller projection on the anterior surface, medial to the greater tubercle on humerus; provides attachment for the subscapularis 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-define landmark |
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Term
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Definition
| also called the "intertubercular groove"; the longitudinal groove b/t the tubercles, containing the tendon of the long head of the biceps |
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Term
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Definition
| also called the lateral and medial lips of the bicipital groove, or the crests of the greater and lesser tubercles. The lateral lip provides attachment for the pec major, and the medial lip provides attachment for the latissimus dorsi & teres major. |
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Term
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Definition
| a thin-walled, spacious container that attaches around the rim of the glenoid fossa of the scapula & the anatomical neck of the humerus |
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Term
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Definition
| these superior, middle, and inferior ligaments reinforce the anterior portion of the capsule |
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Term
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Definition
| this ligament attaches from the lateral side of the coracoid process and spans the joint anteriorly to the medial side of the greater tubercle |
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Term
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Definition
| this ligament strengthens the upper part of the glenohumeral joint |
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Term
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Definition
| large bursa located between the deltoid muscle and the joint capsule |
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Term
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Definition
| bursa that lies below the acromion and coracoacromial ligament |
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Term
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Definition
| the tendinous band formed by the blending together of the tendinous insertions of the subscapularis, supraspinatus, infraspinatus, and teres minor muscles |
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Term
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Definition
| these muscles help to keep the head of the humerus "rotating" against the glenoid fossa during joint motion |
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Term
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Definition
| a superficial fibrous sheet that attaches to the spinous processes of the lower thoracic and lumbar vertebrae, the supraspinal ligament, and the posterior part of the iliac crest; it provides a very broad attachment for the latissimus dorsi |
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Term
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Definition
| What structure creates a partial vacuum around the joint, thus helping to hold the head of the humerus against the glenoid fossa? |
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Term
| coracohumeral & glenohumeral |
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Definition
| Which two ligaments help reinforce the shoulder joint? |
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Term
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Definition
| a superficial muscle that covers the shoulder joint on three sides, giving the shoulder its characteristic rounded shape |
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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; medial rotation; horizontal adduction |
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Definition
| What are the primary actions of the anterior deltoid muscle? |
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Term
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Definition
| this muscle 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 is the primary action of the middle deltoid muscle? |
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Term
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Definition
| this muscle attaches to the spine of the scapula and runs obliquely down to its attachment on the deltoid tuberosity |
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Term
| abduction; extension; hyperextension; lateral rotation; horizontal abduction |
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Definition
| What are the primary actions of the posterior deltoid muscle? |
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Term
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Definition
| What concept describes the action of the shoulder girdle and the deltoid muscles, especially the middle deltoid muscle, during shoulder abduction? |
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Term
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Definition
O:lateral 1/3 of clavicle
I:deltoid tuberosity
A:abduction, flexion, medial rotation, horizontal adduction
N:axillary (C5,C6) |
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Term
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Definition
O:acromion process
I:deltoid tuberosity
A:abduction
N:axillary (C5,C6) |
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Term
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Definition
O:spine of scapula
I:deltoid tuberosity
A:abduction, extension, hyperextension, lateral rotation, horizontal abduction |
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Term
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Definition
| a large superficial muscle of the chest that is divided into two different parts: clavicular portion & sternal portion |
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Term
| clavicular portion of pectoralis major |
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Definition
| attaches to the medial third of the clavicle; acts as a prime mover in the first 60 degrees of shoulder flexion (from 0-60) |
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Term
| sternal portion of pectoralis major |
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Definition
| attaches to the sternum and costal cartilages of the first six ribs; acts as a prime mover in the first 60 degrees of extension (from 180-120) |
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Term
| pectoralis major muscle, clavicular portion |
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Definition
O:medial third of clavicle
I:lateral lip of bicipital groove of humerus
A:shoulder flexion- first 60degrees |
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Term
| pectoralis major muscle, sternal portion |
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Definition
O:sternum, costal cartilage of first six ribs
I:lateral lip of bicipital groove of humerus
A:shoulder extension- first 60degrees |
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Term
| pectoralis major muscle, clavicular and sternal portions |
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Definition
A:shoulder adduction, medial rotation, horizontal adduction
N:lateral and medial pectoral nerve (C5, C6, C7, C8, T1) |
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Term
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Definition
| a broad, mostly superficial sheetlike muscle located on the back; because of its attachment on the ilium & sacrum, it can elevate the pelvis if the arm were stabilized |
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Term
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Definition
O:spinous processes of T7 through L5, posterior surface of sacrum, iliac crest, & lower three ribs
I:medial floor of bicipital groove of humerus
A:shoulder ext, add, medial rot, hyperextention
N:thoracodorsal nerve (C6,C7,C8) |
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Term
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Definition
| means "long and round" and is often referred to as the "little helper" of the latissimus dorsi |
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Term
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Definition
O:axillary border of scapula near the inferior angle
I:crest below lesser tubercle inferior to the latissimus dorsi muscle attachment
A:shoulder ext, add, and medial rot
N:lower subscapular nerve (C5,C6,C7) |
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Term
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Definition
| this muscle, which lies above the spine of the scapula is very important in stabilizing the head of the humerus against the glenoid fossa |
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Term
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Definition
O:supraspinous fossa of scapula
I:greater tubercle of humerus
A:shoulder abduction
N:suprascapular nerve (C5,C6) |
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Term
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Definition
O:infraspinous fossa of scapula
I:greater tubercle of humerus
A:shoulder lateral rot, horizontal abd
N:suprascapular nerve (C5,C6) |
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Term
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Definition
O:axillary border of scapula
I:greater tubercle of humerus (posterior)
A:shoulder lateral rot, horizontal abd
N:axillary nerve (C5,C6) |
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Term
S:supraspinatus muscle
I:infraspinatus muscle
T:teres minor muscle
S:subscapularis muscle |
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Definition
| What muscles make up the rotator cuff? |
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Term
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Definition
O:subscapular fossa of the scapula
I:lesser tubercle of the humerus
A:shoulder medial rotation
N:upper and lower subscapular nerve (C5,C6) |
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Term
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Definition
| derives its name from its attachments on the coracoid process of the scapula and on the humerus |
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Term
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Definition
O:coracoid process of scapula
I:medial surface of humerus near midpoint
A:stabilizes the shoulder joint
N:musculocutaneous nerve (C6,C7) |
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Term
| Shoulder jt muscles are superficial to muscles of the shoulder girdle (w/ exception to the trapezius muscles) to allow both sets of muscles to function w/o getting in each other's way. |
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Definition
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Term
| The deltoid forms a superficial cap over the anterior, lateral, and posterior sides of the shoulder. Anteriorly, the pectoralis major covers most of the superficial chest wall, while the biceps brachii & triceps brachii encompass most of the ant & pos arm. |
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Definition
| Fun Fact, anatomical relationships |
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Term
| Underneath the trapezius muscles lie the supraspinatus, infraspinatus, teres minor, & teres major. The latissimus dorsi covers the lumbar and lower thoracic region of the back. |
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Definition
| Fun Fact, anatomical relationships |
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Term
| Anteriorly viewed, the coracobrachialis lies deep to the pectoralis major & ant deltoid & lies medially to the short head of the biceps. The subscapularis is truly a deep muscle. |
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Definition
| Fun Fact, anatomical relationships |
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Term
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Definition
| as abduction occurs, the humeral head rolls across the glenoid fossa; at the same time the head glides inferiorly, keeping the head of the humerus articulating w/ the glenoid fossa--what is this called? |
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Term
| acromioclavicular separation |
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Definition
| the term commonly used to describe the various amounts of ligament injury at the acromioclavicular joint |
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Term
| acromioclavicular separation: first-degree sprain |
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Definition
| the acromioclavicular ligament is stretched |
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Term
| acromioclavicular separation: second-degree sprain |
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Definition
| the acromioclavicular ligament is ruptured and the coracoclavicular ligament is stretched |
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Term
| acromioclavicular separation: third-degree sprain |
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Definition
| bot the acromioclavicular ligament & coracoclavicular ligaments are ruptured |
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Term
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Definition
| injury caused by a fall on the outstretched hand; it is common in the elderly& is usually an impacted fracture |
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Term
| anterior shoulder dislocation |
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Definition
| one of the most common shoulder joint dislocations; a forced shoulder abduction & lateral rotation tends to be the dislocating motion causing the humeral head to slide anteriorly out of the glenoid fossa |
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Term
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Definition
| commonly seen in individuals who have hemiplegia, usually from a CVA; paralysis of the shoulder muscles leaves them no longer able to hold the head of the humerus in the glenoid fossa |
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Term
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Definition
| an overuse condition that involves compression b/t the acromial arch, humeral head, and soft tissue structures such as the coracoacromial ligament, rotator cuff muscles, long head of the biceps, and subacromial bursa (swimmer's shoulder) |
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Term
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Definition
| refers to the inflammation and fibrosis of the shoulder joint capsule, which leads to pain and loss of shoulder jt ROM (frozen shoulder) |
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Term
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Definition
| involves the distal tendinous insertion of the supraspinatus, infraspinatus, teres minor, & subscapularis on the greater/lesser tubercle area of the humerus |
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Term
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Definition
| usually involves the long head of the biceps proximally as it crosses the humeral head, changes direction, & descends into the intertubercular groove |
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Term
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Definition
| the close-packed position is abduction and ___ |
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Term
| 30degrees horizontal adduction |
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Definition
| the loose-packed position is 55degree abduction and ___ |
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