Term
Where does the shoulder joint attach to the axial skeleton? |
|
Definition
at the clavicle and SC joint. |
|
|
Term
Movement of the scapula USUALLY occurs with movement of what? |
|
Definition
|
|
Term
For humeral flexion and abduction to take place, what movements must occur by the scapula? |
|
Definition
elevation, rotation upward, and abduction |
|
|
Term
Humeral adduction and extension results in which movements by the scapula? |
|
Definition
Depression, rotation downward, adduction, and horizontal abduction |
|
|
Term
The wide range of motion of the shoulder joint causes the joint to be more or less stable? |
|
Definition
|
|
Term
Shoulder joint muscles have origins where? |
|
Definition
On the scapula and clavicle |
|
|
Term
Where are the insertions for the shoulder joint located? |
|
Definition
|
|
Term
What is the technical name for the shoulder joint? |
|
Definition
|
|
Term
The glenohumeral joint is classified as which kind of joint? |
|
Definition
|
|
Term
True or false, glenohumeral ligaments are lax except when extreme ROM is reached |
|
Definition
|
|
Term
Which is a more common injury to the glenohumeral joint? Anterior/anteriorinferior dislocation/sublaxation, or posterior dislocation? |
|
Definition
Anterior and anteriorinferior injuries are much more common to this joint than posterior dislocation. |
|
|
Term
What muscles part of the rotator cuff? |
|
Definition
Subscapularis, supraspinatus, infraspinatus, and teres minor |
|
|
Term
Intrinsic muscles of the shoulder joint |
|
Definition
Deltoid, coracobrachialis, teres major, subscapularis Supraspinatus, infraspinatus, and teres minor |
|
|
Term
Where do the intrinsic muscles of the glenohumeral joint originate? |
|
Definition
|
|
Term
The extrensic muscles of the glenohumeral joint include |
|
Definition
Pectoralis major and latissimus dorsi |
|
|
Term
Name all of the muscles of the shoulder joint |
|
Definition
1.Deltoid, 2.coracobrachialis 3.pectoralis major 4.subscapularis 5.supraspinatus 6.infraspinatus, 7.teres minor 8. teres major 9. latissimus dorsi |
|
|
Term
All shoulder joint muscles are innervated by which plexus? |
|
Definition
|
|
Term
Lateral pectoral nerve (C5,6,&7) innervates which muscle(s)? |
|
Definition
Pectoralis major (clavicular head) |
|
|
Term
Medial pectoral nerve (c8&T1) innervates which muscle(s)? |
|
Definition
Pectoralis major (sternal head) |
|
|
Term
Thoracodorsal nerve (C6-C8) innervates which muscle(s)? |
|
Definition
|
|
Term
Axillary nerve (C5&C6)innervates which muscle(s)? |
|
Definition
Deltoid, teres minor, and sensation to lateral patch of skin on deltoid |
|
|
Term
Upper subscapular nerve (C5&C6) innervates which muscle(s)? |
|
Definition
|
|
Term
Lower subscapular nerve (C5 and C6) innervates which muscle(s) |
|
Definition
Subscapularis and teres major |
|
|
Term
Suprascapular nerve (C5 and c6)innervates which muscle(s)? |
|
Definition
Supraspinatus and infraspinatus |
|
|
Term
Musculotaneous nerve (C5-C7) innervates which muscle(s) |
|
Definition
Coracobrachialis, sensation to radial aspect of forearm |
|
|
Term
Actions of Deltoid anterior fibers |
|
Definition
Abduction, flexion, horizontal adduction, and internal rotation |
|
|
Term
Actions of Deltoid middle fibers |
|
Definition
|
|
Term
Actions of Deltoid posterior fibers |
|
Definition
Abduction, extension, horizontal abduction, external rotation |
|
|
Term
Actions of pectoralis major (all fibers) |
|
Definition
Adduction, internal rotation, assist to elevate thorax for forced inhalation |
|
|
Term
Actions of pectoralis major upper fibers (clavicular head) |
|
Definition
Flexion and horizontal adduction |
|
|
Term
Actions of pectoralis major lower fibers (sternal head) |
|
Definition
|
|
Term
Actions of latissimus dorsi |
|
Definition
Adduction, extension, internal rotation |
|
|
Term
|
Definition
Extension, internal rotation, adduction |
|
|
Term
Actions of Coracobrachialis |
|
Definition
Flexion, adduction, and horizontal adduction |
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
Which group of muscles are vital in maintaining the position of the humeral head within the glenoid fossa? |
|
Definition
|
|
Term
Actions of the supraspinatus |
|
Definition
Abduction, stabilization of humeral head |
|
|
Term
Which is the only rotator cuff muscle that does not rotate the humerus |
|
Definition
|
|
Term
Actions of the infraspinatus |
|
Definition
External rotation, adduction, stabilizes humeral head |
|
|
Term
|
Definition
External rotation, adduction, stabilization of humeral head |
|
|
Term
Actions of thesubscapularis |
|
Definition
Internal rotation, stabilization of humeral head |
|
|
Term
Agonists for glenohumeral flexion |
|
Definition
Anterior deltoid Upper pectoralis major Coracobrachialis, biceps brachii |
|
|
Term
Agonists for genohumeral extension |
|
Definition
Latissimus dorsi Teres major lower pectoralis major Posterior deltoid Triceps Brachii |
|
|
Term
Agonists for glenohumeral abduction |
|
Definition
|
|
Term
Agonists for glenohumeral adduction |
|
Definition
Latissimus dorsi Teres Major Lower pectoralis major coracobrachialis Triceps brachii |
|
|
Term
Agonists for glenohumeral internal rotation |
|
Definition
Latissimus Dorsi Teres Major Subscapularis Anterior deltoid Pectoralis Major |
|
|
Term
Agonists for glenohumeral external rotation |
|
Definition
Infraspinatis teres minor Posterior deltoid |
|
|
Term
Agonist for glenohumeral horizontal abduction |
|
Definition
|
|
Term
Agonists for glenohumeral horizontal adduction |
|
Definition
Anterior deltoid pectoralis major coracobrachialis |
|
|