Term
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Definition
| inserts on the coracoid process |
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Term
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Definition
| originates on the anterior surface of the third through fifth ribs |
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Term
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Definition
| lies deep to the pectoralis major muscle & is the only shoulder girdle muscle located entirely on the anterior surface of the body |
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Term
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Definition
| w/o this muscle, the vertebral border lifts away from the rib cage, which is called "winging of the scapula" |
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Term
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Definition
| b/c this muscle has a nearly horizontal line of pull outward, it is a prime move in scapular protraction and upward rotation |
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Term
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Definition
| inserts on the vertebral border of the scapula, anterior surface |
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Term
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Definition
| it is impossible to raise your arm above your head w/o action of this muscle |
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Term
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Definition
| What muscle has an oblique line of pull and are prime movers in scapular retraction and elevation? They also rotate the scapula downwards. |
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Term
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Definition
| inserts on the vertebral border of the scapula below the levator scapula muscle b/t the spine and inferior angle |
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Term
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Definition
| originates from the nuchal ligament and spinal processes of C7 through T5 |
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Term
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Definition
| What muscle is named for its function of scapular elevation? It only assists in scapular retraction, and is also a prime mover in downward rotation. |
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Term
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Definition
| inserts on the vertebral border of the scapula b/t the superior angle and spine |
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Term
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Definition
| originates on the transverse processes of the first four cervical vertebrae |
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Term
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Definition
| The upper and lower trapezius muscles are agonist/antagonist to each other in elevation and depression and are agonistic/antagonistic in upward rotation. |
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Term
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Definition
| This muscle is most effective in depression and upward rotation of the scapula. |
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Term
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Definition
| inserts on the base of the scapular spine |
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Term
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Definition
| originates from the spinous processes of the middle and lower thoracic vertebrae |
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Term
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Definition
| prime mover in scapular retraction |
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Term
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Definition
| inserts on the medial aspect of the acromion process & along the scapular spine |
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Term
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Definition
| originates from the nuchal ligament of the lower cervical vertebrae & spinous process of C7 & the upper thoracic vertebrae |
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Term
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Definition
| prime mover in scapular elevation & upward rotation |
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Term
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Definition
| inserts on the lateral end of the clavicle and acromion process |
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Term
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Definition
| originates on the occipital protuberance and the nuchal ligament of the upper cervical vertebrae |
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Term
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Definition
| This is a large, superficial muscle that appears diamond-shaped. Functionally it is divided into three parts b/c there are three different lines of pull resulting in different muscle actions. |
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Term
| trapezius, levator scapula, rhomboids, serratus anterior, & pectoralis minor |
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Definition
| What are the 5 muscles of the shoulder girdle? |
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Term
| up; down (elevation; depression) |
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Definition
| In the case of the shoulder girdle, muscles w/ a greater vertical angle of pull will be effective in pulling the scapula __ or __. |
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Term
| in; out (retraction; protraction) |
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Definition
| Muscles w/ a greater horizontal angle of pull will be more effective in pulling the scapula __ or __. |
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Term
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Definition
| What is the concept that further describes the movement relationship b/t the shoulder girdle and the shoulder joint? |
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Term
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Definition
| What is the posterior lateral movement of the vertebral border of the scapula in the transverse plane? |
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Term
| inferior angle of scapula |
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Definition
| What is the defined point of reference for scapular motion? |
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Term
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Definition
| During ___ the inferior angle of the scapula rotates up and away from the vertebral column |
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Term
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Definition
| B/c motions of the shoulder girdle can be seen best by looking at the scapula, they are commonly described as either shoulder girdle or __ motion. |
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Term
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Definition
| Shoulder girdle protraction and retraction is synonymous w/ __ abduction & __ adduction. |
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Term
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Definition
| What ligament attaches laterally on the superior surface of the coracoid process & runs up and out to the inferior surface of the acromial process? |
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Term
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Definition
| What ligament does not actually cross over the acromioclavicular joint, but rather forms a roof over the head of the humerus & serves as a protective arch, providing support to the head when an upward force is transmitted along the humerus? |
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Term
| acromioclavicular ligament |
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Definition
| What ligament prevents dislocation of the clavicle? |
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Term
| acromioclavicular ligament |
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Definition
| What ligaments support the acromioclavicular joint by holding the acromion process to the clavicle? |
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Term
| coracoclavicular ligament |
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Definition
| What ligament prevents backward motion of the scapula, & limits rotation of the scapula? |
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Term
| acromioclavicular ligament; coracoclavicular ligament; coracoacromial ligament |
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Definition
| What 3 ligaments make up the acromioclavicular joint? |
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Term
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Definition
| This joint connects the acromion process of the scapula w/ the lateral end of the clavicle. |
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Term
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Definition
| This ligament's purpose is to limit the amt of clavicular depression. |
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Term
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Definition
| Which ligament is located on top of the manubrium, connecting the superior sternal ends of the clavicles? |
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Term
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Definition
| This ligament's primary purpose is to limit the amt of clavicular elevation. |
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Term
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Definition
| Which ligament is a short, rhomboidal-shaped ligament that connects the clavicles inferior surface to the superior surface of the costal cartilage of the first rib? |
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Term
| sternoclavicular ligament |
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Definition
| Which ligament connects the clavicle to the sternum on anterior and posterior surfaces? |
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Term
| anterior sternoclavicular ligament |
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Definition
| This ligament limits the amt of posterior movement of the clavicle's medial end. |
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Term
| posterior sternoclavicular ligament |
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Definition
| This ligament limits the anterior movement of the clavicle's medial end. |
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Term
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Definition
| What serves as a shock absorber for the sternoclavicular joint? |
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Term
interclavicular ligament
costoclavicular ligament
sternoclavicular ligament
articular disk |
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Definition
| Makes up the sternoclavicular joint |
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Term
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Definition
| What consists of: scapula, clavicle, sternum, humerus, rib cage, sternoclavicular joint, acromioclavicular joint, glenohumeral joint, and scapulothoracic articulation? |
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Term
| scapulothoracic articulation |
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Definition
| this provides motion and flexibility to the body; the scapular and thorax are not directly attached but are connected indirectly by the clavicle and by several muscles |
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Term
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Definition
| a flat bone located in the mid-line of the anterior thorax |
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Term
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Definition
| an s-shaped bone that connects the UE to the axial skeleton at the sternoclavicular joint |
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Term
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Definition
| the superior end of the sternum, providing attachment for the clavicle and first rib |
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Term
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Definition
| the middle 2/3 of the sternum, providing attachment for the remaining ribs |
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Term
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Definition
| the inferior tip of the sternum meaning "sword-shaped" |
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Term
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Definition
| portion of the clavicle that attaches medially to the sternum |
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Term
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Definition
| portion of the clavicle that attaches laterally to the scapula |
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Term
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Definition
| middle portion of the clavicle found b/t the two ends of the bone |
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Term
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Definition
| slightly concave surface that articulates w/ the humerus on superior lateral side above the axillary border & below the acromion process |
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Term
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Definition
| broad, flat area on superior lateral aspect, providing attachment for the upper trapezius muscle |
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Term
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Definition
| projection on anterior surface, providing attachment for the pectoralis minor muscle |
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Term
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Definition
| projection on posterior surface, running from medial border laterally to the acromion process. Provides attachment for the middle and lower trapezius |
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Term
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Definition
| the lateral side b/t glenoid fossa and inferior angle |
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Term
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Definition
| b/t superior and inferior angles medially, and attachment of the rhomboid and serratus anterior muscles |
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Term
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Definition
| most inferior point and where vertebral and axillary border meet |
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Term
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Definition
| superior medial aspect, providing attachment for the levator scapula muscle |
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Term
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Definition
| its downward diagonal line of pull is mostly vertical, making it a prime mover in scapular depression, downward rotation, and scapular tilt |
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Term
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Definition
| muscles pulling in different directions to accomplish the same motion |
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Term
| upper trapezius, lower trapezius, & serratus anterior |
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Definition
| Which muscles act as a force couple in scapular upward rotation? |
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Term
| levator scapula, rhomboids, & pectoralis minor |
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Definition
| Which muscles act as a force couple in scapular downward rotation? |
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Term
| reversal of muscle action |
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Definition
| when the insertion is stabilized & the origin moves |
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Term
| middle trapezius & rhomboids |
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Definition
| What muscles are prime movers in retraction? |
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Term
| serratus anterior & pectoralis minor |
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Definition
| What muscles are prime movers in protraction? |
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Term
| upper trapezius, levator scapula & rhomboids |
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Definition
| What muscles are prime movers in elevation? |
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Term
| lower trapezius & pectoralis minor |
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Definition
| What muscles are prime movers in depression? |
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Term
| upper and lower trapezius & serratus anterior |
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Definition
| What muscles are prime movers in upward rotation? |
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Term
| rhomboids, levator scapulae & pectoralis minor |
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Definition
| What muscles are prime movers in downward rotation? |
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Term
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Definition
| What muscles is a prime mover in scapular tilt? |
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Term
| upward rotation; protraction |
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Definition
| What shoulder girdle motions accompany flexion of the shoulder joint? |
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Term
| downward rotation; retraction |
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Definition
| What shoulder girdle motions accompany extension of the shoulder joint? |
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Term
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Definition
| What shoulder girdle motion accompanies hyperextension of the shoulder joint? |
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Term
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Definition
| What shoulder girdle motion accompanies abduction of the shoulder joint? |
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Term
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Definition
| What shoulder girdle motion accompanies adduction of the shoulder joint? |
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Term
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Definition
| What shoulder girdle motion accompanies medial rotation of the shoulder joint? |
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Term
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Definition
| What shoulder girdle motion accompanies lateral rotation of the shoulder joint? |
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Term
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Definition
| What shoulder girdle motion accompanies horizontal abduction of the shoulder joint? |
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Term
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Definition
| What shoulder girdle motion accompanies horizontal adduction of the shoulder joint? |
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Term
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Definition
O:occipital bone, nuchal ligament on upper cervical spinous processes
I:outer third of clavicle, acromion process
A:scapular elevation & upward rotation
N:cranial nerve XI |
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Term
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Definition
O:spinous processes of C7-T3
I:scapular spine
A:scapular retraction
N:cranial nerve XI |
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Term
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Definition
O:spinous processes of middle & lower thoracic vertebrae
I:base of scapular spine
A:scapular depression & upward rot.
N:cranial nerve XI |
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Term
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Definition
O:transverse processes of C1-C4
I:vertebral border of scapula b/t superior angle and spine
A:scapular elevation & downward rot.
N:C4 & C5, dorsal scapular nerve C5 |
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Term
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Definition
O:spinous processes of C7-T5
I:vertebral border of scapula b/t spine and inferior angle
A:scapular retraction, elevation, & downward rot.
N:dorsal scapular nerve(C5) |
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Term
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Definition
O:lateral surface of upper eight ribs
I:vertebral border, anterior surface
A:scapular protraction & upward rot.
N:long thoracic nerve (C5-C7) |
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Term
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Definition
O:anterior surface, third thru fifth ribs
I:coracoid process of scapula
A:scapular depression, protraction, downward rot., & tilt
N:medial pectoral nerve (C8,T1) |
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