Term
in resting position the scapula is located between the ___ and
___ribs. It is __ to __ inches Lateral from the ___________. |
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Definition
2nd and 7th ribs.
2-3 inches lateral from the spinous processes of the vertbra. |
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Term
The reference point for upward or downward rotation of the scapula is ______. |
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Definition
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Term
What kind of joint is the sternoclavicular joint? |
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Definition
It is a synovial joint and has a joint capsule. |
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Term
The sternoclavicular joint has Three ligaments. Name them and list the attachment points. |
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Definition
Sternoclavicular ligament Attaches to the sternum and the clavicle on both the anterior and posterior sides. It reinforces the joint capsule
Interclavicular ligament. attaches to the right and left superior sternal ends of the clavicles.
Costoclavicular ligaments are between the superior surface of the costal cartilage of the first rib and the inferior surface of the clavicle on both sides of the body. |
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Term
The sternoclavicular joint motions are _____ and _____. Where does the joint move during each motion? |
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Definition
during shoulder girdle elevation and depression motion occurs between the clavicle and the disk.
during Protraction and retraction of the scapula motion occurs between the sternum and the disk. |
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Term
The acromioclavicular joint is what type of joint? |
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Definition
plane shaped synovial joint. |
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Term
The acromioclavicular joint has how many planes of motion? |
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Definition
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Term
the AC joint or acromioclavicular joint has Three ligaments name them. |
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Definition
Acromioclavicular ligament (superior and inferior)
Coracoclavicular ligament
coracoacromial ligament. |
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Term
The coracoacromial ligament forms and arch over the head of the humerus. What does the provide? |
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Definition
provides support when an upward force is directed along the humerus. Prevent dislocation. |
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Term
What are the motions of the shoulder girdle? |
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Definition
Elevation/depresison
protraction/retraction
upward/downward rotation
tilt |
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Term
The first 30° of shoulder joint motion is pure shoulder motion. After that for every 2° of shoulder flexion or abbduction that occurs the scapula must upwardly rotate by 1°. What is this called? |
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Definition
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Term
What are the muscles of the shoulder girdle? |
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Definition
Trapezius
Rhomboids
Levator scapulae
Serratus anterior
Pectoralis minor |
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Term
Which three muscles of the shoulder girdle form a force couple to upwardly rotate the scapula. |
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Definition
Upper Trapezius
Serratus Anterior
Lower trapezius
page 103 |
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Term
Which three muscles of the shoulder girdle form a force couple to downwardly rotate the scapula? |
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Definition
Levator Scapulae
Rhomboids
Pectoralis minor |
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Term
When the scapula is fixed reversal of muscle action allows the trapezius muscle to perform what actions? |
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Definition
The upper trapezius plays a role in moving the head and neck. Neck extension, lateral sidebending same side, and rotation to opposite side are assisted by the upper trapezius when the scapula is fixed. |
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Term
When the scapula is fixed the levator scapula reversal of muscle action results in what motions? |
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Definition
Levator scapulae can assist the spenius cervicis in rotating and laterally bending the neck ipsilaterally(same side) |
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Term
The spine of the scapula is about level with the spinous proceses of the ___ and ___ vertebra |
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Definition
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Term
The sternoclavicular joint is the only bony attachment the shoulder has to the body. T OR F |
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Definition
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Term
T or F
The articular disk of the sternoclavicular joint serves as a shock absorber. |
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Definition
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Term
The primary purpose of the Costoclavicular ligament is to ___________. |
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Definition
limit the amount of clavicular elevation |
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Term
The purpose of the interclavicular ligament is to ____ |
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Definition
limit the amount of clavicular depression |
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Term
What two muscles are the prime movers in scapular retraction? |
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Definition
Romboids
Middle trapezius
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Term
what two muscles are the prime movers in scapular protraction? |
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Definition
Serratus anterior
pectoralis minor |
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Term
What three muscles are the prime movers of elevation? |
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Definition
Levator scapula
rhomboids
upper trapezius |
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Term
what two muscles are the prime movers of depression? |
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Definition
Lower tapezius
pectoralis minor |
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Term
What three muscles are the prime movers of upward rotation |
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Definition
Upper and lower trapezius
seratus anterior |
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Term
what three muscles are the prime movers of downward rotation
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Definition
rhomboids
levator scapula
pectoralis minor |
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Term
How many muscles are prime movers in scapular tilt? |
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Definition
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