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What are the weakest parts of the clavical?
- - The apex
- - THe junction between the two curves of the bone.
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How many muscles are attached to the clavical.
- - 5
- - Trapezius, sternocleidomastoid, deltoid, pectoral major,
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How many joints does the clavical have? With what bones?
- - 2 joints: Sternoclavicular joint / acromioclavicular
- - Sternum / scapula
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What is joint between the acromion and clavicle?
acromioclavicular joint
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What is the characteristic of trauma to cause a fracture of the clavical?
- Fall on outstretched hands (indirect)
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How does the scapula hang along with the thoracic cage?
It is not part of the thoracic cage
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How many joints does the scapula have?
3: acromioclavicular, glenohumeral, coracoclavicular
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How many processes does the scapula have?
3: spine acromin, coracoid
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How many fossae does the scapula have?
3: supraspinous, infraspinous, subscapularous
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What is the glenoidal labrum for?
Deepens the articular cavity
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How many muscle attachments does the scapula have?
18
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How many necks does the humerus have?
2: Anatomical and surgical neck
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What neck is clinically important?
surgical- fracture site
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What structure is running through the intertubercular groove?
Also named the Bicipital groove: tendon of the long head of the biceps.
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How many muscles attach to the greater tubercle?
- - Supraspinatus
- - Infraspinatus
- - Teres Minor
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How many muscles attach to the lesser tubercle?
1: subscapularis
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