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24 Cards in this Set
- Front
- Back
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2 bones of shoulder girdle |
Scapula and Clavicle |
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Function of shoulder girdle |
Link apendicular skeleton to axial skeleton (sternoclavicular joint attached entire arm) |
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Anatomy of scapula |
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Purpose of s-curve in clavicle |
Reduces force on sternoclavicular joint from lateral impact |
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Where does the clavicle articulate |
Articulates laterally with the Acromion of the scapula, and medially with Manubrium of the sternum |
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Cleidocranial Dysplasia |
Absence of clavicle |
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Angle of shoulder girdle |
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Motions of shoulder girdle |
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Acromioclavicular Joint |
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Sternoclavicular joint |
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CC ligaments |
Corocoid ligaments |
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Coracoclavicular (CC) Joint |
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Coracoacromial Joint |
Connects two processes of same bone (scapula). Not a "true" joint. |
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Shoulder Girdle muscle must have... |
Attachment on scapula /clavicle Attachment on Axial skeleton |
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Origin |
Most stable muscle attachment |
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Insertion |
More moveable muscle attachment |
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Reverse muscle action |
Bring ORIGIN to INSERTION |
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Rhomboids (and Actions) |
Retraction Downward rotation Elevation |
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Rhomboids O & I |
O: cervical vertibra I: Scapula |
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"Best" strengthening exercise? |
Utilizes as many concentric actions simultaneously as possible. Consider specificity |
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"Best" stretch? |
Use as many motions OPPOSITE muscles concentric functions as possible |
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Swimmers Slouch |
Over developed anterior chest and shoulders Stretched Rhomboids Transfers problems to spine |
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Levator Scapula (and Actions) |
Elevation Retraction Downward rotation |
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Levator Scapula O & I |
O: transverse process of cervical I: superior angle of scapula |
