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