Biomechanics Word Scramble
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Question | Answer |
Where do most dislocations occur in GH joint? | Anterior, since there is more stability on glenoid from top to bottom. |
Which shoulder muscles are SPINO-SCAPULAR? | Rhomboids, Traps, Levator, (Latiss. Dorsi) |
Which shoulder muscles are SPINO-HUMERAL? | Latissimus Dorsi |
Which shoulder muscles are SPINO-CLAVICULAR? | Traps |
Which shoulder muscles are SCAPULO-HUMERAL? | Supraspinatus, Infraspinatus, Subscapularis, Teres Minor, Posterior Delt, Teres Major, Triceps, Biceps, Coracobrachilalis |
Which shoulder muscles are CLAVICULO-HUMERAL? | Anterior Deltoid, Pec Major (Clavicular) |
Which shoulder muscles are THORACO-HUMERAL? | Pec Major |
Which shoulder muscles are THORACO-SCAPULAR? | Pec Minor, Serratus Anterior |
When does Clavicular Elevation begin, during UE Elevation? | Begins early and ends @ 90-100 degrees of humeral elevation |
What is the ratio of Clavicular to Humeral elevation | 4:1 |
Where is the joint axis through the clavicle? | At the sternal end of the clavicle |
How far does the AC joint widen during retraction? | 10 degrees |
During which motion does the AC joint narrow? | Protraction |
Where is the joint axis for protraction/retraction at AC joint? | Motion occurs through the vertical axis of the clavicle |
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