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Anatomy Stack 1
Muscles- arm/shoulder
| Question | Answer |
|---|---|
| Trapezius muscle- insertion, origin and function | I:clavicle/scapula O:occipital, cervical/thoracic vertebrae. Function: shrugs shoulders, raises head |
| Levator scapulae- insertion, origin and function | I: scapula O:C1-C4, function: elevates/retracts scapula, abducts neck |
| Deltoid- insertion, origin and function | I: humerus deltoid tubercule O: clavicle/scapula Function: abducts arm/ assists flexion/extension |
| Teres major- insertion, origin and function | I:upper anterior humerus O: lower scapula Function: extension, adduction & medial rotation |
| Teres minor- insertion, origin and function | I: humerus greater tubercle O:axiallary scapula Function: rotates arm outward |
| Supraspinatus- insertion, origin and function | I: humerus greater tubercle O: scapula supraspinous fossa Function: arm abduction |
| Pectoralis major- insertion, origin and function | I: humerus greater tubercle O: clavicle/sternum/costal cartilage Function: arm flexion/adduction |
| Latissimus dorsi- insertion, origin and function | I: humerus intertubercular groove O: vertebral spines l. thoracic, lumbar & sacral Function: arm extension/adduction |
| Pectoralis minor- insertion, origin and function | I: scapula coracoid O: ribs 2-5 Function: pulls shoulder down and forward, ribs upward |
| Rhomboid major- insertion, origin and function | I: scapula medial border O: T1-4 Function: retracts, rotates, fixes scapula |