muscular system upper limbs shoulder joint
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18 terms
Terms | Definitions |
|---|---|
Origin of latissmus Dorsi | Thoracolumbar aponeurosis,Lower 6 spinous process,sacrum,Iliac crest,Lower 3 to 4 ribs,Inferior Angle of Scapula |
Insertion of Latissimus Dorsi | Intetubercular ( bicipital ) grove of humerus |
Action of Latissimus Dorsi | Extenstion of humerous,Medial rotation of humerous, Adduction of humerous |
Teres Major is also known as | Little Lats |
Orgin of Teres Major | Inferior angle of scapula lower1/3 axillary border of scapula |
Insertion of Teres major | Bicipita (Intertabercular) groove (medial lip) |
Action of Teres Major | Extension of humerus, medial rotation of humerous, adduction of humerus |
Origin of Middle Deltoid | Acromion Process (lateral) |
Insertion of Middle Deltoid | Deltoid tuberisity |
Action of Middle deltoid | Abduction of humerus from 10 - 90 degres |
Origin of Anterior Deltoid | Lateral 1/3 of clavicle |
Insertion of Anterior Deltoid | Deltoid tuberosity |
Action of Anterior Deltoid | flexionof humerus,medial rotationof humerus, horizontal adduction of humerus |
Origin of Posteior Deltoid | Spine of scapula |
Insertion of Posteior Deltoid | Deltoid Tuberosity |
Action of Posteior Deltoid | Extention of humerus, lateral rotation of humerus,horizontal abduction of humerus |
Pectoralis major | Effective in flexing the shoulder joint |
Pectoralis Minor is lacated deep to pectoralis Major | true |
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