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Palpations

Origins/insertions/action/innervations

Muscle Name O/I/A/
Anterior Deltoid O: Lateral 1/3 of clavicle, acromion & spine of scapula I: deltoid Tuberosity A: Flex the shoulder, Internally rotate the shoulder, Horizontally ADDuct
Posterior Deltoid O: Lateral 1/3 of clavicle, acromion & spine of scapula I: deltoid Tuberosity A: Extend the Shoulder, externally rotate shoulder, horizontally ABD
Upper Trapezius O: External occipital protuberance, medial portion of the super nuchal line of the occiput, ligamentum nuchae & spinous processes I: lateral 1/3 of clavicle, acromion, and spine of scapula A: Bilat- ext the head & neck/ Uni- lateral flex, rot. to opp
Middle Trapezius O: External occipital protuberance, medial portion of the super nuchal line of the occiput, ligamentum nuchae & spinous processes I: lateral 1/3 of clavicle, acromion, and spine of scapula A: ADDuct scapula
Lower Trapezius O: External occipital protuberance, medial portion of the super nuchal line of the occiput, ligamentum nuchae & spinous processes I: lateral 1/3 of clavicle, acromion, and spine of scapula A: Depress the scapula
Lattisimus Dorsi O: inferior angle of the scapula, SP of last 6 vertebrae, last 3-4 ribs, thoracolumbar aponeurosis & posterior iliac crest I: Intertubercular groove of the humerus A: Ext the shoulder, ADDuct the shoulder, Int Rot shoulder
Teres Major O: Inferior angle & lower 1/3 of lateral border of the scapula I: crest of the lesser tubercle of the humerus A: Ext the shoulder, ADDuct the shoulder, Int Rot shoulder
Supraspinatus O: supraspinous process fossa of the scapula I: greater tubercle of the humerus A: ABDuct shoulder
Infraspinatus O: Infraspinous fossa of the scapula I: greater tubercle of the humerus A: Ext Rot, ADDuct shoulder
Teres Minor O: upper 2/3 of lateral border of the scapula I: greater tubercle of the humerus A: Ext Rot, ADDuct shoulder
Subscapularis O: Subscapular fossa of the scapula I: Lesser tubercle of the humerus A: Int Rot shoulder
Created by: lakenhill10
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