Summary: P2 Study Table: Trunk Shoulders And Back
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1.22 P2 study table: trunk shoulders and back
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origin is sternum and clavicle
pectoralis major -
insertion is proximal humerus
pectoralis major
latissimus dorsi -
pectoralis major action
pulls humerus forward
flexes/ extends/ adducts humerus -
action is flexing/ extending/ adducting humerus
pectoralis major -
serratus anterior origin
ribs 1 - 8 -
insertion is lateral border of scapula
serratus anterior -
action is forward movement of scapula around thoracic cage
serratus anterior -
action is flexion of lumbar spine
rectus abdominis -
external oblique origin
rib 5 - 12 -
insertions are iliac crest and pubic tubercle
external oblique
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