NMT QUIZ 4 Flashcards
Pectoralis Major ORIGIN
Medial 1/2 of clavicle
Sternum
Cartilage of ribs 1-6
Pectoralis Major INSERTION
Crest of greater tubercle of humerus
Pectoralis Major ACTION
All Fibers:
Adduct shoulder
Medially rotate shoulder
UPPER Fibers:
Flex shoulder
Horizontal Adduction
LOWER Fibers:
Extend Shoulder
Pectoralis Minor ORIGIN
Ribs 3-5
Pectoralis Minor INSERTION
Medial surface of coracoid process of scapula
Pectoralis Minor ACTION
Depress scapula
Abduct scapula
Downwardly rotate scapula
Serratus Anterior ORIGIN
External surfaces of upper 8 or 9 ribs
Serratus Anterior INSERTION
Anterior surface of medial border of scapula
Serratus Anterior ACTION
Abduct scapula
Upwardly rotate scapula
Depress scapula
Hold the medial border of scapula against rib cage