Lab E Flashcards
Pectoralis Minor Actions (2)
Depress scapula and shoulder; abduct the scapula and protract the shoulder
Pectoralis minor origin
R3-R5
Pectoralis minor insertion
scapula: coracoid process
serratus anterior actions (2)
Depress scapula and shoulder; abduct the scapula and protract the shoulder
serratus anterior origin
ribs
serratus anterior insertion
scapula: medial border
trapezius actions (2)
elevate or depress scapula and shoulder; adduct scapula and retract shoulder
trapezius origin
Occipital and vertebrae
trapezius insertion
acromion and spine of scapula; clavicle
levator scapulae action (1)
elevate scapula and shoulder
levator scapulae origin
Vertebrae C1-C4
levator scapulae insertion
Scapula: superior angle, medial border
rhomboid minor actions (2)
elevate scapula and shoulder; adduct scapula and retract shoulder
rhomboid minor origin
Vertebrae: C7-T1
rhomboid minor insertion
scapula: medial border
rhomboid major actions (2)
elevate scapula and shoulder; adduct scapula and retract shoulder
rhomboid major origin
vertebrae: T2-T5
rhomboid major insertion
scapula: medial border
Pectoralis Major actions (3)
flex humerus, adduct humerus, medially rotate humerus
pectoralis major origin
clavicle, sternum, ribs
pectoralis major insertion
humerus: intertubercular sulcus
latissimus dorsi actions (3)
extend humerus, adduct humerus, medially rotate humerus
latissimus dorsi origin
vertebrae, ribs, ilium
latissimus dorsi insertion
humerus: intertubercular sulcus