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
teres major actions (2)
extend humerus, medially rotate humerus
coracobrachialis actions (2)
flex humerus, medially rotate humerus
coracobrachialis origin
scapula: coracoid process
coracobrachialis insertion
humerus: shaft
supraspinatus action (1)
abduct humerus
supraspinatus origin
scapula: supraspinous fossa
supraspinatus insertion
humerus: greater tubercle
infraspinatus action
laterally rotate humerus
infraspinatus origin
scapula: infraspinous fossa
infraspinatus insertion
humerus: greater tubercle
teres minor action (1)
laterally rotate humerus
teres minor origin
scapula: lateral border
teres minor insertion
humerus: greater tubercle
subscapularis action (1)
medially rotate humerus
subscapularis origin
scapula: subscapular fossa
subscapularis insertion
humerus: lesser tubercle
deltoid (anterior head) action
flex humerus
deltoid (lateral head) action
abduct humerus
deltoid (posterior head) action
extend humerus
deltoid origin
acromion and spine of scapula, clavicle
deltoid insertion
deltoid tuberosity of humerus
Brachialis actions (1)
flex elbow
brachialis origin
distal humerus
brachialis insertion
ulna: coronoid process
biceps brachii, long head actions (2)
flex elbow, supinate elbow