Muscular System Flashcards
O: neck and thorax
I: scapula
A: elevate the shoulder
Trapezius
O: neck and thorax
I: scapula and scapular cartilage
A: elevate the limb
Rhomboideus
O: clavicular intersection
I: humerus and skull
A: pull limb forward or flex neck laterally
Brachiocephalicus
O: wing of the atlas
I: scapula
A: pull the limb cranially
Omotransversarius
O: sternum
I: mandible
A: flexes neck, turns head
Sternomandibularis
O: sternum
I: humerus
A: adduct the limb
Superficial pectoral
O: sternum
I: humerus
A: adduct and retract limb
Deep pectoral
O: thoracic and lumbar vertebrae
I: humerus
A: flex shoulder joint or advance the body
Lattissimus dorsi
O: cervical vertebrae and ribs
I: scapula
A: support and elevate the trunk
Serratus ventralis
O: scapula
I: humerus
A: stabilize and extend shoulder joint
Supraspinatus
O: scapula
I: humerus
A: stabilize, flex, and extend shoulder joint
Infraspinatus
O: scapula
I: humerus
A: flex the shoulder joint
Deltoideus
O: scapula, humerus
I: olecranon
A: extend the elbow joint, long head flexes shoulder joint
Triceps brachii
O: scapula
I: radius
A: flex elbow joint, extend shoulder joint
Biceps brachii
O: humerus
I: radius
A: flex elbow joint
Brachialis
