Arms Flashcards
Pectoralis Major
Origin- Clavicle, sternum, rib cartilage
Insertion- Humerus
Action- Moves humerus
Latissimus Dorsi
Origin- Thoracic and lumbar vertebrae, sacrum, ilium, ribs
Insertion- Humerus
Action- Moves humerus
Deltoid
Origin- Acromial end of clavicle, acromion and spine of scapula
Insertion- Deltoid tuberosity of humerus
Action- Moves Humerus
Biceps Brachii
Origin- Tubercule superior to glenoid cavity and coracoid process of scapula
Insertion- Radial tuberosity of radius
Action-Moves radius and ulna
Triceps Brachii
Origin- One location on scapula, two locations on humerus
Insertion- Olecranon process of ulna
Action- Moves radius and ulna
Brachioradialis (top of forearm)
Origin- Lateral border of distal end of humerus
Insertion- Superior to styloid process of radius
Action- Flexes forearm at elbow joint; supinates and pronates forearm