Arms

Question 1

Pectoralis Major

Answer 1

Origin- Clavicle, sternum, rib cartilage
Insertion- Humerus
Action- Moves humerus

Question 2

Latissimus Dorsi

Answer 2

Origin- Thoracic and lumbar vertebrae, sacrum, ilium, ribs
Insertion- Humerus
Action- Moves humerus

Question 3

Deltoid

Answer 3

Origin- Acromial end of clavicle, acromion and spine of scapula
Insertion- Deltoid tuberosity of humerus
Action- Moves Humerus

Question 4

Biceps Brachii

Answer 4

Origin- Tubercule superior to glenoid cavity and coracoid process of scapula
Insertion- Radial tuberosity of radius
Action-Moves radius and ulna

Question 5

Triceps Brachii

Answer 5

Origin- One location on scapula, two locations on humerus
Insertion- Olecranon process of ulna
Action- Moves radius and ulna

Question 6

Brachioradialis (top of forearm)

Answer 6

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