Muscle Anatomy Quiz

What is the origin of the iliocostalis muscle?

• Iliac crest and sacrum

• Transverse process of thoracic vertebrae

• Clavicle

• Lateral epicondyle

Where does the biceps brachii muscle insert?

• Coronoid process of the ulna

• Styloid process of the radius

• Tuberosity of the radius

• Greater tubercle of the humerus

Which muscle originates from the clavicle, spine, and acromion of the scapula?

• Brachialis

• Deltoid

• Pectoralis major

• Latissimus dorsi

What is the insertion point of the pectoralis major muscle?

• Deltoid tuberosity of the humerus

• Greater tubercle of the humerus

• Metacarpals

• Styloid process of the radius

Which muscle extends the wrist and abducts the hand?

• Flexor carpi ulnaris

• Extensor carpi radialis

• Brachioradialis

• Coracobrachialis

Which muscle is responsible for drawing the scapula forward, medialward, and downward?

• Rhomboideus major

• Pectoralis minor

• Serratus anterior

• Supraspinatus

What is the function of the supraspinatus muscle?

• Extends the forearm

• Abducts the arm

• Elevates the mandible

• Retracts the tongue

Which muscle elevates the mandible?

• Masseter

• Sternocleidomastoid

• Styloglossus

• Triceps brachii

What is the action of the sternocleidomastoid muscle?

• Elevates the hyoid bone

• Draws the mastoid process down toward the same side

• Medially rotates the arm

• Extends the forearm

Which muscle retracts and elevates the tongue?

• Stylohyoid

• Styloglossus

• Subscapularis

• Serratus anterior