Subclavius Muscle Quiz

What is the origin of the subclavius muscle?

• On the second rib

• On the first rib at the junction with the costal cartilage

• On the sternum

• On the scapula

Where does the subclavius muscle insert?

• On the subclavian groove of the clavicle

• On the spine of the scapula

• On the coracoid process

• On the acromion process

What is the primary action of the subclavius muscle when it contracts?

• Rotates the clavicle laterally

• Depresses the clavicle inferiorly and anteriorly

• Elevates the clavicle

• Stabilizes the scapula

Which of the following best describes the direction in which the subclavius muscle projects?

• Lateral and superior

• Superior and posterior

• Medial and inferior

• Inferior and anterior

What is the significance of the subclavian groove?

• It is a groove for the subclavian artery

• It is the insertion point for the subclavius muscle

• It is a landmark for the brachial plexus

• It is where the pectoralis major inserts