Anatomy Quiz

What kind of joint is the proximal radioulnar joint?

• Hinge

• Saddle

• Pivot

• Ball and socket

The clavicle is the only connection of the upper extremity to the axial skeleton.

• True

• False

Which of the following muscles does NOT originate on the scapula?

• Omohyoid

• Latissimus dorsi

• Short head of triceps brachii

• Coracobrachialis

Which of the following describes the orientation of the humeral head in the glenoid fossa (i.e. which direction does it face)?

• Medial and posterior

• Medial and anterior

• Lateral and posterior

• Lateral and anterior

A surgical neck fracture of the humerus is associated with radial nerve injury.

• True

• False

How many X Ray views are necessary to make a diagnosis?

• 1

• 2

• 3

• 4

Which of the following is not a dynamic stabilizer of the glenohumeral joint?

• Rotator cuff muscles

• Long head of biceps tendon

• Glenohumeral ligaments

• Periscapular muscles

Which of the following describes the arthrokinematics at the SC joint during clavicle elevation?

• Superior roll, inferior glide

• Superior roll, superior glide

• Inferior roll, superior glide

• Inferior roll, inferior glide

Which of the following describes the arthrokinematics at the SC joint during clavicle protraction?

• Anterior roll, anterior glide

• Anterior roll, posterior glide

• Posterior roll, posterior glide

• Posterior roll, anterior glide

From the resting position, the SC joint only rotates anteriorly.

• True

• False