8. UE - Arthrology

Question 1

The shoulder girdle is composed of which bones (4)?

Answer 1

Manubrium
Clavicle
Scapula
Humerus

Question 2

The shoulder girdle is composed of which joints (3)?

Answer 2

Sternoclavicular Joint (Sellar Synovial Joint; between the Clavicular Notch of the Manubrium and Sternal Facet on Sternal End of the Clavicle)

Acromioclavicular Joint (Planar Synovial Joint; between the Acromial Facet on the Acromial End of the Clavicle and the Facet on the Acromion of the Scapula)

Glenohumeral Joint (Spheroidal Synovial Joint; between the Glenoid Cavity of the Scapular Head, which is deepened and supported by the Glenoid Labrum and the Head of the Humerus)

Question 3

The elbow is composed of what 4 features?

Answer 3

Articular Capsule (surrounds the joint)

Humeroulnar Joint (Trochlear Notch of Ulna wrapping around Humeral Trochlea)

Humeroradial Joint (Humeral Capitulum articulating with the Fovea of the Radial Head)

Bursae of the Elbow Joint

Question 4

The ______________ is susceptible to injury and separation, often referred to as “Shoulder separation,” and is capable of separating with or without rupture of the Coracoclavicular L.

Answer 4

• Acromioclavicular Joint

Question 5

The ____________ is susceptible to dislocation due to its mobility and relative instability. Due to the presence of the Coracoacromial Arch, dislocation of the ___________ most commonly occurs _______ or _______.

Answer 5

• Glenohumeral Joint
• Glenohumeral Joint
• Anteriorly
• Inferiorly

Question 6

The Elbow is capable of being dislocated posteriorly in response to force transmitted along the long axis of the Forearm, this usually involves a tear in the ____________.

Answer 6

Ulnar Collateral L.

Question 7

Two of the more common Bursae to become inflamed are the Subcutaneous Olecranon Bursa and the Bicipitoradial Bursa. Subcutaneous Olecranon Bursitis results from excessive friction between the Skin and the Olecranon and is commonly called what?

A. Miner’s Elbow
B. Dart Thrower’s Elbow
C. Student’s Elbow
D. All of the above

Answer 7

D. All of the above

Question 8

The Radial Head is capable of being dislocated out of the ______ to varying degrees, this injury typically occurs from pulling on the arm of a child, sometimes called _________ or __________.

Answer 8

• Annular L.
• “Nursemaid’s Elbow”
• “Pulled Elbow”

Question 9

Sprain of the _________ and even avulsion of the lateral Part of the Proximal Phalanx of the Thumb is an injury common to individuals who ride a Mechanical Bull and is therefore known as “Bull Rider’s Thumb.”

Answer 9

Lateral Collateral L.

Question 10

Laxity or rupture of both __________ of the 1st ___________ Joints results in a ___________ of that joint and is referred to as “Skier’s Thumb,” or “Game-keeper’s Thumb.”

Answer 10

• Collateral ligaments
• Metacarpophalangeal
• Hyperabduction

Question 11

Sudden ________ of the __________ can avulse the attachment of the long extensor tendon with that tendon away from the Distal Phalanx, a condition known as “Mallet Finger,” or “Baseball Finger.”

Answer 11

• Hyperflexion

- Distal Interphalangeal Joint

Question 12

Irritation of the _________ can cause an accumulation of mucopolysaccharide fluid that can form a usually painless lump known as a _______, or _______ Cyst. Infections of the _________ can cause swelling in very specific and characteristic configurations that follow the shapes of these sheaths.

Answer 12

• Synovial Sheaths
• Synovial
• Ganglion
• Synovial Sheath

Question 13

__________ is a disease resulting in the shortening, thickening and fibrosis of the ___________ and _________, which results in a partial flexion of the 4th and 5th Digits.

Answer 13

• Dupuytren Contracture
• Palmar Aponeurosis
• Palmar Fascia