Trauma (Upper Extremity)

trauma-upper-extremity

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Question 1 of 1

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496138

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Nerve entrapment from distal 3rd humerus fracture (~7% of all humeral shaft fractures) (p. 1289):

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Explanation

*Thurstan-Holland- triangular medial metaphyseal fragment often seen in SH II injuries. *Hahn-Steinthal- Large osseous piece of the capitellum involved. *Kocher-Lorenz- Shear fracture of articular cartilage; Articular cartilage separation with very little subchondral bone attached.*Holstein-Lewis- Spiral fracture of the distal one-third of the humeral shaft commonly associated with neuropraxia of the radial nerve

496139

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The following are TRUE except (p. 1288):

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496140

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Provides best visualization of distal humerus articular fracture (p. 1249):

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496141

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Fracture which involves the capitellar articular surface along with the subchondral bone (p. 1237):

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Explanation

496142

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Not a part of the LCL complex of the elbow (p. 1240):

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496143

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Musculofascial band approx. 8cm proximal to medial epicondyle which is a potential area of ulnar nerve compression (p. 1240):

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496144

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The primary static stabilizer of the shoulder against anterior and inferior humeral translation in abduction and external fixation (disrupted in Bankart lesions; p. 1511):

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496145

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Compared to a cortical screw, a cancellous bone screw has (p. 209):

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496146

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In an untapped hole, only 5% of torque is used to produce compression in cortical bone. How much percent is the generated compressive force in a tapped hole? (p. 18)

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496147

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This improves pull-out strength of screws in cancellous bone (p. 19):

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496148

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The following are TRUE regarding the motions of the clavicle at the sternoclavlicular joint EXCEPT (p. 1610):

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Explanation

With full overhead motion the clavicle ELEVATES by 35 degrees

496150

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AC ligaments and CC ligaments are all disrupted with noted posterior displacement of distal clavicle towards the Trapezius muscle. This would be classified as Tossy-Rockwood type (p. 1584):

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Explanation

Remember: 1-2-3-P-S-I

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Trauma (Upper Extremity)

Question 1 of 1

Time Left

Nerve entrapment from distal 3rd humerus fracture (~7% of all humeral shaft fractures) (p. 1289):

Select the correct answer(s).

(0/0)

Explanation

The following are TRUE except (p. 1288):

Select the correct answer(s).

(0/0)

Provides best visualization of distal humerus articular fracture (p. 1249):

Select the correct answer(s).

(0/0)

Fracture which involves the capitellar articular surface along with the subchondral bone (p. 1237):

Select the correct answer(s).

(0/0)

Explanation

Not a part of the LCL complex of the elbow (p. 1240):

Select the correct answer(s).

(0/0)

Musculofascial band approx. 8cm proximal to medial epicondyle which is a potential area of ulnar nerve compression (p. 1240):

Select the correct answer(s).

(0/0)

The primary static stabilizer of the shoulder against anterior and inferior humeral translation in abduction and external fixation (disrupted in Bankart lesions; p. 1511):

Select the correct answer(s).

(0/0)

Compared to a cortical screw, a cancellous bone screw has (p. 209):

Select the correct answer(s).

(0/0)

In an untapped hole, only 5% of torque is used to produce compression in cortical bone. How much percent is the generated compressive force in a tapped hole? (p. 18)

Select the correct answer(s).

(0/0)

This improves pull-out strength of screws in cancellous bone (p. 19):

Select the correct answer(s).

(0/0)

The following are TRUE regarding the motions of the clavicle at the sternoclavlicular joint EXCEPT (p. 1610):

Select the correct answer(s).

(0/0)

Explanation

AC ligaments and CC ligaments are all disrupted with noted posterior displacement of distal clavicle towards the Trapezius muscle. This would be classified as Tossy-Rockwood type (p. 1584):

Select the correct answer(s).

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Explanation

Some AC joint injuries are associated with a fracture of the coracoid process. The best radiographic view for visualizing this is the (p. 1581):

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This is the key valgus stabilizer of the elbow (p. 1183)

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All are considered dynamic stabilizers of the elbow EXCEPT (p. 1183):

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