What's the Diagnosis?
Olecranon Bursitis
What nerve is most commonly injured with humeral shaft fracture?
Radial nerve
What is the carrying angle of the elbow?
Degree of cubitus valgus, formed between the axis of a radially deviated forearm and the axis of the humerus
Working out when he heard a loud pop.
What's the diagnosis
Biceps tendon rupture (Popeye's sign)
Resisted ___ and ___ of wrist can reproduce the pain of medial epicondylitis?
Flexion and Pronation
30 year old computer programmer, paresthesias of 4th and 5th fingers, weak grip, pain worse with Tinel's at elbow
Lateral epicondylitis is associated with pathology in which muscle tendon
ECRB (Stabilizes wrist when elbow is straight)
Ultrasound of Medial elbow demonstrates increased joint space with valgus force. What's the diagnosis
Medial (Ulnar) Collateral Ligament Injury
What's the most common direction for elbow dislocation and what percentage of dislocations are in this direction
Posterior, 98%, most commonly from FOOSH
Name two things to change about a tennis racket to decrease pain from lateral epicondylitis
2 year old child presents with R elbow pain, swelling, reduced ROM after Mom yanks arm while walking with her to stop her from falling
Nursemaid's elbow: axial traction while arm extended and pronated, causing subluxation of radial head under the annular ligament
Injury to which nerve is associated with Medial Epicondylitis?
Ulnar nerve (caused by valgus stretch of the nerve)
What protocol of XR should you order to evaluate for LCL injury, and what would you expect to see?
Varus Stress Radiograph would demonstrate increased joint space
Olecranon Fractures are most closely associated with injury to which nerve
Ulnar nerve
What is the name of this test and what is it used to diagnose?
Cozen's Test for Lateral epicondylitis (Palpate over extensor tendons, make fist, pronate arm, radial deviate and extend wrist against resistance.
Recurrent locking/clicking of elbow with extension and supination, lateral elbow pain or instability with varus stress while elbow flexed. What's the diagnosis
Lateral (Radial) Collateral Ligament Sprain/Tear
Which bone, artery and nerve are most commonly injured with an elbow dislocation?
Radial Head, Brachial Artery, Median Nerve
8 year old child with diffuse right elbow pain, decreased elbow extension, XR shows osteochondrosis of capitellum. What's the diagnosis?
Panner's Disease
For unilateral elbow arthodesis, at what angle should elbow be fused?
90 degrees of flexion for unilateral. (65 and 110 for bilateral)
Posterior Interosseous Neuropathy is commonly misdiagnosed as which common sports related pathology
Lateral Epicondylitis
What is the pathophysiology of Panner's disease?
(Osteochondrosis of Capitellum) Aseptic necrosis of capitellum caused by disruption of blood supply, leading to resorption of ossification center, followed by repair
Name 3 structures that can compress the median nerve at the elbow/proximal forearm
Ligament of Struthers, Supracondylar Spur, Bicipital Aponeurosis, Pronator Teres, between the two heads of the FDS
Baseball pitcher develops posterior elbow pain, catching and locking of elbow during extension, XR demonstrates loose body and osteophyte at olecranon. What's diagnosis?
Valgus Extension Overload Syndrome (repeptitive abutment of olecranon against olecranon fossa)
Name 4 possible complications of distal humerus fracture (radial, median, ulnar nerve, vascular, nonunion, contracture)
Radial nerve injury, Median Nerve injury, Ulnar Nerve injury, arterial injury, nonunion and joint contracture
An 11 year old baseball player presents with medial elbow pain. XR demonstrates 8mm separation of medial epicondyle. Management ?
Surgery (medial epicondyle avulsion of >5mm requires surgery)
Describe the 3 (4) classes of radial head fractures
1. Nondisplaced
2. Marginal Radial head fracture/min displacement
3. Comminuted Fracture
4. Fracture with elbow dislocation