This practice set contains high-yield board review questions covering key concepts in Shoulder & Hip Sports. Each clinical scenario is designed to test your diagnostic and management skills relevant to this subspecialty.
Question 2501
Topic: Shoulder & Hip Sports
A 22-year-old male athlete presents with recurrent anterior shoulder dislocations. An MRI reveals an engaging Hill-Sachs lesion and anterior glenoid bone loss of 25%. What is the most appropriate surgical management for this patient to prevent recurrence?
Correct Answer & Explanation
. Arthroscopic Bankart repair
Explanation
A Latarjet procedure (coracoid transfer) is indicated for patients with recurrent anterior shoulder instability and significant glenoid bone loss (>20-25%). Soft tissue stabilization alone has unacceptably high failure rates in the setting of critical bone loss.
Question 2502
Topic: Shoulder & Hip Sports
A 45-year-old sustains a traumatic anterior shoulder dislocation. Post-reduction imaging shows an anterior glenoid bone loss of 30% and an engaging Hill-Sachs lesion. What is the most appropriate definitive surgical management to prevent recurrent instability?
Correct Answer & Explanation
. Arthroscopic Bankart repair with multiple suture anchors
Explanation
In the setting of anterior shoulder instability with critical glenoid bone loss (>20-25%), soft tissue repairs like the Bankart procedure have a high failure rate. A bony augmentation procedure, such as the Latarjet, is indicated.
Question 2503
Topic: Shoulder & Hip Sports
A 24-year-old athlete sustains a traction injury to the neck and shoulder. Clinical examination reveals profound weakness in shoulder abduction initiation and external rotation, with isolated atrophy of the supraspinatus and infraspinatus. Sensation over the lateral deltoid is intact. From which specific component of the brachial plexus does the affected nerve originate?
Correct Answer & Explanation
. Lateral cord
Explanation
The patient exhibits a suprascapular nerve palsy, innervating the supraspinatus (abduction initiation) and infraspinatus (external rotation). Sensation over the lateral deltoid is intact, distinguishing it from an axillary nerve injury. The suprascapular nerve originates directly from the Upper Trunk (C5, C6) of the brachial plexus.
Question 2504
Topic: Shoulder & Hip Sports
A 25-year-old elite volleyball player complains of vague posterior shoulder pain and weakness. Physical examination reveals isolated weakness in external rotation with the arm at the side, but normal forward elevation and internal rotation. MRI reveals a paralabral cyst. Where is the cyst most likely located to produce this specific deficit?
Correct Answer & Explanation
. Suprascapular notch
Explanation
Entrapment of the suprascapular nerve at the spinoglenoid notch affects only the infraspinatus muscle, leading to isolated external rotation weakness. Entrapment at the more proximal suprascapular notch would affect both the supraspinatus and infraspinatus.
Question 2505
Topic: Shoulder & Hip Sports
In rotator cuff tear arthropathy, the massive, irreparable tearing of the supraspinatus and infraspinatus tendons leads to superior migration of the humeral head. This phenomenon is biomechanically attributed to the disruption of which of the following forces?
Correct Answer & Explanation
. Transverse force couple
Explanation
Superior migration of the humeral head in rotator cuff arthropathy is due to the loss of the coronal plane force couple. Normally, the inferior pull of the rotator cuff balances the superior pull of the deltoid; loss of the cuff allows the deltoid to pull the humeral head superiorly against the acromion.
Question 2506
Topic: Shoulder & Hip Sports
A 22-year-old collegiate rugby player sustains a recurrent anterior shoulder dislocation. A 3D CT scan reveals 25% anterior glenoid bone loss. Which of the following surgical procedures is most appropriate to minimize recurrence?
Correct Answer & Explanation
. Arthroscopic Bankart repair with capsular shift
Explanation
In the setting of significant anterior glenoid bone loss (>20-25%), soft tissue stabilization alone (Bankart repair) has unacceptably high failure rates. A bone-block procedure, such as the Latarjet (coracoid transfer), is indicated to restore the glenoid articular arc and provide a sling effect via the conjoint tendon.
Question 2507
Topic: Shoulder & Hip Sports
A 45-year-old male weightlifter presents with vague posterior shoulder pain and isolated weakness in external rotation. An MRI demonstrates an isolated paralabral cyst in the spinoglenoid notch. Which muscle is most likely to show denervation changes on EMG?
Correct Answer & Explanation
. Supraspinatus
Explanation
A cyst at the spinoglenoid notch compresses the suprascapular nerve after it has already given off motor branches to the supraspinatus, leading to isolated denervation and weakness of the infraspinatus. Entrapment further proximally at the suprascapular notch would affect both the supraspinatus and infraspinatus.
Question 2508
Topic: Shoulder & Hip Sports
A 22-year-old male rugby player presents with recurrent anterior shoulder dislocations. CT imaging with 3D reconstruction reveals a 25% anterior glenoid bone loss. What is the most appropriate surgical management to prevent further recurrences in this high-demand contact athlete?
Correct Answer & Explanation
. Arthroscopic Bankart repair with superior labral repair
Explanation
In patients with recurrent anterior shoulder instability and significant glenoid bone loss (>20-25%), especially high-demand contact athletes, isolated soft tissue stabilization (Bankart repair) has unacceptably high failure rates. The Latarjet procedure (coracoid process transfer) is the gold standard, restoring the glenoid bone track and providing a 'sling effect' from the conjoint tendon.
Question 2509
Topic: Shoulder & Hip Sports
A 13-year-old male baseball pitcher complains of progressive right shoulder pain during the deceleration phase of throwing. Radiographs demonstrate widening and lateral fragmentation of the proximal humeral physis. What is the most appropriate initial management?
Correct Answer & Explanation
. Operative stabilization with smooth K-wires
Explanation
Little Leaguer's shoulder is an epiphysiolysis of the proximal humerus caused by repetitive rotational stress. It is a classic overuse injury in skeletally immature throwers. The mainstay of treatment is absolute cessation of throwing (usually for 3 months) until symptoms resolve and radiographic healing is noted, followed by physical therapy and a gradual return-to-throwing program.
Question 2510
Topic: Shoulder & Hip Sports
A 62-year-old male presents with a massive, irreparable posterosuperior rotator cuff tear with preserved subscapularis function. He has significant external rotation weakness and a positive hornblower's sign. He is not a candidate for reverse total shoulder arthroplasty due to medical comorbidities, but is medically optimized for soft tissue surgery. Which tendon transfer is most appropriate to restore external rotation?
Correct Answer & Explanation
. Pectoralis major transfer
Explanation
Lower trapezius transfer is increasingly preferred for massive irreparable posterosuperior rotator cuff tears to restore external rotation. It has a more favorable line of pull matching the infraspinatus compared to the latissimus dorsi, which requires a significant change in vector. Latissimus dorsi transfers historically have mixed outcomes and lower trapezius transfer with graft augmentation (e.g., Achilles tendon) has shown superior biomechanics for external rotation restoration in modern literature.
Question 2511
Topic: Shoulder & Hip Sports
A 26-year-old elite volleyball player presents with insidious onset, painless weakness of her hitting arm. Examination reveals isolated atrophy and weakness of the infraspinatus with normal supraspinatus strength. An MRI is most likely to show a cyst compressing the nerve at which location?
Correct Answer & Explanation
. Quadrilateral space
Explanation
Compression of the suprascapular nerve at the spinoglenoid notch affects only the infraspinatus muscle. Compression more proximally at the suprascapular notch would denervate both the supraspinatus and infraspinatus.
Question 2512
Topic: Shoulder & Hip Sports
A 48-year-old heavy laborer presents with anterior shoulder pain and clicking. MRI arthrogram reveals a Type II SLAP tear. Conservative management has failed. To optimize his return to heavy labor and minimize postoperative stiffness, what is the best surgical procedure?
Correct Answer & Explanation
. Arthroscopic SLAP repair with suture anchors
Explanation
In older patients or manual laborers with a Type II SLAP tear, primary biceps tenodesis provides more predictable pain relief, a faster return to work, and lower rates of postoperative stiffness compared to SLAP repair.
Question 2513
Topic: Shoulder & Hip Sports
A 40-year-old male experiences a seizure and subsequently complains of shoulder pain with a locked internally rotated arm. Radiographs reveal a "lightbulb" sign on the AP view. What is the most likely associated osseous defect?
Correct Answer & Explanation
. Hill-Sachs lesion
Explanation
Seizures commonly cause posterior shoulder dislocations, recognized by the "lightbulb" sign due to internal rotation of the humeral head. This is frequently associated with an impaction fracture of the anteromedial humeral head, known as a reverse Hill-Sachs lesion.
Question 2514
Topic: Shoulder & Hip Sports
A 22-year-old rugby player presents with recurrent anterior shoulder dislocations. CT imaging demonstrates 25% anterior glenoid bone loss. A Latarjet procedure is planned. Which of the following provides the primary mechanism of stabilization in the Latarjet procedure at 90 degrees of abduction and external rotation?
Correct Answer & Explanation
. The bony block increasing the glenoid articular arc
Explanation
The Latarjet procedure relies on a 'triple blocking' effect. The sling effect of the conjoint tendon (and subscapularis) acting as a dynamic buttress across the anterior-inferior capsule is the primary stabilizer in the vulnerable abducted/externally rotated position, accounting for 50-70% of the restored stability. The bony block and capsular repair provide the remaining stability.
Question 2515
Topic: Shoulder & Hip Sports
A 62-year-old male presents with a massive, irreparable posterosuperior rotator cuff tear. He has profound weakness in external rotation and a positive external rotation lag sign. His subscapularis is fully intact, and he has active forward elevation to 130 degrees. Which of the following tendon transfers is most classically indicated for this specific pattern of deficit?
Correct Answer & Explanation
. Pectoralis major transfer
Explanation
A latissimus dorsi tendon transfer is classically indicated for younger or active patients with a massive, irreparable posterosuperior rotator cuff tear (supraspinatus and infraspinatus) who have loss of active external rotation but an intact subscapularis and preserved deltoid function. Lower trapezius transfer is also an option, but among the choices, latissimus dorsi transfer is the classic, established procedure for this defect.
Question 2516
Topic: Shoulder & Hip Sports
A 25-year-old ice hockey player is diagnosed with Femoroacetabular Impingement (FAI). Radiographs and MRI demonstrate a prominent Cam lesion with an alpha angle of 68 degrees. In this patient, where is the acetabular cartilage delamination most likely to be located?
Correct Answer & Explanation
. Anterosuperior quadrant
Explanation
Cam-type femoroacetabular impingement is caused by an aspherical femoral head-neck junction (high alpha angle) that forcefully enters the acetabulum during flexion and internal rotation. This creates shear forces that classically cause chondral delamination and labral tears in the anterosuperior quadrant of the acetabulum (from 1 to 3 o'clock position).
Question 2517
Topic: Shoulder & Hip Sports
A 45-year-old construction worker presents with chronic anterior shoulder pain and popping. MRI arthrogram reveals a Type II SLAP tear. Non-operative management has failed. Based on current evidence, which surgical intervention provides the most reliable return to work and clinical outcomes for this specific patient profile?
Correct Answer & Explanation
. Arthroscopic SLAP repair using suture anchors
Explanation
In patients older than 40 years, particularly manual laborers or those with degenerative SLAP tears, biceps tenodesis has consistently shown superior clinical outcomes, lower complication rates, and a more reliable return to work compared to arthroscopic SLAP repair, which carries a high risk of postoperative stiffness and persistent pain in this demographic.
Question 2518
Topic: Shoulder & Hip Sports
A 20-year-old baseball pitcher presents with vague posterior shoulder pain during the late cocking phase of throwing. He exhibits a profound Glenohumeral Internal Rotation Deficit (GIRD). MRI arthrogram shows undersurface fraying of the supraspinatus and a posterosuperior labral tear. Which of the following is the primary pathophysiologic mechanism driving this condition (Internal Impingement)?
Internal impingement in overhead throwing athletes is primarily driven by contracture of the posteroinferior capsule. This contracture leads to a Glenohumeral Internal Rotation Deficit (GIRD) and causes a posterosuperior shift of the humeral head during the late cocking phase (maximum abduction and external rotation). This shift pinches the posterosuperior rotator cuff between the greater tuberosity and the posterosuperior glenoid labrum.
Question 2519
Topic: Shoulder & Hip Sports
A 22-year-old collegiate football player undergoes evaluation for recurrent anterior shoulder instability. 3D CT reconstructions reveal 15% glenoid bone loss. An MRI confirms an anterior labral tear and a Hill-Sachs lesion. Applying the 'glenoid track' concept, the Hill-Sachs lesion is calculated to be 'off-track'. Which of the following surgical procedures is most indicated to minimize recurrence while minimizing bone-block morbidity?
Correct Answer & Explanation
. Arthroscopic Bankart repair alone
Explanation
According to the glenoid track paradigm, an 'off-track' Hill-Sachs lesion engages the anterior rim of the glenoid and carries a high risk of recurrent dislocation if treated with a Bankart repair alone. Because the glenoid bone loss is subcritical (<20%), a Latarjet is not strictly mandated. An arthroscopic Bankart repair combined with Remplissage (tenodesis of the infraspinatus/posterior capsule into the humeral defect) effectively converts the lesion to 'on-track' and provides excellent stability.
Question 2520
Topic: Shoulder & Hip Sports
A 25-year-old ice hockey player presents with chronic anterior groin pain exacerbated by hip flexion and internal rotation. Radiographs display a pistol-grip deformity of the proximal femur, and MRI reveals an alpha angle of 65 degrees. Where is the bony pathomorphology primarily located in this condition?
Correct Answer & Explanation
. Anterosuperior femoral head-neck junction
Explanation
The patient has Cam-type femoroacetabular impingement (FAI), characterized by a non-spherical femoral head or decreased head-neck offset (pistol-grip deformity, alpha angle > 50-55 degrees). This extra bone is predominantly located at the anterosuperior aspect of the femoral head-neck junction and engages the anterosuperior acetabular rim during flexion and internal rotation, causing labral and chondral damage.
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