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Sorry, this question is for (OBQ18.224) An active 60-year-old woman falls from her attic and presents with the injury in Figure A. She undergoes successful closed reduction and sling immobilization. At follow up, she is unable to move her shoulder. New radiographs are depicted in Figures B and C. What is the next best step? QID: 213120 Continued sling immobilization Closed reduction percutaneous pinning Open reduction internal fixation Reverse total shoulder arthroplasty L 1 A Select Answer to see Preferred Response (OBQ18.141) A 48-year-old male returns to your office 8 months after sustaining a proximal humerus fracture that was successfully treated nonoperatively. However he is still having persistent anterior shoulder/arm pain that worsens with most activities. He has not done any physical therapy nor received a corticosteroid injection. What nerve innervates the structure identified by the red arrow in Figure A, what is its primary function, and where does it originate from? QID: 213037 Subscapular nerves, shoulder internal rotation, ventral scapula Musculocutaneous nerve, forearm pronation, coracoid Axillary nerve, shoulder external rotation, dorsal scapula Musculocutaneous nerve, forearm supination, supraglenoid tubercle Suprascapular nerve, shoulder abduction, dorsal scapula N/A A Select Answer to see Preferred Response (OBQ18.101) A 76-year-old left-handed female presents to your office after a fall with the injury seen in Figure A. When treating this fracture with hemiarthroplasty, which of the following is the most important for a successful outcome? QID: 212997 Anatomic healing of the tuberosities Stem retroversion of 25 degrees Surgical fixation within 24 hours Anterior superior labral repair L 1 A Select Answer to see Preferred Response Sorry, this question is for Sorry, this question is for
Sorry, this question is for (SBQ16SM.2) While snowboarding on the steep slopes in New England, a 56-year-old active right-hand-dominant man falls on his right shoulder and sustains a right proximal humerus fracture. Which of the following fracture characteristics would most directly result in altered rotator cuff biomechanics after closed treatment? QID: 211128 Intact calcar length of 6 mm Greater tuberosity displacement 6 mm Anatomical neck displacement 8 mm Surgical neck displacement 9 mm L 1 A Select Answer to see Preferred Response Sorry, this question is for Sorry, this question is for Sorry, this question is for (OBQ13.194) A 54-year-old woman who is an avid tennis player falls onto her dominant shoulder during a tennis match. Examination reveals tenderness and swelling in the shoulder region, but no neurovascular deficits. Radiographs and CT scan are shown in Figures A through E. Combined cortical thickness is 4.2mm. What is the most appropriate treatment option? QID: 4829 Closed reduction and sling immobilization for 6 weeks Closed reduction and sling immobilization for 2 weeks followed by early active range of motion exercises Open reduction and internal fixation Reverse total shoulder arthroplasty L 2 B Select Answer to see Preferred Response Sorry, this question is for Sorry, this question is for (SBQ12TR.97) A 31-year-old male sustained a displaced proximal humerus fracture after a motor vehicle accident. Which of the following factors has the lowest association with humeral head ischemia in these injuries? QID: 4012 Neck fracture with a long calcar segment Disrupted medial periosteal hinge L 1 B Select Answer to see Preferred Response Sorry, this question is for Sorry, this question is for Sorry, this question is for
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Sorry, this question is for Sorry, this question is for Sorry, this question is for Sorry, this question is for Sorry, this question is for (OBQ11.73) When utilizing the pectoralis major tendon as a reference for restoring humeral height during shoulder hemiarthroplasty, at what level cephalad to the proximal edge of the tendon should the top of the prosthesis sit? QID: 3496 L 3 B Select Answer to see Preferred Response (OBQ11.218) A 73-year-old female presents with persistent right shoulder pain 3 months after undergoing open reduction and internal fixation for a right proximal humerus fracture. Which of the following could have best prevented the complication shown in the current radiograph shown in Figure A? QID: 3641 Insertion of both cortical and locking screws into the humeral head Addition of a 20-gauge intraosseous tension band laterally through the greater tuberosity Treatment of the fracture with closed reduction and percutaneous k-wire fixation Addition of an inferomedial locking screw within the calcar Intramedullary nailing of the fracture L 1 B Select Answer to see Preferred Response (OBQ11.84) A 64-year-old woman is thrown off a horse, sustaining the injury shown in Figures A and B. She undergoes surgical fixation as seen in Figures C through E. What is the most commonly reported complication of this procedure? QID: 3507 Valgus migration of the fracture L 2 B Select Answer to see Preferred Response (OBQ11.230) What structure is 7cm from the acromion and at greatest risk of injury during a deltoid splitting approach for a proximal humerus fracture? QID: 3653 L 1 B Select Answer to see Preferred Response (OBQ11.96) A 46-year-old male is involved in a motor vehicle accident and suffers a proximal humerus fracture. Operative treatment is recommended, and plate fixation is performed through an extended anterolateral acromial approach. Which of the following structures is at increased risk of injury using this surgical exposure compared to the deltopectoral approach? QID: 3519 Posterior humeral circumflex artery Anterior humeral circumflex artery L 1 B Select Answer to see Preferred Response (OBQ11.14) A 44-year-old male is struck by a vehicle while riding his bike. In the trauma bay, he complains of right shoulder pain . Upper extremity physical exam reveals no neurologic deficits, and an initial radiograph of the shoulder is shown in Figure A. A CT scan of the shoulder shows 1cm of posterior displacement of the tuberosity fragment. Which of the following is true regarding this injury? QID: 3437 It is usually associated with a posterior shoulder dislocation The subscapularis muscle is the main deforming force Non-operative treatment of this displaced injury results in good long term shoulder function Open reduction and internal fixation is the treatment of choice Associated rotator cuff tears are uncommon L 2 B Select Answer to see Preferred Response Sorry, this question is for (OBQ10.135) A comminuted proximal humerus fracture is treated with a shoulder hemiarthroplasty as shown in Figure A. The superior border of the pectoralis major tendon can be used to determine accurate restoration of which of the following? QID: 3186 Humeral prosthesis height and retroversion Humeral prosthesis offset and retroversion Humeral prosthesis head-neck angle and height Humeral prosthesis stem width and height Humeral prosthesis stem length and retroversion L 2 B Select Answer to see Preferred Response (OBQ10.103) A 78-year-old female falls and sustains the fracture seen in Figure A. Surgical treatment is pursued with open reduction internal fixation with a lateral locking plate. Postoperative radiographs are provided in Figure B. What is the most common complication with this mode of fixation? QID: 3197 L 2 B Select Answer to see Preferred Response Sorry, this question is for Sorry, this question is for Sorry, this question is for Sorry, this question is for Sorry, this question is for Sorry, this question is for (OBQ08.113) A 60-year-old woman is undergoing closed reduction and percutaneous pinning of a proximal humerus fracture. What structure is at greatest risk for injury from the pin marked by the red arrow in Figure A? QID: 499 Anterior branch of the axillary nerve Posterior humeral circumflex artery Long head of the biceps tendon L 1 C Select Answer to see Preferred Response (OBQ07.5) A 45-year-old laborer sustained a fall onto his nondominant shoulder while skiing. His sensation is intact throughout the extremity but he is unable to flex the arm above 90 degrees. A radiograph of his shoulder obtained the next day in the emergency room is shown in Figure A. What is the best treatment option? QID: 666 Sling and swathe for 6 weeks then physical therapy Reverse total shoulder arthroplasty Closed reduction and percutaneous pinning of the greater tuberosity L 1 A Select Answer to see Preferred Response (SBQ07SM.16) A cadaveric study in 1990 established much of the orthopaedic literature on humeral head vascularity for two decades until recent experiments have provided new data. This original study in 1990 concluded that the anterolateral branch of the anterior circumflex artery supplies blood to what aspect of the proximal humerus? QID: 1401 Anterior portion of humeral head Entire humeral head except posteroinferior portion of lesser tuberosity and head Entire humeral head except posteroinferior portion of greater tuberosity and head Entire humeral head except entire greater tuberosity L 1 C Select Answer to see Preferred Response (OBQ06.110) A 69-year-old woman falls while getting out of her car and lands on her right shoulder sustaining a 4-part proximal humerus fracture. She subsequently undergoes surgery to treat the fracture, with immediate postoperative radiographs shown in Figure A. Six months following surgery, she denies shoulder pain, but she is unable to actively raise her hand above her shoulder. Which of the following is the most likely cause of this limitation? QID: 296 Retroversion of the prosthesis Greater tuberosity malunion L 1 C Select Answer to see Preferred Response (OBQ04.271) A 74-year-old female trips over the curb in a parking lot and sustains the shoulder injury shown in Figures A and B. An open reduction and humeral hemiarthroplasty is performed. A postoperative radiograph is provided in Figure C. This patient is most at risk for which of the following complications? QID: 1376 Loss of sensation over the lateral shoulder Reduced shoulder elevation and abduction L 1 C Select Answer to see Preferred Response Which of the following is found on the proximal portion of the humerus?Proximal end. The proximal end of the humerus consists of a head, an anatomical neck and the greater and lesser tubercles.
Which of the following is are located on the proximal aspect of the humerus quizlet?The greater and lesser tubercles are prominences on the proximal humerus separated by the intertubercular (bicipital) groove.
What structure is found on the lateral aspect of the proximal end of the humerus?Located on the lateral side of the proximal humerus is an expanded bony area called the greater tubercle.
What joint is at the proximal end of the humerus?The proximal humerus connects to the shoulder through the glenoid fossa of the scapula, forming the glenohumeral joint. The distal humerus articulates at the elbow to the radius and ulna in the forearm.
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Which of the following is (are) located on the proximal aspect of the humerus?
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