Ankle Fracture: What Your Injured Ankle Needs to Heal

Q: What is the most common cause of clavicle fractures?
1. A) Fall on an outstretched hand
2. B) Direct blow to the shoulder
3. C) Birth trauma
4. D) Sports injury
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Correct answer: B
Explanation: Clavicle fractures account for approximately 2.6% of all fractures and for 44% to 66% of fractures about the shoulder. Middle third fractures account for 80% of all clavicle fractures, whereas fractures of the distal third account for 15% and those of the medial third for 5%. The most common cause of clavicle fractures is a direct blow to the shoulder, usually from a fall or a collision.
Q: What is the most common type of elbow fracture in children?
1. A) Supracondylar fracture
2. B) Lateral condyle fracture
3. C) Radial head fracture
4. D) Olecranon fracture
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Correct answer: A
Explanation: Elbow fractures represent 8% to 9% of all upper extremity fractures in children. Of all elbow fractures, 85% occur at the distal humerus; 55% to 75% of these are supracondylar. Most occur in children between 5 and 10 years of age.
Q: What is the most common site of physeal injury in the ankle?
1. A) Distal tibia
2. B) Distal fibula
3. C) Talus
4. D) Calcaneus
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Correct answer: B
Explanation: Ankle injuries account for up to 18% of all physeal injuries; they are third in frequency following phalangeal and distal radius physeal injuries. Fifty-eight percent of ankle physeal injuries occur at the distal fibula, followed by distal tibia (25%), talus (9%), and calcaneus (8%).