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Sports Medicine
intermediate
X-Type

Lateral Ankle Instability

Ankle Disorders

A 25-year-old basketball player presents with recurrent right ankle sprains. He has had 8 "rolling" episodes over the past 3 years since an initial severe inversion injury. He reports giving way during cutting maneuvers. Examination reveals positive anterior drawer test, positive talar tilt test, and peroneal weakness. He has failed 6 months of physical therapy including proprioceptive training and bracing. MRI shows attenuated ATFL and CFL. Regarding lateral ankle instability:

Mark each as TRUE or FALSE

A

Lateral ankle sprains are the most common sports injury; the ATFL is injured most commonly (isolated...

B

Chronic lateral ankle instability develops in 10-30% of patients after acute sprains; it can be mech...

C

Acute ankle sprains always lead to chronic instability; the PTFL is most commonly injured; the mecha...

D

Conservative treatment includes proprioceptive training, peroneal strengthening, bracing, and activi...

E

Anatomic reconstruction using tendon graft (hamstring, peroneus longus, allograft) is used when tiss...

Answer the questions to see explanations

Click T (True) or F (False) for each option