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Darren L. Johnson, MD

Johnson is a professor of orthopedic surgery and chief of sports medicine at the UK Health Care.

Most recent by Darren L. Johnson, MD

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December 12, 2023
1 min read
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Re-revision ACL reconstruction may impact return to sport level

According to published results, patients who underwent re-revision ACL reconstruction had low rates of return to sport at their pre-injury level despite improvements in stability and patient-reported outcomes.

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March 10, 2017
8 min read
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Medial meniscal root tears: Fix it or leave it alone

Medial and lateral menisci are crescent-shaped fibrocartilage structures that provide joint congruity, stabilization and lubrication and act as “shock absorbers” for joint preservation. During weight-bearing activities, the menisci dissipate axial loads and contain hoop stresses. The medial meniscus transmits approximately 50% of the total joint load of the knee medial compartment, thus protecting the articular cartilage from excessive force.