Wallingford, a psychology student at Laurentian University, ran 8:25.05 to break Vaughn Johnston’s 50-year-old 3,000-metre indoor track record (8:26.7) at the McGill Team Challenge in Montreal, Jan.

In the creation of an interlocking nail for the tibia, precise steps ensure successful insertion and stability. The nail is connected to an insertion handle via a nail extension. It is then guided ...