What is Tommy John Surgery? UCL reconstruction is a surgery commonly used to repair a torn ulnar collateral ligament inside the elbow by replacing it with a tendon from elsewhere in the body. The goal ...

The 1980 eruption of Mt. St. Helens — which began with a series of small earthquakes in mid-March and peaked with a cataclysmic flank collapse, avalanche, and explosion on May 18 — was not the largest ...