Aviation expert Geoffrey Thomas explains what may have caused one of the deadliest airline disasters in years. Photo: AFP/Getty Images SEOUL—At 8:57 a.m. on Sunday, the control tower at South ...

"What's the point of being loyal to this airline anymore, truly," the disgruntled passenger wrote on Reddit Bailey Richards is a writer-reporter at PEOPLE. She has been working at PEOPLE since ...

Then, the subject had to fully extend the knee while keeping the foot perpendicular to the lower leg. After, the subject performed maximal plantarflexion of the ankle, followed by maximal dorsiflexion ...