Physical training alters the appearance of skeletal muscles and can produce changes in muscle performance. Conversely, a lack of use can result in decreased performance and muscle appearance. This site helps students understand exercise...

View a gallery of 27 photos, many of which were never published in LIFE magazine at the time, from a series of protests and sit-ins in Petersburg, Virginia, in May 1960. These photos also capture some of the unusual training methods that...

Rene Richard was a native of Switzerland who worked as a trapper and hunter to avoid the hardships of farming life that his family endured. He came to appreciate Alberta's north and went to France to train as an artist. When he returned,...