The term training refers to the acquisition of knowledge, skills, and competencies as a result of the teaching of vocational or practical skills and knowledge that relate to specific useful competencies. Training has specific goals of improving one's capability, capacity, and performance. It forms the core of apprenticeships and provides the backbone of content at institutes of technology (also known as technical colleges or polytechnics). In addition to the basic training required for a trade, occupation or profession, observers of the labor-market^[who?] recognize as of 2008^[update] the need to continue training beyond initial qualifications: to maintain, upgrade and update skills throughout working life. People within many professions and occupations may refer to this sort of training as professional development.

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Physical training concentrates on mechanistic goals: training-programs in this area develop specific skills or muscles, often with a view to peaking at a particular time. Some physical training programs focus on raising overall physical fitness.

The Honourable Usain St. Leo Bolt, OJ, C.D. ( /ˈjuːseɪn/; born 21 August 1986), is a Jamaican sprinter and a five-time World and three-time Olympic gold medalist. He is the world record and Olympic record holder in the 100 metres, the 200 metres and (along with his teammates) the 4×100 metres relay. He is the reigning Olympic champion in these three events, and is one of only seven athletes (along with Valerie Adams, Veronica Campbell-Brown, Jacques Freitag, Yelena Isinbayeva, Jana Pittman, Dani Samuels) to win world championships at the youth, junior, and senior level of an athletic event.

Bolt won a 200 m gold medal at the 2002 World Junior Championships, making him the competition's youngest-ever gold medalist at the time (since surpassed by Jacko Gill). In 2004, at the CARIFTA Games, he became the first junior sprinter to run the 200 m in less than 20 seconds with a time of 19.93 s, breaking the previous world junior record held by Roy Martin by two-tenths of a second. He turned professional in 2004, and although he competed at the 2004 Summer Olympics, he missed most of the next two seasons due to injuries. In 2007, he broke Don Quarrie's 200 m Jamaican record with a run of 19.75 s.

Arnold Alois Schwarzenegger ( /ˈʃwɔrtsənɛɡər/; German: [ˈaɐnɔlt ˈalɔʏs ˈʃvaɐtsənˌʔɛɡɐ]; born July 30, 1947) is an Austrian and American former professional bodybuilder, actor, businessman, investor, and politician. Schwarzenegger served as the 38th Governor of California from 2003 until 2011.

Schwarzenegger began to weight train at the age of 15 years old. He was awarded the title of Mr. Universe at age 20 and went on to win the Mr. Olympia contest seven times. Schwarzenegger has remained a prominent presence in the sport of bodybuilding and he has written several books and numerous articles on the sport. Schwarzenegger gained worldwide fame as a Hollywood action film icon. He was nicknamed the "Austrian Oak" and the "Styrian Oak" in his bodybuilding days, "Arnie" during his acting career and more recently the "Governator" (from "Governor" and "Terminator").

As a Republican, he was first elected on October 7, 2003, in a special recall election to replace then-Governor Gray Davis. Schwarzenegger was sworn in on November 17, 2003, to serve the remainder of Davis's term. Schwarzenegger was then re-elected on November 7, 2006, in California's 2006 gubernatorial election, to serve a full term as governor, defeating Democrat Phil Angelides, who was California State Treasurer at the time. Schwarzenegger was sworn in for his second term on January 5, 2007.

Floyd Joy Mayweather, Jr. (born Floyd Sinclair; February 24, 1977) is an American professional boxer. He is a five-division world champion, where he has won eight world titles, as well as the Lineal Championship in three different weight classes. He is a two-time The Ring "Fighter of the Year," winning the award in 1998 and 2007 also won the Boxing Writers Association of America (BWAA) "Fighter of the Year" award in 2007 and Best Fighter ESPY Award 2007, 2008 and 2010. He is undefeated as a professional boxer.

Currently, Mayweather is the WBC Welterweight Champion,WBA (Super) Light Middleweight Champion and recipient of the WBC Diamond belt. He is also rated as the best pound for pound boxer in the world by most sporting news and boxing websites, including Sports Illustrated, ESPN, BoxRec, Fox Sports, Yahoo! Sports and About.com.

Mayweather was born in Grand Rapids, Mich., into a family of boxers. His father, Floyd Mayweather Sr., was a former welterweight contender who fought Hall of Famer Sugar Ray Leonard and his uncles, Jeff Mayweather and Roger Mayweather, were all professional boxers, with Roger – Floyd’s current trainer – winning two world championships. Mayweather was born with his mother's last name, but his last name would change to Mayweather shortly thereafter.

Terrence Alan "Terry" Crews (born July 30, 1968) is an American actor, comedian, voice artist and a former player in the National Football League. He is perhaps best known for his role as family patriarch Julius on the UPN/CW sitcom Everybody Hates Chris. Currently, he stars in the TBS sitcom Are We There Yet? as Nick Kingston-Persons. Additionally, he stars in the BET reality series The Family Crews, and has appeared in such films as The 6th Day, Friday After Next, White Chicks, Idiocracy and The Expendables.

In 2010 Crews was featured in several Old Spice TV commercials for their "Odor Blocker Body Wash", and in 2012 for their body spray, directed by Tim Heidecker and Eric Wareheim.

Crews was born in Flint, Michigan, the son of Patricia and Terry Crews, Sr. He attended Flint Southwestern Academy. He earned an Art Excellence Scholarship to attend the Interlochen Center for the Arts and then Western Michigan University.

While completing his studies as hop an Art major, Crews was a key member of the WMU football team, where he earned all-conference honors as a defensive end. Crews was drafted by the Los Angeles Rams of the NFL in the 11th round of the 1991 NFL Draft. He carved out a career that lasted seven seasons, including stints with the Rams, San Diego Chargers, the Washington Redskins and the Philadelphia Eagles.