Weightlifting (or weight training) is a common type of strength training for developing the strength and size of skeletal muscles. It uses the weight force of gravity (in the form of weighted bars, dumbbells or weight stacks) to oppose the force generated by muscle through concentric or eccentric contraction. Weight training uses a variety of specialized equipment to target specific muscle groups and types of movement. Other sports often use strength training as part of their athletic training regimen, notably: American football, baseball, basketball, football, hockey, lacrosse, mixed martial arts, rowing, rugby league, rugby union, track and field, boxing and wrestling; medicinally it is used in sports medicine and physical therapy.
- Everybody wants to be a bodybuilder, but nobody wants to lift no heavy ass weights.
- Ronnie Coleman, Ronnie Coleman: The Unbelievable! (2005) (DVD).
- The giant female bodybuilder proves unthinking people wrong who believe feminine beauty can never be harmonious with well developed musculature.
- The Iron never lies to you... The iron will always kick you the real deal. The Iron is the real deal. The iron is the great reference point, the all-knowing perspective giver. Always there like a beacon in the pitch black. I have found the Iron to be my greatest friend. It never freaks out on me, never runs. Friends may come and go. But two hundred pounds is always two hundred pounds.
- Henry Rollins, Details Magazine, (January 1993).