Free weights do not produce more injuries, compared to machines (Ralph et al. 1993).
Weightlifting injuries are lower than those sustained in other sports (Hamill 1994, Stone 1990, Stone et al. 1993).
Rhea (2003) suggests there is no practical difference in injury rate between using free weights or machines in healthy adults.
Requa RK, DeAvilla LN, Garrick JG. (1993) Injuries in recreational adult fitness activities. Am J Sports Med, 21(3):461-7.
Injuries sustained during weightlifting training and weightlifting competition are substantially lower than injuries incurred from other sports such as football, gymnastics, or basketball.
Stone MH (1990). Muscle conditioning and muscle injuries. Med Sci Sports Exerc. 22(4):457-462.
HEPELS, Appalachian State University, Boone, NC 28608.
Empirical and objective data suggest that muscle and connective tissue can undergo adaptations to physical training resulting in greater tissue mass and increased maximum tensile strength. These adaptations are especially apparent as a result of load bearing and resistive training. Furthermore, information is presented suggesting that pre-conditioning and in-season muscle conditioning, especially strength training, reduce injuries among athletes. Additionally, a theoretical model of training, "periodization", is offered as a method of increasing performance to maximum or optimal values while reducing overtraining and injury potential. Periodization of training can reduce overtraining potential and injury potential while optimizing performance by variation of volume, intensity, and exercise selection during a training program.
PMID: 2205781 [PubMed - indexed for MEDLINE]
In college football players, time lost from injuries during weight training amounted to 1% of the time lost from injuries during football participation.
Zemper ED (1990). Four-year study of weight-room injuries in a national sample of college football teams. N atl Strength Cond Assoc J. 12(3):32-34.
Will actually look up and post the rest of the abstracts later.
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