strength-training for mature athletes | prediction equations
Strength-training For Mature Athletes: Using prediction equations to determine 1RM for strength-training older adults
One form of exercise that is becoming increasingly popular with the older generation is strength training. Recent research and training studies have shown that high-resistance exercises have provided substantial strength gains in older adults. However, this means that proper evaluation of 1RM (the amount of weight that can be lifted for one repetition) is becoming increasingly important when attempting to establish training loads. Unless the individual is confident or medically fit to lift maximal loads, a prediction equation for determining 1RM must be used. A number of these currently exist, and recently a team of researchers at Western Washington University set out to determine the validity of 1RM equations for older adults (K.M. Kutzen, L.R. Brilla & D. Caine, 'Validity of 1RM prediction equations for older adults'. The Journal of Strength and Conditioning Research, Vol. 13, No. 3, August 1999).
The researchers concluded that the use of prediction equations to determine 1RM was a useful tool for professionals working with clients in this age group. They felt that a 7-10 repetition measurement for predicting 1RM could easily be included in a training programme and could be used to quickly establish training loads. Of the six prediction equations tested, no one equation consistently outperformed the others in terms of accuracy or strength of prediction. The study team also recommended that future research should attempt to establish population-specific prediction equations.
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