![]() ![]() The Brzycki 1-RM prediction equation has been commonly used in estimating 1-RM, from a maximal repetition test (or 5-8 RM test). Validity of this estimation method has been established in measuring muscle strength in exercises such as the bench press, squat, dead lift, triceps press, bicep curl, leg press, hip flexion, hip extension, hip abduction, hip adduction, plantar flexion, and dorsiflexion. The procedures for 1-RM estimation have been described in the literature. Thus in clinical situations of muscle strength testing in low fitness profile subjects, estimation of the 1-RM method is preferred to actual 1-RM testing. Braith et al suggested that actual 1-RM muscle strength testing may be contraindicated in individuals who have no previous lifting experience. Though actual 1-RM testing is the most reliable test for evaluating the maximal dynamic strength of a muscle or group of muscles, untrained subjects are not always able to reach their 1-RM. ![]() The 1-RM method, requires relatively inexpensive non-laboratory equipment. A comparatively simple alternative method, the one repetition maximum (1-RM) determination, has gained acceptance as the gold standard for assessing muscle strength. An actual determination of muscle strength in the laboratory situations includes the use of an isometric dynamometer and isokinetic dynamometers which require sophisticated equipment and trained personnel. Since ST increases muscle force production resulting in an increase in muscle strength, assessing changes in muscular strength in response to an intervention in people with health conditions is clinically important. Strength training (ST) has been shown to be of great value in preventing and managing diseases and promoting health. ![]()
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