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Aug 27, 2020 at 19:13 history bounty ended Zheer
Aug 27, 2020 at 9:28 vote accept Zheer
Aug 26, 2020 at 23:42 comment added POD @Zheer: However, whilst isotonic predictive tests of one-repetition maximum are inaccurate, there does remain a very good correlation between low-repetition performances (perhaps up to 8 repetitions, for example) and the one-repetition maximum. The same can not be said of isometric holds. It is quite possible to treble the length of a submaximal-load static hold through training without any significant increase in maximum strength. In fact, I have personally observed its going the other way! Isometric strength-endurance is an entirely different physical skill.
Aug 26, 2020 at 23:31 comment added POD @Zheer: Similarly, higher-repetitions will tend to yield less accurate predictions, due to those aforementioned influences. These formulae are necessarily just general guidelines. The only way to assess a one-repetition maximum accurately is to test it directly. And, contrary to the common belief, there is absolutely no danger in doing so for healthy individuals, regardless of their experience.
Aug 26, 2020 at 23:29 comment added POD @Zheer: Good question. No, they are not fake, but they do inherently contain a certain degree of inaccuracy, based upon (1) one's relative dominance of fast- and slow-twitch muscle fibres, (2) one's training history, and (3) the number of repetitions being predicted. Individuals with a greater or lesser dominance of fast- and slow-twitch muscle fibres relative to the average, and those whose training has been more power or endurance orientated than average will tend to fall short or long, respectively, of the predictions.
Aug 26, 2020 at 20:51 comment added Zheer "This rapid cycle of negative and positive accelerations, respectively, demands that we produce forces far greater than the relevant component of our body weight" there are some websites that use a formula to calculate one rep max based on your repititions, does that mean that they are fake or inaccurate?
Aug 25, 2020 at 16:29 history edited POD CC BY-SA 4.0
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Aug 25, 2020 at 14:51 history edited POD CC BY-SA 4.0
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Aug 25, 2020 at 10:41 history answered POD CC BY-SA 4.0