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Age adjustments for lifting weights: comparisons and 1RM

Inspired by a WTC2021 talk about Wolfram|Alpha's support for strength training, I have now updated an old Mathematica notebook that I use for computing age adjustment of lifted weights and the number of repetitions.
POSTED BY: Hakan Kjellerstrand
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(Thanks for the Staff Pick!)

As mentioned above, one other relevant issue is body weight (and gender). There is actually a formula for comparing lifts done with different body weights and gender: Sinclair's Bodyweight Correction formula. However, I don't use this as much as the age adjusted weights.

The attached notebook give some examples how this works.

POSTED BY: Hakan Kjellerstrand

Very good work Hakan, I see this has the potential to be the base for 1RM calculator with user interface. Thank you for sharing and for the super clear Q&A. examples.
POSTED BY: Ahmed Elbanna

Thanks, Ahmed.

I hope that this would be of some help for a nice Wolfram|Alpha app with age adjustments. Perhaps also include the feature of comparing two lifters?

Best,

Hakan
POSTED BY: Hakan Kjellerstrand

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