Tag: Strength Training
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Can You Change Your Somatotype? A Constrained-System View
Somatotype gets treated as a fixed label, but the Heath-Carter equations describe a constrained system. Height and bone breadth are locked; fat, muscle, and weight aren’t. A look at which inputs can actually move, by how much, and how fast — and why ectomorphy is the axis you don’t control directly.
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Reps in reserve
Reps in reserve is the strength-training cousin of Borg’s perceived exertion scale, applied per set rather than per session. Unlike the other measurement instruments in this series, RIR has no single inventor — it came from a coach in 2008, a research group in 2012, and another in 2016. A history of how a powerlifting…