When you picture different athletes—marathon runners, gymnasts, and Olympic weightlifters, for example—you likely categorize them instinctively by their height, size, and build. But the differences in ...
Your ACTN3 gene doesn’t guarantee power, but it helps explain it. Whether you carry the RARE Variant or not, fast-twitch muscle is trainable. Lift heavy, move violently, and express the speed written ...
Your DNA might be giving you an edge or could be holding you back. The ACTN3 gene encodes the protein alpha-actinin-3, which is found almost exclusively in fast-twitch muscle fibers. These fibers are ...
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