Below is a short excerpt from an online article which quoted some research from myself, Craig Pickering and John Kiely.
Even for those of us who love endurance above all else, there’s something about sprinting. Your top speed can win or lose races, and can also serve as an indirect marker of muscle and tendon properties that affect how efficiently you run even at lower speeds. It determines whether you catch that bus, return that passing shot, and, eventually, get out of that armchair. Many of the challenges of daily living, once you hit your 70s and 80s and beyond, are essentially tests of all-out power rather than sustained endurance (though both are important).
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