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Weightlifter Behdad Salimikordasiabi of Iran competes in China, likely groaning and grunting as he presses. But is that yelling appropriate at the gym?

Weightlifter Behdad Salimikordasiabi of Iran competes in China, likely groaning and grunting as he presses. But is that appropriate at the gym? Lintao Zhang / Getty Images
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