Emma Maria Mazzenga likes to win. She once dislocated her shoulder during a race in Germany when she threw herself ahead of a competitor at the finish line. “The woman next to me was about to overtake ...
Emma Maria Mazzenga is an elite sprinter, and at 92, has few competitors. Photo: Claudia Gori/For The Washington Post Emma Maria Mazzenga likes to win. She once dislocated her shoulder during a race ...
Muscle contraction is the tightening, shortening, or lengthening of muscles when you do some activity. It can happen when you hold or pick up something, or when you stretch or exercise with weights.
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