Assessing the effect of equipment, Lander et al. (1990) explored rectus abdominis muscle activity during back squats with or without two types of weightlifting belt, with 90 % of 1RM. (strengthandconditioningresearch.com)
The next year, he won the gold medal in weightlifting in the super-heavyweight class at the Olympic Games in Australia. (fitnessandpower.com)
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