1. So as volume declines, workout intensity specific to the event increases. ѵ�����½�����Ա�����ѵ��ǿ�Ⱦ�Ҫ�Ӵ�
2. Overdoing a workout or week of training is likely to cause excessive fatigue, illness, burnout, or injury. ���ֵĸ�ǿ��ѵ������ѵ�����ܻ�������ȵ�ƣ�ͣ����������������ˡ�
3. Exercise helps you sustain high energy levels for working, even if you can only do a 30 minute power workout. �˶��������㱣�ָ�����ˮƽ��Ͷ�빤���У���ʹÿ��30���ӵ��˶�Ҳ���а�����
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n.
1. the activity of exerting your muscles in various ways to keep fit