[header] How to avoid sore muscles [title] Vary your exercise routine. [step] If you perform the same action day after day, then your muscles will grow fatigued and overly tired, instead of strengthening. Mix up your physical activities by doing both cardio and weight training. 
Take a yoga class, do some water exercises, or plan a quick bicycle ride. [substeps] Creating an exercise schedule will help you meet your health goals while adding variety.