Cardio is an important part of the exercise routine and you should always start with this. You can opt for about 45 minutes of cardio and then go into strength training. Over the period of 12 weeks you might not work out everyday so you should try to maintain a limit of around 45 minutes of cardio per workout and you can tweak your schedule slightly depending on what you need at the moment. Try not to overdo cardio and stick to running, rowing and skipping exercises during this period. Swimming is also another good form of cardio that you can opt for.
Hi Neha, Can you be more specific like: What type of cardio exercise are you planning to do ? i.e. walking, running, skipping, cycling, swimming etc. ; What is your prime goal ? to lose weight or to improve cardiovascular endurance or to maintain fitness level etc.; Are you a beginner ? along with this your current fitness level also need to considered.
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