how many minutes should one do before physical activities

It depends on the individual and the specific physical activity. However, a general recommendation is to warm up for 5-10 minutes before engaging in any physical activity. This can include light cardio exercises such as jogging or jumping jacks, as well as dynamic stretches to loosen up the muscles. The warm-up helps increase blood flow, oxygen delivery, and body temperature, preparing the body for more intense movements and reducing the risk of injury.