One of the best things about planks is that they are easy to modify according to your fitness level. One thing you should never do, however, is look up.
While more exercise might sometimes seem good, that does not mean that a little is bad -- especially when it comes to the effect exercise has on your brain.
Whether you want to smash a record of your own, or are simply looking to get more fit overall, this is what actually happens when you do burpees every day.
Whether you prefer running or swimming as a means of squeezing exercise into your schedule, you can't lose. Science says both have long-term health benefits.
When you show up for your first boxing class, expect conditioning exercises on top of boxing-specific drills that will require focus and concentration.