We did this quick 10-minute bodyweight core workout as a warmup before a recent cardio-focused CrossFit class, and it totally fired up my abs and arms. Level 1 CrossFit Coach Sefton Hirsch with Champlain Valley CrossFit said, “It’s a great way to get your body warmed up with low impact, and focuses on all the core muscles.” Sefton added, “These movements are great for people who work at a desk, helping to strengthen the core that becomes weak from sitting in a chair.” Although there are just five moves in this 10-minute workout, you hold them for 60 seconds, so it’s challenging both physically and mentally. Why 60 seconds? Sefton explained that 60 seconds offers a good amount of time to really get the blood moving. If it’s too hard (and 60 seconds is hard for many people, especially beginners), he said to take a quick break and then get back into the hold. I’ve been doing this 10-minute core workout at home a couple times a week and love that it’s quick and effective. Having a strong core has not only helped me prevent injury when in CrossFit, but it’s also helped me feel more powerful when running and more stable when...