A computer-generated stick figure is helping the world's fastest woman run even faster. Biomechanics Ralph Mann's software demonstrates the ideal position for every part of Carmelita Jeter's body during a sprint. The technology lets Jeter and her coach, John Smith, see and fix tiny imperfections that may mean the difference between a great sprint and a phenomenal one. Read the article or see more in this series on speed.

"About nine months ago my husband was diagnosed with Lymphoma and Leukemia. For a few weeks I ate everything that wasn't nailed down! Then my husband spoke up and said to stop: I couldn't eat him well! The next week I walked into CrossFit Modesto to check it out. I already belonged to a gym and had a personal trainer, but I needed something different. From the very first day, I felt at home at CFM and I was addicted. Mike and Denise, all of the staff and my classmates have been wonderful and so supportive of my fitness goals and me. The workouts are very empowering and go a long way in relieving some of the stress of my daily life. I am down almost 50 pounds and feel so much better about myself. Now my husband calls me "Body by CrossFit!" -- Kathy Humrichouse of CrossFit Modesto (CA)
” DT “
5 Rounds For Time:
12 Deadlifts
9 Hang Power Cleans
6 Jerks
Men’s weight: 155
Women’s weight: 105
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Tag(s): Workout of the Day