Top seven workouts for beginners
Sit-ups engage the muscles in the midsection of the torso and are an effective way to enhance the core region of the body. They are a muscle building exercise designed to improve and define your abdominal region. These are performed by putting your feet under a bar or having someone hold them. Using the abdominal muscles, lift up and touch your elbows to or past your knees.

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Photo by: Airman 1st Class Dillon J. Audit  |  VIRIN: 180730-F-DJ826-0164.JPG