MIDLINE:
4 Rounds Not For Time:
1 Mile Assault Bike
25 Ab Mat Sit-ups

Notes: The standard sit-up uses an AbMat. Placing the AbMat under the lumbar curve allows for a contraction of the abdominal muscles from full extension (when spine is arched or extended 15-30 degrees) to full flexion (when the lower back comes off the floor and spine is about 30 degrees from the floor).