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5-Minute Core-Strengthening Workout For Runners
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Runner's Crunch

  • Lying flat on your back, rest your elbows at a 90-degree angle on the floor. Keep your legs extended out in front of you.
  • With your core engaged, roll up by bringing your shoulders off the ground, followed by each vertebra until your lower back is off the floor.
  • At the top of your roll-up, bring your right knee up to meet your left elbow.
  • With control, as you straighten your leg, slowly peel your back down, vertebra by vertebra, until your shoulders are the last to touch the floor.
  • Continue alternating sides for one minute.
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