Core: Abdominal and Lower Back Exercises

In a straight arm plank, the hands are positioned under the shoulders. This core exercise builds the abdominals and back muscles.

Step 1

Get into plank position by supporting your body weight on your hands and toes.

Step 2

Hands should be placed directly under your shoulders.

Step 3

Keep your abdominals contracted and your back straight, eyes ahead of you.

Step 4

Hold this position for as long as you can, building up to 1 minute.

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