WEBVTT

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Mhm . The knee lifts strengthens your

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lower abdominal muscles , helping you

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keep your pelvis and back stable . Lie

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on the floor with both knees bent . Put

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your feet flat on the floor and your

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arms by your sides tighten your

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abdominal muscles , Lift one Bent knee

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and move it towards your upper body .

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Make sure you tighten your abdominal

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muscles before you lift your knee and

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keep your abdominal muscles tight in

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your back flat on the floor . Hold for

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10 seconds , repeat three times , then

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switch legs .