A–Z Glossary

cardiac preload

The amount of blood filling the heart before it pumps, which can fall when back-lying compresses blood vessels.

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Exercises to avoid during pregnancy

Exercises to avoid during pregnancy

Why some workouts become less suitable in pregnancy Pregnancy changes several systems that matter for exercise safety. The center of gravity shifts forward, joints may feel less stable because of hormonal effects on connective tissue, and many people fatigue sooner than they did before conception. None of that means exercise should stop; it means the […]