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Exercise and Pregnancy. Developing fetus has a need for proper caloric intake, nutrients, and a stable environment Physician exam prior to exercise is a must. Absolute Contraindications for Aerobic Exercise During Pregnancy Significant Heart Disease Restrictive Lung Disease
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Developing fetus has a need for proper caloric intake, nutrients, and a stable environment • Physician exam prior to exercise is a must
Absolute Contraindications for Aerobic Exercise During Pregnancy • Significant Heart Disease • Restrictive Lung Disease • Incompetent Cervix • Persistant 2nd or 3rd trimester bleeding • Premature Labor during current pregnancy • Multiple pregnancy • Pregnancy induced hypertension
Relative Contraindications • Anemia • Obesity or underweight (BMI < 12) • Chronic Bronchitis • Poorly Controlled Type I diabetes • Very low pre-pregnancy fitness level • Heavy smoker • Orthopedic Limitations
CV and Metabolic Adaptations to Pregnancy • Blood volume ↑ • vO2 at rest and submax ↑ • ↑ vO2 of weight bearing exercise • HR at rest and submax ↑ • Cardiac output adaptations
Moderate exercise responses • O2 delivery • Fetal HR responses
Exercise Programming • Non-wt bearing modes • Moderate ambient conditions • Hydration • HR- vO2 relationship