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Sports, exercise and health science (SEHS)

How Is Hydration Status Measured (Body Weight; Urine Color; Osmolarity)?

Learn how body weight, urine color, and osmolarity assess hydration status in IB SEHS A.2.1, including calculations, limitations, and exam technique.

A.2.2 Fuelling for health and performance

What Is Low Energy Availability (LEA) and RED-S (Relative Energy Deficiency in Sport)?

Learn how low energy availability can cause RED-S, including its health and performance effects, main risk factors, and key distinctions for IB SEHS exam responses.

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Every question IB students actually ask.

Sports, exercise and health science (SEHS)

How Is Hydration Status Measured (Body Weight; Urine Color; Osmolarity)?

What Is Low Energy Availability (LEA) and RED-S (Relative Energy Deficiency in Sport)?

MYP Subjects

Sports, exercise and health science (SEHS)

How Is Hydration Status Measured (Body Weight; Urine Color; Osmolarity)?

What Is Low Energy Availability (LEA) and RED-S (Relative Energy Deficiency in Sport)?

How Should Athletes Fuel Before and During Exercise?

What Is Cardiovascular Drift and What Causes It?

What Roles Do Iron, Calcium, Sodium, and Potassium Play in Performance?

What Are Macronutrients and How Do They Provide Energy?

Which Energy System Dominates at Rest vs During High-Intensity Exercise?

What Do Vitamins Do in the Body?

What Is the Gut Microbiome and How Does It Affect Performance?

What Are the Phosphagen, Glycolytic, and Oxidative Energy Systems?

How Does VO2 Max Relate to Endurance Performance?

What Is Excess Post-Exercise Oxygen Consumption (EPOC)?

What Is VO2 Max and What Factors Influence It?

What Is the Lactate Inflection Point?

Why Do Some People Respond Better to Training Than Others (Responders vs Non-Responders)?

What Are the Principles of Training (Specificity; Progressive Overload; Reversibility; Periodization)?

What's the Difference Between Fast and Slow EPOC?

What’s the Difference Between a Macrocycle, Mesocycle, and Microcycle?

What's the Difference Between Overreaching and Overtraining?

How Does the Menstrual Cycle Affect Training Design?

What Health Risks Does Physical Activity Reduce (Osteoporosis, Hypertension, and Type 2 Diabetes)?

How Should Exercise Prescription Differ for Children, Older Adults, and Pregnant Individuals? (HL)

What Are the Physiological, Symptomatic, and Psychological Signs of Recovery?

How Does Physical Activity Affect the Immune System?