Which of the following best explains why having a physically active job does not necessarily guarantee better physical fitness?

• A. All physical activity, regardless of type or intensity, leads to improved physical fitness.
• B. Physical activity at work is often repetitive and may not provide the intensity or variety needed to improve overall fitness.
• C. Physically active jobs always include structured exercise routines that enhance fitness.
• D. Only sedentary jobs can negatively impact physical fitness.

Answer: (B)

Verified step by step guidance

1. Step 1: Understand the concept of physical fitness, which generally includes components such as cardiovascular endurance, muscular strength, flexibility, and body composition.
2. Step 2: Recognize that not all physical activity contributes equally to improving these components; the intensity, variety, and structure of the activity matter.
3. Step 3: Analyze why physically active jobs might not improve fitness: such jobs often involve repetitive, low-intensity movements that do not challenge the body sufficiently to cause fitness improvements.
4. Step 4: Compare this with structured exercise routines, which are designed to target different fitness components through varied and progressively challenging activities.
5. Step 5: Conclude that simply being physically active at work does not guarantee better fitness because the activity may lack the necessary intensity, variety, and progression needed for fitness gains.