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What physical condition can prolonged sitting lead to?

  1. Increased cardiovascular endurance

  2. Heightened muscle tension

  3. Decreased joint mobility

  4. Enhanced flexibility

The correct answer is: Decreased joint mobility

Prolonged sitting can lead to decreased joint mobility, which is the correct answer. When individuals remain seated for extended periods, especially in a fixed position, the joints may become stiff and less flexible over time. This lack of movement can result in reduced ranges of motion in the hips, lower back, and other areas, making it more difficult to perform everyday activities and engage in physical exercise. In contrast, prolonged sitting does not promote increased cardiovascular endurance, as staying sedentary typically leads to a decline in cardiovascular fitness levels rather than improvement. Heightened muscle tension can occur as a result of poor posture during prolonged sitting, but it is more of a secondary effect rather than a direct condition that results from it. Enhanced flexibility is unlikely to be a result of sitting for long periods, as flexibility is typically improved through active stretching and movement rather than inactivity. Therefore, decreased joint mobility best captures the adverse effects of prolonged sitting.