What fitness component is defined by the range of motion around joints?

• A. Cardiorespiratory Endurance
• B. Flexibility
• C. Muscle Strength
• D. Body Composition

Answer: (B)

Flexibility is the range of motion around a joint. It describes how far a joint can move through its full movement, which depends on the length and elasticity of muscles and the surrounding connective tissues. Being flexible helps with daily activities like reaching or bending and can improve athletic performance and reduce injury risk. Regular stretching and mobility work tend to enhance this component by maintaining or increasing joint range of motion. In contrast, cardiorespiratory endurance measures heart and lung efficiency during sustained activity, muscle strength is about how much force a muscle can produce, and body composition reflects the ratio of fat to lean mass. So the description fits flexibility best.